├── .gitignore ├── Exp1 ├── 0_实验准备 MySQL安装.pdf ├── 190110105_许峻玮_数据库实验一报告.docx ├── 190110105_许峻玮_数据库实验一报告.pdf ├── 1_实验一 MySQL关系数据库管理系统及SQL语言的使用.pdf ├── 2_实验一 MySQL关系数据库管理系统及SQL语言的使用(2021秋PPT).pdf ├── exp1.sql └── sakila-db │ ├── sakila-data.sql │ ├── sakila-schema.sql │ └── sakila.mwb ├── Exp2 ├── 190110105_许峻玮_数据库实验二报告.docx ├── 190110105_许峻玮_数据库实验二报告.pdf ├── 1_实验二 高级SQL语言实验.pdf ├── 2_实验二 高级SQL语言的使用(2021秋PPT).pdf └── exp2.sql ├── Exp3 ├── 190110105_许峻玮_数据库实验四报告.docx ├── 3.实验三 数据库设计实验指导书.pdf ├── 3_实验三 数据库设计（2021秋PPT）.pdf ├── 4-实验四 小型系统的设计与实现（2021秋PPT）.pdf └── 4.实验四 小型系统的设计与实现实验指导书.pdf ├── Exp4 ├── 190110105_许峻玮_数据库实验四报告.pdf ├── Design │ ├── db.xmind │ ├── sql.sql │ ├── 校园食堂点餐系统.png │ ├── 食堂管理系统_cdm.cdm │ ├── 食堂管理系统_ldm.ldm │ └── 食堂管理系统_pdm.pdm └── Exp3_4 │ ├── .idea │ ├── .gitignore │ ├── Exp3_4.iml │ ├── dataSources.xml │ ├── inspectionProfiles │ │ ├── Project_Default.xml │ │ └── profiles_settings.xml │ ├── misc.xml │ ├── modules.xml │ └── sqldialects.xml │ ├── Image │ ├── canteen_1.png │ ├── canteen_2.png │ └── icon.ico │ ├── UI │ ├── AboutWidget.py │ ├── AboutWidget.ui │ ├── AdminHomeWidget.py │ ├── AdminHomeWidget.ui │ ├── AdminMainWindow.py │ ├── AdminMainWindow.ui │ ├── AdminOrderWidget.py │ ├── AdminOrderWidget.ui │ ├── Login.py │ ├── Login.ui │ ├── Register.py │ ├── Register.ui │ ├── UserAllOrderWidget.py │ ├── UserAllOrderWidget.ui │ ├── UserCanteenWidget.py │ ├── UserCanteenWidget.ui │ ├── UserHomePageWidget.py │ ├── UserHomePageWidget.ui │ ├── UserMainWindow.py │ ├── UserMainWindow.ui │ ├── UserOrderDetailWidget.py │ ├── UserOrderDetailWidget.ui │ ├── UserOrderWidget.py │ ├── UserOrderWidget.ui │ └── __init__.py │ ├── Util │ ├── Constants.py │ ├── DbUtil.py │ ├── FuncUtil.py │ └── __init__.py │ ├── Views │ ├── AboutWindow.py │ ├── AdminHomeWindow.py │ ├── AdminMainWindow.py │ ├── AdminOrderWindow.py │ ├── CanteenWindow.py │ ├── LoginWindow.py │ ├── OrderDetailWindow.py │ ├── RegisterWindow.py │ ├── UserAllOrderWindow.py │ ├── UserHomeWindow.py │ ├── UserMainWindow.py │ ├── UserOrderWindow.py │ └── __init__.py │ ├── main.py │ ├── requirements.txt │ └── test.py └── Exp5 ├── .idea ├── .gitignore ├── Exp5.iml ├── encodings.xml ├── inspectionProfiles │ └── Project_Default.xml ├── misc.xml └── modules.xml ├── CMakeLists.txt ├── cmake-build-debug ├── CMakeCache.txt ├── CMakeFiles │ ├── 3.20.2 │ │ ├── CMakeCCompiler.cmake │ │ ├── CMakeDetermineCompilerABI_C.bin │ │ ├── CMakeSystem.cmake │ │ └── CompilerIdC │ │ │ └── CMakeCCompilerId.c │ ├── CMakeDirectoryInformation.cmake │ ├── CMakeOutput.log │ ├── Makefile.cmake │ ├── Makefile2 │ ├── TargetDirectories.txt │ ├── clion-environment.txt │ ├── clion-log.txt │ ├── cmake.check_cache │ ├── exec.dir │ │ ├── C.includecache │ │ ├── DependInfo.cmake │ │ ├── build.make │ │ ├── cmake_clean.cmake │ │ ├── depend.internal │ │ ├── depend.make │ │ ├── flags.make │ │ ├── link.txt │ │ ├── progress.make │ │ └── solution.c.o │ ├── extmem.dir │ │ ├── C.includecache │ │ ├── DependInfo.cmake │ │ ├── build.make │ │ ├── cmake_clean.cmake │ │ ├── cmake_clean_target.cmake │ │ ├── depend.internal │ │ ├── depend.make │ │ ├── extmem.c.o │ │ ├── flags.make │ │ ├── link.txt │ │ └── progress.make │ └── progress.marks ├── Exp5.cbp ├── Makefile ├── Testing │ └── Temporary │ │ └── LastTest.log ├── cmake_install.cmake ├── exec └── libextmem.a ├── data ├── 1.blk ├── 10.blk ├── 100.blk ├── 101.blk ├── 11.blk ├── 12.blk ├── 13.blk ├── 14.blk ├── 15.blk ├── 16.blk ├── 17.blk ├── 18.blk ├── 19.blk ├── 2.blk ├── 20.blk ├── 200.blk ├── 201.blk ├── 202.blk ├── 203.blk ├── 204.blk ├── 205.blk ├── 206.blk ├── 207.blk ├── 208.blk ├── 209.blk ├── 21.blk ├── 210.blk ├── 211.blk ├── 212.blk ├── 213.blk ├── 214.blk ├── 215.blk ├── 216.blk ├── 217.blk ├── 218.blk ├── 219.blk ├── 22.blk ├── 220.blk ├── 221.blk ├── 222.blk ├── 223.blk ├── 224.blk ├── 225.blk ├── 226.blk ├── 227.blk ├── 228.blk ├── 229.blk ├── 23.blk ├── 230.blk ├── 231.blk ├── 232.blk ├── 233.blk ├── 234.blk ├── 235.blk ├── 236.blk ├── 237.blk ├── 238.blk ├── 239.blk ├── 24.blk ├── 240.blk ├── 241.blk ├── 242.blk ├── 243.blk ├── 244.blk ├── 245.blk ├── 246.blk ├── 247.blk ├── 248.blk ├── 249.blk ├── 25.blk ├── 250.blk ├── 251.blk ├── 252.blk ├── 253.blk ├── 254.blk ├── 255.blk ├── 256.blk ├── 257.blk ├── 258.blk ├── 259.blk ├── 26.blk ├── 260.blk ├── 261.blk ├── 262.blk ├── 263.blk ├── 264.blk ├── 265.blk ├── 266.blk ├── 267.blk ├── 268.blk ├── 269.blk ├── 27.blk ├── 270.blk ├── 271.blk ├── 272.blk ├── 273.blk ├── 274.blk ├── 275.blk ├── 276.blk ├── 277.blk ├── 278.blk ├── 279.blk ├── 28.blk ├── 280.blk ├── 281.blk ├── 282.blk ├── 283.blk ├── 284.blk ├── 285.blk ├── 286.blk ├── 287.blk ├── 288.blk ├── 289.blk ├── 29.blk ├── 290.blk ├── 291.blk ├── 292.blk ├── 293.blk ├── 294.blk ├── 295.blk ├── 296.blk ├── 297.blk ├── 298.blk ├── 299.blk ├── 3.blk ├── 30.blk ├── 301.blk ├── 302.blk ├── 303.blk ├── 304.blk ├── 305.blk ├── 306.blk ├── 307.blk ├── 308.blk ├── 309.blk ├── 31.blk ├── 310.blk ├── 311.blk ├── 312.blk ├── 313.blk ├── 314.blk ├── 315.blk ├── 316.blk ├── 317.blk ├── 318.blk ├── 319.blk ├── 32.blk ├── 320.blk ├── 321.blk ├── 322.blk ├── 323.blk ├── 324.blk ├── 325.blk ├── 326.blk ├── 327.blk ├── 328.blk ├── 329.blk ├── 33.blk ├── 330.blk ├── 331.blk ├── 332.blk ├── 333.blk ├── 334.blk ├── 335.blk ├── 336.blk ├── 337.blk ├── 338.blk ├── 339.blk ├── 34.blk ├── 340.blk ├── 341.blk ├── 342.blk ├── 343.blk ├── 344.blk ├── 345.blk ├── 346.blk ├── 347.blk ├── 348.blk ├── 35.blk ├── 350.blk ├── 351.blk ├── 352.blk ├── 353.blk ├── 354.blk ├── 36.blk ├── 37.blk ├── 38.blk ├── 39.blk ├── 4.blk ├── 40.blk ├── 400.blk ├── 401.blk ├── 41.blk ├── 42.blk ├── 43.blk ├── 44.blk ├── 45.blk ├── 46.blk ├── 47.blk ├── 48.blk ├── 5.blk ├── 500.blk ├── 501.blk ├── 502.blk ├── 503.blk ├── 504.blk ├── 505.blk ├── 506.blk ├── 507.blk ├── 508.blk ├── 509.blk ├── 510.blk ├── 511.blk ├── 512.blk ├── 513.blk ├── 514.blk ├── 515.blk ├── 516.blk ├── 517.blk ├── 518.blk ├── 519.blk ├── 520.blk ├── 521.blk ├── 522.blk ├── 523.blk ├── 524.blk ├── 525.blk ├── 526.blk ├── 527.blk ├── 528.blk ├── 529.blk ├── 530.blk ├── 531.blk ├── 532.blk ├── 533.blk ├── 534.blk ├── 535.blk ├── 536.blk ├── 537.blk ├── 538.blk ├── 539.blk ├── 540.blk ├── 541.blk ├── 542.blk ├── 543.blk ├── 544.blk ├── 545.blk ├── 546.blk ├── 6.blk ├── 600.blk ├── 601.blk ├── 602.blk ├── 603.blk ├── 604.blk ├── 605.blk ├── 606.blk ├── 607.blk ├── 608.blk ├── 609.blk ├── 610.blk ├── 611.blk ├── 612.blk ├── 613.blk ├── 614.blk ├── 615.blk ├── 616.blk ├── 617.blk ├── 618.blk ├── 619.blk ├── 620.blk ├── 621.blk ├── 622.blk ├── 623.blk ├── 624.blk ├── 625.blk ├── 626.blk ├── 627.blk ├── 628.blk ├── 629.blk ├── 630.blk ├── 7.blk ├── 8.blk ├── 8888.blk └── 9.blk ├── data_bak ├── 1.blk ├── 10.blk ├── 11.blk ├── 12.blk ├── 13.blk ├── 14.blk ├── 15.blk ├── 16.blk ├── 17.blk ├── 18.blk ├── 19.blk ├── 2.blk ├── 20.blk ├── 21.blk ├── 22.blk ├── 23.blk ├── 24.blk ├── 25.blk ├── 26.blk ├── 27.blk ├── 28.blk ├── 29.blk ├── 3.blk ├── 30.blk ├── 31.blk ├── 32.blk ├── 33.blk ├── 34.blk ├── 35.blk ├── 36.blk ├── 37.blk ├── 38.blk ├── 39.blk ├── 4.blk ├── 40.blk ├── 41.blk ├── 42.blk ├── 43.blk ├── 44.blk ├── 45.blk ├── 46.blk ├── 47.blk ├── 48.blk ├── 5.blk ├── 6.blk ├── 7.blk ├── 8.blk ├── 8888.blk └── 9.blk ├── db_exp5 ├── 190110105_许峻玮_数据库实验四报告.pdf ├── 实验五 查询处理算法的模拟实现指导书.pdf ├── 实验五 查询处理算法的模拟实现（2021秋）PPT.pdf └── 数据库-实验五报告模板.docx ├── extmem.c ├── extmem.h ├── solution.c └── utils.h /.gitignore: -------------------------------------------------------------------------------- 1 | # Folder view configuration files 2 | .DS_Store 3 | Desktop.ini 4 | 5 | # Thumbnail cache files 6 | ._* 7 | Thumbs.db 8 | 9 | # Files that might appear on external disks 10 | .Spotlight-V100 11 | .Trashes 12 | 13 | # Compiled Python files 14 | *.pyc 15 | 16 | # Compiled C++ files 17 | *.out 18 | 19 | # Application specific files 20 | venv 21 | node_modules 22 | .sass-cache 23 | .DS_Store 24 | 25 | ~$* 26 | 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| WHERE store.address_id = address.address_id 5 | AND address.city_id = city.city_id 6 | AND city.country_id = country.country_id; 7 | 8 | # Q2 9 | SELECT CONCAT(first_name, ' ', last_name) as name 10 | FROM actor, film, film_actor 11 | WHERE film.title = 'WEST LION' 12 | AND actor.actor_id = film_actor.actor_id 13 | AND film.film_id = film_actor.film_id; 14 | 15 | # Q3 16 | SELECT first_name, last_name, SUM(amount) as summation 17 | FROM customer, payment 18 | WHERE payment.customer_id = customer.customer_id 19 | GROUP BY first_name, last_name 20 | ORDER BY summation DESC 21 | LIMIT 3; 22 | 23 | # Q4 24 | SELECT film.film_id, title, SUM(amount) as summation 25 | FROM rental, payment, inventory, film 26 | WHERE film.film_id = inventory.film_id 27 | AND payment.rental_id = rental.rental_id 28 | AND rental.inventory_id = inventory.inventory_id 29 | GROUP BY title, film.film_id 30 | ORDER BY summation DESC 31 | LIMIT 1; 32 | 33 | # Q5 34 | SELECT actor.actor_id, CONCAT(first_name, ' ', last_name) as name, COUNT(film_actor.film_id) as summation 35 | FROM actor, film_actor 36 | WHERE actor.actor_id = film_actor.actor_id 37 | GROUP BY actor.actor_id, name 38 | HAVING summation > 40; 39 | 40 | # Q6 41 | SELECT DISTINCT CONCAT(first_name, ' ', last_name) as name 42 | FROM rental, customer 43 | WHERE rental.customer_id = customer.customer_id 44 | AND rental.customer_id NOT IN ( 45 | SELECT rental.customer_id 46 | FROM rental, inventory, film 47 | WHERE film.title = 'WEST LION' 48 | AND film.film_id = inventory.film_id 49 | AND inventory.inventory_id = rental.inventory_id 50 | ); 51 | 52 | # Q7 53 | SELECT CONCAT(first_name, ' ', last_name) as name 54 | FROM actor 55 | WHERE actor_id = ( 56 | SELECT FA1.actor_id 57 | FROM film_actor FA1, film_actor FA2 58 | WHERE FA1.actor_id = FA2.actor_id 59 | AND FA1.film_id = ( 60 | SELECT film_id 61 | FROM film 62 | WHERE title = 'FIRE WOLVES' 63 | ) 64 | AND FA2.film_id = ( 65 | SELECT film_id 66 | FROM film 67 | WHERE title = 'JAWBREAKER BROOKLYN' 68 | ) 69 | ) 70 | ; 71 | 72 | # Q8 73 | SELECT category.category_id, category.name, COUNT(category.category_id) as amount 74 | FROM film_category, category 75 | WHERE category.category_id = film_category.category_id 76 | GROUP BY category.category_id, category.name; 77 | 78 | # Q9 79 | SELECT DISTINCT title 80 | FROM film, inventory I1, inventory I2 81 | WHERE I1.film_id = I2.film_id 82 | AND I1.store_id <> I2.store_id 83 | AND I1.film_id = film.film_id; 84 | 85 | # Q10 86 | SELECT first_name, last_name, TIMESTAMPDIFF(second , rental_date, return_date) as rental_length 87 | FROM customer, rental 88 | WHERE customer.customer_id = rental.customer_id 89 | ORDER BY rental_length DESC 90 | LIMIT 3; 91 | 92 | #Q11 93 | INSERT INTO sakila.customer (store_id, first_name, last_name, email, address_id, create_date) 94 | VALUES (1, 'PINSKY', 'ROBIN', 'xu568059888@gmail.com', 6, NOW()); 95 | 96 | #Q12 97 | UPDATE customer 98 | SET active = 0 99 | WHERE customer_id = 609; 100 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https://raw.githubusercontent.com/pinskyrobin/hitsz_database_2021/e6f0663d23c0ef86a09d7fbffda90b3ef38a0e34/Exp4/Exp3_4/Image/icon.ico -------------------------------------------------------------------------------- /Exp4/Exp3_4/UI/AboutWidget.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | 3 | # Form implementation generated from reading ui file 'AboutWidget.ui' 4 | # 5 | # Created by: PyQt5 UI code generator 5.15.4 6 | # 7 | # WARNING: Any manual changes made to this file will be lost when pyuic5 is 8 | # run again. Do not edit this file unless you know what you are doing. 9 | 10 | 11 | from PyQt5 import QtCore, QtGui, QtWidgets 12 | 13 | 14 | class Ui_AboutWidget(object): 15 | def setupUi(self, AboutWidget): 16 | AboutWidget.setObjectName("AboutWidget") 17 | AboutWidget.resize(566, 494) 18 | self.gridLayout = QtWidgets.QGridLayout(AboutWidget) 19 | self.gridLayout.setContentsMargins(0, 0, 0, 0) 20 | self.gridLayout.setObjectName("gridLayout") 21 | self.verticalLayout = QtWidgets.QVBoxLayout() 22 | self.verticalLayout.setObjectName("verticalLayout") 23 | self.horizontalLayout_5 = QtWidgets.QHBoxLayout() 24 | self.horizontalLayout_5.setObjectName("horizontalLayout_5") 25 | self.textBrowser = QtWidgets.QTextBrowser(AboutWidget) 26 | self.textBrowser.setObjectName("textBrowser") 27 | self.horizontalLayout_5.addWidget(self.textBrowser) 28 | self.verticalLayout.addLayout(self.horizontalLayout_5) 29 | self.horizontalLayout_3 = QtWidgets.QHBoxLayout() 30 | self.horizontalLayout_3.setObjectName("horizontalLayout_3") 31 | spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) 32 | self.horizontalLayout_3.addItem(spacerItem) 33 | self.btn_flower = QtWidgets.QPushButton(AboutWidget) 34 | self.btn_flower.setObjectName("btn_flower") 35 | self.horizontalLayout_3.addWidget(self.btn_flower) 36 | self.verticalLayout.addLayout(self.horizontalLayout_3) 37 | self.gridLayout.addLayout(self.verticalLayout, 0, 0, 1, 1) 38 | 39 | self.retranslateUi(AboutWidget) 40 | QtCore.QMetaObject.connectSlotsByName(AboutWidget) 41 | 42 | def retranslateUi(self, AboutWidget): 43 | _translate = QtCore.QCoreApplication.translate 44 | AboutWidget.setWindowTitle(_translate("AboutWidget", "Form")) 45 | self.textBrowser.setHtml(_translate("AboutWidget", "\n" 46 | "\n" 49 | "

本次实验总算是告一段落！

\n" 50 | "

首先要向所有老师和助教说一句抱歉！🙇‍

\n" 51 | "

高估能力的后果是这个学期选了太多的课，现在来看也是遭到了报应😭这次实验在正式提交后好久才做完，在感叹自己过于繁重的学业压力的同时，也深感愧疚。

\n" 52 | "

但是但是！我也有很用心地完成这次实验！没有一点点的敷衍！😝

\n" 53 | "

因为只是学过前端的框架，所以没有使用 Java；因为不是很熟悉 QSS 的用法，所以没有做最后的界面美化。

\n" 54 | "

说起界面的美观，我发现 QT 在 macOS 和 Windows 下的显示效果真的天差地别😵大概就是卖家秀和买家秀的区别吧呜呜我也不知道为什么会这样！不知道老师/助教是用哪个系统看的呢，如果是 Windows 系统的话可以看一下我的演示视频和实验报告的截图，它其实也不是那么丑的！！！

\n" 55 | "

面对有些简陋的 UI，我实在过意不去，于是尝试在里面加了些有趣的内容~希望可以缓解批改的心情，也是想让自己在众多作品中显得有一些不一样吧哈哈哈哈（叉腰）

\n" 56 | "

与其说这次实验让我更加熟练地使用 SQL 语句，倒不如说是让我对产品和编码规则有了一定的启发吧。虽然时间仓促，虽然这个小小的软件还有太多的不完美，但是在权衡各门课程之后，我想，我是已经尽力了，至于分数，交给你们就好啦！😬

\n" 57 | "

Hope everything goes well !

")) 58 | self.btn_flower.setText(_translate("AboutWidget", "送一朵小红花")) 59 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/UI/AboutWidget.ui: -------------------------------------------------------------------------------- 1 | 2 | 3 | AboutWidget 4 | 5 | 6 | 7 | 0 8 | 0 9 | 566 10 | 494 11 | 12 | 13 | 14 | Form 15 | 16 | 17 | 18 | 0 19 | 20 | 21 | 0 22 | 23 | 24 | 0 25 | 26 | 27 | 0 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"> 37 | <html><head><meta name="qrichtext" content="1" /><style type="text/css"> 38 | p, li { white-space: pre-wrap; } 39 | </style></head><body style=" font-family:'.AppleSystemUIFont'; font-size:13pt; font-weight:400; font-style:normal;"> 40 | <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-size:18pt;">本次实验总算是告一段落！</span></p> 41 | <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-size:18pt;">首先要向所有老师和助教说一句抱歉！🙇‍</span></p> 42 | <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-size:18pt;">高估能力的后果是这个学期选了太多的课，现在来看也是遭到了报应😭这次实验在正式提交后好久才做完，在感叹自己过于繁重的学业压力的同时，也深感愧疚。</span></p> 43 | <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-size:18pt;">但是但是！我也有很用心地完成这次实验！没有一点点的敷衍！😝</span></p> 44 | <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-size:18pt;">因为只是学过前端的框架，所以没有使用 Java；因为不是很熟悉 QSS 的用法，所以没有做最后的界面美化。</span></p> 45 | <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-size:18pt;">说起界面的美观，我发现 QT 在 macOS 和 Windows 下的显示效果真的天差地别😵大概就是卖家秀和买家秀的区别吧呜呜我也不知道为什么会这样！不知道老师/助教是用哪个系统看的呢，如果是 Windows 系统的话可以看一下我的演示视频和实验报告的截图，它其实也不是那么丑的！！！</span></p> 46 | <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-size:18pt;">面对有些简陋的 UI，我实在过意不去，于是尝试在里面加了些有趣的内容~希望可以缓解批改的心情，也是想让自己在众多作品中显得有一些不一样吧哈哈哈哈（叉腰）</span></p> 47 | <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-size:18pt;">与其说这次实验让我更加熟练地使用 SQL 语句，倒不如说是让我对产品和编码规则有了一定的启发吧。虽然时间仓促，虽然这个小小的软件还有太多的不完美，但是在权衡各门课程之后，我想，我是已经尽力了，至于分数，交给你们就好啦！😬</span></p> 48 | <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-size:18pt;">Hope everything goes well !</span></p></body></html> 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | Qt::Horizontal 60 | 61 | 62 | 63 | 40 64 | 20 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 送一朵小红花 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/UI/AdminMainWindow.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | 3 | # Form implementation generated from reading ui file 'AdminMainWindow.ui' 4 | # 5 | # Created by: PyQt5 UI code generator 5.15.4 6 | # 7 | # WARNING: Any manual changes made to this file will be lost when pyuic5 is 8 | # run again. Do not edit this file unless you know what you are doing. 9 | 10 | 11 | from PyQt5 import QtCore, QtGui, QtWidgets 12 | 13 | 14 | class Ui_MainWindow(object): 15 | def setupUi(self, MainWindow): 16 | MainWindow.setObjectName("MainWindow") 17 | MainWindow.resize(800, 600) 18 | self.centralwidget = QtWidgets.QWidget(MainWindow) 19 | self.centralwidget.setObjectName("centralwidget") 20 | self.gridLayout = QtWidgets.QGridLayout(self.centralwidget) 21 | self.gridLayout.setContentsMargins(5, 5, 5, 5) 22 | self.gridLayout.setSpacing(3) 23 | self.gridLayout.setObjectName("gridLayout") 24 | self.horizontalLayout_2 = QtWidgets.QHBoxLayout() 25 | self.horizontalLayout_2.setObjectName("horizontalLayout_2") 26 | self.treeWidget = QtWidgets.QTreeWidget(self.centralwidget) 27 | self.treeWidget.setMaximumSize(QtCore.QSize(200, 16777215)) 28 | self.treeWidget.setObjectName("treeWidget") 29 | item_0 = QtWidgets.QTreeWidgetItem(self.treeWidget) 30 | item_0 = QtWidgets.QTreeWidgetItem(self.treeWidget) 31 | item_0 = QtWidgets.QTreeWidgetItem(self.treeWidget) 32 | self.horizontalLayout_2.addWidget(self.treeWidget) 33 | self.verticalLayout_2 = QtWidgets.QVBoxLayout() 34 | self.verticalLayout_2.setObjectName("verticalLayout_2") 35 | self.verticalLayout = QtWidgets.QVBoxLayout() 36 | self.verticalLayout.setObjectName("verticalLayout") 37 | self.label = QtWidgets.QLabel(self.centralwidget) 38 | self.label.setStyleSheet("font: 14pt \"宋体\";") 39 | self.label.setAlignment(QtCore.Qt.AlignCenter) 40 | self.label.setObjectName("label") 41 | self.verticalLayout.addWidget(self.label) 42 | self.horizontalLayout = QtWidgets.QHBoxLayout() 43 | self.horizontalLayout.setObjectName("horizontalLayout") 44 | self.label_2 = QtWidgets.QLabel(self.centralwidget) 45 | self.label_2.setStyleSheet("font: 12pt \"宋体\";") 46 | self.label_2.setObjectName("label_2") 47 | self.horizontalLayout.addWidget(self.label_2) 48 | self.current_username_label = QtWidgets.QLabel(self.centralwidget) 49 | self.current_username_label.setStyleSheet("font: 12pt \"宋体\";") 50 | self.current_username_label.setObjectName("current_username_label") 51 | self.horizontalLayout.addWidget(self.current_username_label) 52 | self.label_4 = QtWidgets.QLabel(self.centralwidget) 53 | self.label_4.setStyleSheet("font: 12pt \"宋体\";") 54 | self.label_4.setObjectName("label_4") 55 | self.horizontalLayout.addWidget(self.label_4) 56 | self.current_role_label = QtWidgets.QLabel(self.centralwidget) 57 | self.current_role_label.setStyleSheet("font: 12pt \"宋体\";") 58 | self.current_role_label.setObjectName("current_role_label") 59 | self.horizontalLayout.addWidget(self.current_role_label) 60 | spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) 61 | self.horizontalLayout.addItem(spacerItem) 62 | self.pushButton = QtWidgets.QPushButton(self.centralwidget) 63 | self.pushButton.setStyleSheet("font: 12pt \"宋体\";") 64 | self.pushButton.setObjectName("pushButton") 65 | self.horizontalLayout.addWidget(self.pushButton) 66 | self.verticalLayout.addLayout(self.horizontalLayout) 67 | self.verticalLayout_2.addLayout(self.verticalLayout) 68 | self.line_2 = QtWidgets.QFrame(self.centralwidget) 69 | self.line_2.setMaximumSize(QtCore.QSize(16777215, 2)) 70 | self.line_2.setStyleSheet("background-color: rgb(222, 222, 222);") 71 | self.line_2.setFrameShape(QtWidgets.QFrame.HLine) 72 | self.line_2.setFrameShadow(QtWidgets.QFrame.Sunken) 73 | self.line_2.setObjectName("line_2") 74 | self.verticalLayout_2.addWidget(self.line_2) 75 | self.stackedWidget = QtWidgets.QStackedWidget(self.centralwidget) 76 | self.stackedWidget.setObjectName("stackedWidget") 77 | self.page = QtWidgets.QWidget() 78 | self.page.setObjectName("page") 79 | self.stackedWidget.addWidget(self.page) 80 | self.page_2 = QtWidgets.QWidget() 81 | self.page_2.setObjectName("page_2") 82 | self.stackedWidget.addWidget(self.page_2) 83 | self.verticalLayout_2.addWidget(self.stackedWidget) 84 | self.horizontalLayout_2.addLayout(self.verticalLayout_2) 85 | self.horizontalLayout_2.setStretch(1, 5) 86 | self.gridLayout.addLayout(self.horizontalLayout_2, 0, 0, 1, 1) 87 | MainWindow.setCentralWidget(self.centralwidget) 88 | 89 | self.retranslateUi(MainWindow) 90 | QtCore.QMetaObject.connectSlotsByName(MainWindow) 91 | 92 | def retranslateUi(self, MainWindow): 93 | _translate = QtCore.QCoreApplication.translate 94 | MainWindow.setWindowTitle(_translate("MainWindow", "HITsz Canteen Admin")) 95 | self.treeWidget.headerItem().setText(0, _translate("MainWindow", "Menu")) 96 | __sortingEnabled = self.treeWidget.isSortingEnabled() 97 | self.treeWidget.setSortingEnabled(False) 98 | self.treeWidget.topLevelItem(0).setText(0, _translate("MainWindow", "🧐 主页")) 99 | self.treeWidget.topLevelItem(1).setText(0, _translate("MainWindow", "🔍 订单管理")) 100 | self.treeWidget.topLevelItem(2).setText(0, _translate("MainWindow", "💫 关于")) 101 | self.treeWidget.setSortingEnabled(__sortingEnabled) 102 | self.label.setText(_translate("MainWindow", "😎 Make HITsz Canteen Great Again！😎")) 103 | self.label_2.setText(_translate("MainWindow", "用户:")) 104 | self.current_username_label.setText(_translate("MainWindow", " root")) 105 | self.label_4.setText(_translate("MainWindow", "角色:")) 106 | self.current_role_label.setText(_translate("MainWindow", "管理员")) 107 | self.pushButton.setText(_translate("MainWindow", "返回")) 108 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/UI/AdminOrderWidget.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | 3 | # Form implementation generated from reading ui file 'AdminOrderWidget.ui' 4 | # 5 | # Created by: PyQt5 UI code generator 5.15.4 6 | # 7 | # WARNING: Any manual changes made to this file will be lost when pyuic5 is 8 | # run again. Do not edit this file unless you know what you are doing. 9 | 10 | 11 | from PyQt5 import QtCore, QtGui, QtWidgets 12 | 13 | 14 | class Ui_Form(object): 15 | def setupUi(self, Form): 16 | Form.setObjectName("Form") 17 | Form.resize(602, 507) 18 | self.gridLayout = QtWidgets.QGridLayout(Form) 19 | self.gridLayout.setContentsMargins(0, 0, 0, 0) 20 | self.gridLayout.setObjectName("gridLayout") 21 | self.verticalLayout = QtWidgets.QVBoxLayout() 22 | self.verticalLayout.setObjectName("verticalLayout") 23 | self.horizontalLayout_3 = QtWidgets.QHBoxLayout() 24 | self.horizontalLayout_3.setObjectName("horizontalLayout_3") 25 | self.verticalLayout.addLayout(self.horizontalLayout_3) 26 | self.horizontalLayout_6 = QtWidgets.QHBoxLayout() 27 | self.horizontalLayout_6.setObjectName("horizontalLayout_6") 28 | spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) 29 | self.horizontalLayout_6.addItem(spacerItem) 30 | self.btn_refresh = QtWidgets.QPushButton(Form) 31 | self.btn_refresh.setStyleSheet("font: 12pt \"宋体\";") 32 | self.btn_refresh.setObjectName("btn_refresh") 33 | self.horizontalLayout_6.addWidget(self.btn_refresh) 34 | spacerItem1 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) 35 | self.horizontalLayout_6.addItem(spacerItem1) 36 | self.verticalLayout.addLayout(self.horizontalLayout_6) 37 | self.tableWidget_order = QtWidgets.QTableWidget(Form) 38 | self.tableWidget_order.setStyleSheet("font: 12pt \"宋体\";") 39 | self.tableWidget_order.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded) 40 | self.tableWidget_order.setSizeAdjustPolicy(QtWidgets.QAbstractScrollArea.AdjustToContents) 41 | self.tableWidget_order.setAutoScroll(False) 42 | self.tableWidget_order.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers) 43 | self.tableWidget_order.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectColumns) 44 | self.tableWidget_order.setObjectName("tableWidget_order") 45 | self.tableWidget_order.setColumnCount(5) 46 | self.tableWidget_order.setRowCount(0) 47 | item = QtWidgets.QTableWidgetItem() 48 | self.tableWidget_order.setHorizontalHeaderItem(0, item) 49 | item = QtWidgets.QTableWidgetItem() 50 | self.tableWidget_order.setHorizontalHeaderItem(1, item) 51 | item = QtWidgets.QTableWidgetItem() 52 | self.tableWidget_order.setHorizontalHeaderItem(2, item) 53 | item = QtWidgets.QTableWidgetItem() 54 | self.tableWidget_order.setHorizontalHeaderItem(3, item) 55 | item = QtWidgets.QTableWidgetItem() 56 | self.tableWidget_order.setHorizontalHeaderItem(4, item) 57 | self.tableWidget_order.horizontalHeader().setMinimumSectionSize(100) 58 | self.tableWidget_order.verticalHeader().setCascadingSectionResizes(False) 59 | self.tableWidget_order.verticalHeader().setDefaultSectionSize(30) 60 | self.tableWidget_order.verticalHeader().setMinimumSectionSize(23) 61 | self.verticalLayout.addWidget(self.tableWidget_order) 62 | self.gridLayout.addLayout(self.verticalLayout, 0, 0, 1, 1) 63 | 64 | self.retranslateUi(Form) 65 | QtCore.QMetaObject.connectSlotsByName(Form) 66 | 67 | def retranslateUi(self, Form): 68 | _translate = QtCore.QCoreApplication.translate 69 | Form.setWindowTitle(_translate("Form", "Form")) 70 | self.btn_refresh.setText(_translate("Form", "这是一个硕大的刷新按钮，想刷新订单状态请用力点我靴靴")) 71 | self.tableWidget_order.setSortingEnabled(True) 72 | item = self.tableWidget_order.horizontalHeaderItem(0) 73 | item.setText(_translate("Form", "食堂名")) 74 | item = self.tableWidget_order.horizontalHeaderItem(1) 75 | item.setText(_translate("Form", "商铺名")) 76 | item = self.tableWidget_order.horizontalHeaderItem(2) 77 | item.setText(_translate("Form", "菜品名")) 78 | item = self.tableWidget_order.horizontalHeaderItem(3) 79 | item.setText(_translate("Form", "总价")) 80 | item = self.tableWidget_order.horizontalHeaderItem(4) 81 | item.setText(_translate("Form", "评价")) 82 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/UI/AdminOrderWidget.ui: -------------------------------------------------------------------------------- 1 | 2 | 3 | Form 4 | 5 | 6 | 7 | 0 8 | 0 9 | 602 10 | 507 11 | 12 | 13 | 14 | Form 15 | 16 | 17 | 18 | 0 19 | 20 | 21 | 0 22 | 23 | 24 | 0 25 | 26 | 27 | 0 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | Qt::Horizontal 40 | 41 | 42 | 43 | 40 44 | 20 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | font: 12pt "宋体"; 53 | 54 | 55 | 这是一个硕大的刷新按钮，想刷新订单状态请用力点我靴靴 56 | 57 | 58 | 59 | 60 | 61 | 62 | Qt::Horizontal 63 | 64 | 65 | 66 | 40 67 | 20 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | font: 12pt "宋体"; 78 | 79 | 80 | Qt::ScrollBarAsNeeded 81 | 82 | 83 | QAbstractScrollArea::AdjustToContents 84 | 85 | 86 | false 87 | 88 | 89 | QAbstractItemView::NoEditTriggers 90 | 91 | 92 | QAbstractItemView::SelectColumns 93 | 94 | 95 | true 96 | 97 | 98 | 100 99 | 100 | 101 | false 102 | 103 | 104 | 23 105 | 106 | 107 | 30 108 | 109 | 110 | 111 | 食堂名 112 | 113 | 114 | 115 | 116 | 商铺名 117 | 118 | 119 | 120 | 121 | 菜品名 122 | 123 | 124 | 125 | 126 | 总价 127 | 128 | 129 | 130 | 131 | 评价 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | 141 | 142 | 143 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/UI/UserAllOrderWidget.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | 3 | # Form implementation generated from reading ui file 'UserAllOrderWidget.ui' 4 | # 5 | # Created by: PyQt5 UI code generator 5.15.4 6 | # 7 | # WARNING: Any manual changes made to this file will be lost when pyuic5 is 8 | # run again. Do not edit this file unless you know what you are doing. 9 | 10 | 11 | from PyQt5 import QtCore, QtGui, QtWidgets 12 | 13 | 14 | class Ui_Form(object): 15 | def setupUi(self, Form): 16 | Form.setObjectName("Form") 17 | Form.resize(571, 489) 18 | self.gridLayout = QtWidgets.QGridLayout(Form) 19 | self.gridLayout.setContentsMargins(0, 0, 0, 0) 20 | self.gridLayout.setObjectName("gridLayout") 21 | self.verticalLayout = QtWidgets.QVBoxLayout() 22 | self.verticalLayout.setObjectName("verticalLayout") 23 | self.horizontalLayout = QtWidgets.QHBoxLayout() 24 | self.horizontalLayout.setObjectName("horizontalLayout") 25 | self.verticalLayout.addLayout(self.horizontalLayout) 26 | self.horizontalLayout_6 = QtWidgets.QHBoxLayout() 27 | self.horizontalLayout_6.setObjectName("horizontalLayout_6") 28 | spacerItem = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) 29 | self.horizontalLayout_6.addItem(spacerItem) 30 | self.btn_refresh = QtWidgets.QPushButton(Form) 31 | self.btn_refresh.setStyleSheet("font: 12pt \"宋体\";") 32 | self.btn_refresh.setObjectName("btn_refresh") 33 | self.horizontalLayout_6.addWidget(self.btn_refresh) 34 | spacerItem1 = QtWidgets.QSpacerItem(40, 20, QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Minimum) 35 | self.horizontalLayout_6.addItem(spacerItem1) 36 | self.verticalLayout.addLayout(self.horizontalLayout_6) 37 | self.tableWidget_order = QtWidgets.QTableWidget(Form) 38 | self.tableWidget_order.setStyleSheet("font: 12pt \"宋体\";") 39 | self.tableWidget_order.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAsNeeded) 40 | self.tableWidget_order.setSizeAdjustPolicy(QtWidgets.QAbstractScrollArea.AdjustToContents) 41 | self.tableWidget_order.setAutoScroll(False) 42 | self.tableWidget_order.setEditTriggers(QtWidgets.QAbstractItemView.NoEditTriggers) 43 | self.tableWidget_order.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows) 44 | self.tableWidget_order.setObjectName("tableWidget_order") 45 | self.tableWidget_order.setColumnCount(6) 46 | self.tableWidget_order.setRowCount(0) 47 | item = QtWidgets.QTableWidgetItem() 48 | self.tableWidget_order.setHorizontalHeaderItem(0, item) 49 | item = QtWidgets.QTableWidgetItem() 50 | self.tableWidget_order.setHorizontalHeaderItem(1, item) 51 | item = QtWidgets.QTableWidgetItem() 52 | self.tableWidget_order.setHorizontalHeaderItem(2, item) 53 | item = QtWidgets.QTableWidgetItem() 54 | self.tableWidget_order.setHorizontalHeaderItem(3, item) 55 | item = QtWidgets.QTableWidgetItem() 56 | self.tableWidget_order.setHorizontalHeaderItem(4, item) 57 | item = QtWidgets.QTableWidgetItem() 58 | self.tableWidget_order.setHorizontalHeaderItem(5, item) 59 | self.tableWidget_order.horizontalHeader().setMinimumSectionSize(20) 60 | self.tableWidget_order.verticalHeader().setCascadingSectionResizes(True) 61 | self.tableWidget_order.verticalHeader().setDefaultSectionSize(30) 62 | self.tableWidget_order.verticalHeader().setMinimumSectionSize(23) 63 | self.verticalLayout.addWidget(self.tableWidget_order) 64 | self.horizontalLayout_3 = QtWidgets.QHBoxLayout() 65 | self.horizontalLayout_3.setObjectName("horizontalLayout_3") 66 | self.verticalLayout.addLayout(self.horizontalLayout_3) 67 | self.gridLayout.addLayout(self.verticalLayout, 0, 0, 1, 1) 68 | 69 | self.retranslateUi(Form) 70 | QtCore.QMetaObject.connectSlotsByName(Form) 71 | 72 | def retranslateUi(self, Form): 73 | _translate = QtCore.QCoreApplication.translate 74 | Form.setWindowTitle(_translate("Form", "Form")) 75 | self.btn_refresh.setText(_translate("Form", "这是一个硕大的刷新按钮，想刷新订单状态请用力点我靴靴")) 76 | self.tableWidget_order.setSortingEnabled(True) 77 | item = self.tableWidget_order.horizontalHeaderItem(0) 78 | item.setText(_translate("Form", "订单编号")) 79 | item = self.tableWidget_order.horizontalHeaderItem(1) 80 | item.setText(_translate("Form", "就餐地点")) 81 | item = self.tableWidget_order.horizontalHeaderItem(2) 82 | item.setText(_translate("Form", "订单菜品")) 83 | item = self.tableWidget_order.horizontalHeaderItem(3) 84 | item.setText(_translate("Form", "总金额")) 85 | item = self.tableWidget_order.horizontalHeaderItem(4) 86 | item.setText(_translate("Form", "订单状态")) 87 | item = self.tableWidget_order.horizontalHeaderItem(5) 88 | item.setText(_translate("Form", "评价")) 89 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/UI/UserAllOrderWidget.ui: -------------------------------------------------------------------------------- 1 | 2 | 3 | Form 4 | 5 | 6 | 7 | 0 8 | 0 9 | 571 10 | 489 11 | 12 | 13 | 14 | Form 15 | 16 | 17 | 18 | 0 19 | 20 | 21 | 0 22 | 23 | 24 | 0 25 | 26 | 27 | 0 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | Qt::Horizontal 40 | 41 | 42 | 43 | 40 44 | 20 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | font: 12pt "宋体"; 53 | 54 | 55 | 这是一个硕大的刷新按钮，想刷新订单状态请用力点我靴靴 56 | 57 | 58 | 59 | 60 | 61 | 62 | Qt::Horizontal 63 | 64 | 65 | 66 | 40 67 | 20 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | font: 12pt "宋体"; 78 | 79 | 80 | Qt::ScrollBarAsNeeded 81 | 82 | 83 | QAbstractScrollArea::AdjustToContents 84 | 85 | 86 | false 87 | 88 | 89 | QAbstractItemView::NoEditTriggers 90 | 91 | 92 | QAbstractItemView::SelectRows 93 | 94 | 95 | true 96 | 97 | 98 | 20 99 | 100 | 101 | true 102 | 103 | 104 | 23 105 | 106 | 107 | 30 108 | 109 | 110 | 111 | 订单编号 112 | 113 | 114 | 115 | 116 | 就餐地点 117 | 118 | 119 | 120 | 121 | 订单菜品 122 | 123 | 124 | 125 | 126 | 总金额 127 | 128 | 129 | 130 | 131 | 订单状态 132 | 133 | 134 | 135 | 136 | 评价 137 | 138 | 139 | 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/UI/__init__.py: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pinskyrobin/hitsz_database_2021/e6f0663d23c0ef86a09d7fbffda90b3ef38a0e34/Exp4/Exp3_4/UI/__init__.py -------------------------------------------------------------------------------- /Exp4/Exp3_4/Util/Constants.py: -------------------------------------------------------------------------------- 1 | ROLE_MAP = {'0': '管理员', '1': '普通用户'} -------------------------------------------------------------------------------- /Exp4/Exp3_4/Util/FuncUtil.py: -------------------------------------------------------------------------------- 1 | import hashlib 2 | 3 | 4 | def get_md5(data): 5 | m = hashlib.md5() 6 | b = data.encode(encoding='utf-8') 7 | m.update(b) 8 | return m.hexdigest() 9 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Util/__init__.py: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pinskyrobin/hitsz_database_2021/e6f0663d23c0ef86a09d7fbffda90b3ef38a0e34/Exp4/Exp3_4/Util/__init__.py -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/AboutWindow.py: -------------------------------------------------------------------------------- 1 | from PyQt5.QtWidgets import QWidget, QMessageBox 2 | from UI.AboutWidget import Ui_AboutWidget 3 | from Util.DbUtil import DbUtil 4 | 5 | 6 | class AboutWindow(Ui_AboutWidget, QWidget): 7 | def __init__(self): 8 | super(AboutWindow, self).__init__() 9 | self.setupUi(self) 10 | self.btn_flower.clicked.connect(self.flower) 11 | 12 | def flower(self): 13 | db = DbUtil() 14 | db.send_flower() 15 | QMessageBox.information(self, '消息', '😆 送花成功!\n谢谢你!!!', QMessageBox.Yes) 16 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/AdminHomeWindow.py: -------------------------------------------------------------------------------- 1 | from threading import Thread 2 | 3 | from PyQt5.QtCore import Qt, pyqtSignal 4 | from PyQt5.QtWidgets import QWidget, QMessageBox, QTableWidgetItem, QHeaderView 5 | from UI.AdminHomeWidget import Ui_Form 6 | from Util.DbUtil import DbUtil 7 | 8 | 9 | class AdminHomeWindow(Ui_Form, QWidget): 10 | query_done_signal = pyqtSignal(list) 11 | 12 | def __init__(self, admin_name): 13 | super(AdminHomeWindow, self).__init__() 14 | db = DbUtil() 15 | self.admin_name = admin_name 16 | count, res = db.get_admin_info(self.admin_name) 17 | self.canteen_id = res[0][0] 18 | self.store_id = res[0][1] 19 | self.setupUi(self) 20 | self.init_slot() 21 | self.init_data() 22 | self.init_ui() 23 | self.init_data() 24 | 25 | def init_slot(self): 26 | self.btn_finish.clicked.connect(self.finish) 27 | self.btn_refresh.clicked.connect(self.refresh) 28 | self.query_done_signal.connect(self.show_data) 29 | 30 | def init_data(self): 31 | self.get_data('order') 32 | self.get_data('comment') 33 | 34 | def init_ui(self): 35 | self.tableWidget_order.setColumnCount(6) 36 | self.tableWidget_order.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 37 | self.tableWidget_order.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 38 | self.tableWidget_comment.setColumnCount(4) 39 | self.tableWidget_comment.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 40 | self.tableWidget_comment.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 41 | 42 | def finish(self): 43 | try: 44 | db = DbUtil() 45 | row = self.tableWidget_order.currentRow() 46 | order_id = self.tableWidget_order.item(row, 0).text() 47 | db.update_order_status(order_id) 48 | db.db_commit() 49 | db.instance = None 50 | del db 51 | self.tableWidget_order.removeRow(row) 52 | QMessageBox.information(self, 'Done!', '🥳 提交成功!', QMessageBox.Yes) 53 | except Exception: 54 | QMessageBox.warning(self, 'Do nothing!', '🤯 出错!', QMessageBox.Yes) 55 | return 56 | 57 | def show_data(self, raw_data): 58 | row = 0 59 | datas = raw_data[1] 60 | window = self.tableWidget_comment 61 | if raw_data[2] == 'order': 62 | window = self.tableWidget_order 63 | if len(datas) == 0: 64 | return 65 | col_num = len(datas[0]) 66 | for data in datas: 67 | if window.rowCount() <= row: 68 | window.insertRow(row) 69 | for i in range(col_num): 70 | item_name = data[i] 71 | if raw_data[2] == 'order' and i == 4: 72 | item_name = str(item_name) + " 元" 73 | if raw_data[2] == 'comment' and i == 2: 74 | item_name = str(item_name) + " 分" 75 | item = QTableWidgetItem(str(item_name)) 76 | window.setItem(row, i, item) 77 | row = row + 1 78 | for i in range(row): 79 | for j in range(col_num - 1): 80 | item = window.item(i, j) 81 | item.setTextAlignment(Qt.AlignVCenter | Qt.AlignHCenter) 82 | 83 | def get_data(self, tag): 84 | th = Thread(target=self.get_data_th(tag)) 85 | th.start() 86 | 87 | def get_data_th(self, tag): 88 | db = DbUtil() 89 | if tag == 'order': 90 | count, res = db.get_not_finished_order(self.canteen_id, self.store_id) 91 | else: 92 | count, res = db.get_admin_comment(self.canteen_id, self.store_id) 93 | self.query_done_signal.emit([count, res, tag]) 94 | 95 | def refresh(self): 96 | self.get_data('order') 97 | self.get_data('comment') 98 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/AdminMainWindow.py: -------------------------------------------------------------------------------- 1 | from PyQt5.QtWidgets import QMainWindow, QMessageBox 2 | from UI.AdminMainWindow import Ui_MainWindow 3 | from Views.AdminHomeWindow import AdminHomeWindow 4 | from Views.AdminOrderWindow import AdminOrderWindow 5 | from Views.AboutWindow import AboutWindow 6 | from Util.Constants import ROLE_MAP 7 | 8 | 9 | class AdminMainWindow(Ui_MainWindow, QMainWindow): 10 | 11 | def __init__(self, login=None, username=None, role=None): 12 | super(AdminMainWindow, self).__init__() 13 | self.setupUi(self) 14 | self.is_change_user = False 15 | self.username = username 16 | self.login_win = login 17 | self.role = ROLE_MAP.get(str(role)) 18 | self.init_slot() 19 | self.init_ui() 20 | 21 | def init_ui(self): 22 | self.pushButton.setMinimumWidth(60) 23 | self.treeWidget.setCurrentIndex(self.treeWidget.model().index(0, 0)) 24 | self.current_username_label.setText(self.username) 25 | self.current_role_label.setText(self.role) 26 | self.stackedWidget.removeWidget(self.page) 27 | self.stackedWidget.removeWidget(self.page_2) 28 | self.stackedWidget.addWidget(AdminHomeWindow(self.username)) 29 | self.stackedWidget.addWidget(AdminOrderWindow(self.username)) 30 | self.stackedWidget.addWidget(AboutWindow()) 31 | 32 | def init_slot(self): 33 | self.treeWidget.currentItemChanged.connect(self.item_changed) 34 | self.pushButton.clicked.connect(self.log_out) 35 | 36 | def item_changed(self): 37 | if self.treeWidget.currentItem().text(0) == '🧐 主页': 38 | self.stackedWidget.setCurrentIndex(0) 39 | elif self.treeWidget.currentItem().text(0) == '🔍 订单管理': 40 | self.stackedWidget.setCurrentIndex(1) 41 | elif self.treeWidget.currentItem().text(0) == '💫 关于': 42 | self.stackedWidget.setCurrentIndex(2) 43 | 44 | def log_out(self): 45 | self.is_change_user = True 46 | self.close() 47 | 48 | def closeEvent(self, event): 49 | if self.is_change_user: 50 | reply = QMessageBox.question(self, '消息', '确定退出当前账号吗?', 51 | QMessageBox.Yes | QMessageBox.No, QMessageBox.No) 52 | else: 53 | reply = QMessageBox.question(self, '消息', '确定退出系统吗?', 54 | QMessageBox.Yes | QMessageBox.No, QMessageBox.No) 55 | if reply == QMessageBox.Yes: 56 | event.accept() 57 | if self.is_change_user: 58 | self.login_win.show() 59 | else: 60 | event.ignore() 61 | self.is_change_user = False 62 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/AdminOrderWindow.py: -------------------------------------------------------------------------------- 1 | from threading import Thread 2 | 3 | from PyQt5.QtCore import pyqtSignal, Qt 4 | from PyQt5.QtWidgets import QWidget, QTableWidgetItem, QHeaderView 5 | from UI.AdminOrderWidget import Ui_Form 6 | from Util.DbUtil import DbUtil 7 | 8 | 9 | class AdminOrderWindow(Ui_Form, QWidget): 10 | query_done_signal = pyqtSignal(list) 11 | 12 | def __init__(self, admin_name): 13 | super(AdminOrderWindow, self).__init__() 14 | db = DbUtil() 15 | self.admin_name = admin_name 16 | count, res = db.get_admin_info(self.admin_name) 17 | self.canteen_id = res[0][0] 18 | self.store_id = res[0][1] 19 | self.setupUi(self) 20 | self.init_ui() 21 | self.query_done_signal.connect(self.show_orders) 22 | self.btn_refresh.clicked.connect(self.refresh) 23 | self.get_orders() 24 | 25 | def init_ui(self): 26 | self.tableWidget_order.setColumnCount(5) 27 | self.tableWidget_order.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 28 | self.tableWidget_order.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 29 | 30 | def get_orders(self): 31 | th = Thread(target=self.get_orders_th()) 32 | th.start() 33 | 34 | def get_orders_th(self): 35 | db = DbUtil() 36 | count, res = db.get_admin_order(self.canteen_id, self.store_id) 37 | self.query_done_signal.emit([count, res]) 38 | 39 | def show_orders(self, res): 40 | orders = res[1] 41 | col_num = len(orders[0]) 42 | row = 0 43 | for order in orders: 44 | if self.tableWidget_order.rowCount() <= row: 45 | self.tableWidget_order.insertRow(row) 46 | for i in range(col_num): 47 | item_name = order[i] 48 | if item_name is None: 49 | item_name = '' 50 | item = QTableWidgetItem(str(item_name)) 51 | self.tableWidget_order.setItem(row, i, item) 52 | row = row + 1 53 | for i in range(row): 54 | for j in range(col_num - 1): 55 | item = self.tableWidget_order.item(i, j) 56 | item.setTextAlignment(Qt.AlignVCenter | Qt.AlignHCenter) 57 | 58 | def refresh(self): 59 | self.get_orders() 60 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/CanteenWindow.py: -------------------------------------------------------------------------------- 1 | import os 2 | from threading import Thread 3 | 4 | import cv2 as cv 5 | from PyQt5.QtCore import Qt, pyqtSignal 6 | from PyQt5.QtGui import QPixmap, QImage 7 | from PyQt5.QtWidgets import QWidget, QTableWidgetItem, QHeaderView, QGraphicsPixmapItem, QGraphicsScene 8 | from UI.UserCanteenWidget import Ui_Form 9 | from Util.DbUtil import DbUtil 10 | 11 | 12 | class CanteenWindow(Ui_Form, QWidget): 13 | query_done_signal = pyqtSignal(list) 14 | 15 | def __init__(self, canteen_id): 16 | super(CanteenWindow, self).__init__() 17 | self.canteen_id = canteen_id 18 | self.setupUi(self) 19 | self.init_slot() 20 | self.init_data() 21 | self.init_ui() 22 | 23 | def init_slot(self): 24 | self.query_done_signal.connect(self.show_data) 25 | 26 | def init_data(self): 27 | self.get_info() 28 | self.get_data('comment') 29 | self.get_data('top') 30 | 31 | def init_ui(self): 32 | self.tableWidget_comment.setColumnCount(3) 33 | self.tableWidget_comment.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 34 | self.tableWidget_comment.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 35 | self.tableWidget_top.setColumnCount(5) 36 | self.tableWidget_top.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 37 | self.tableWidget_top.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 38 | 39 | def get_info(self): 40 | db = DbUtil() 41 | count, res = db.get_canteen_info(self.canteen_id) 42 | self.label_name.setText(res[0][0]) 43 | self.progressBar.setValue(int(res[0][1] * 20)) 44 | self.label_level.setText(str(round(res[0][1], 1)) + " 分") 45 | paths = res[0][2].split("/") 46 | path = os.path.join(os.getcwd(), paths[-2], paths[-1]) 47 | image = cv.imread(path) 48 | height = image.shape[0] 49 | width = image.shape[1] 50 | frame = QImage(image, width, height, QImage.Format_RGB888) 51 | pix = QPixmap.fromImage(frame) 52 | self.item = QGraphicsPixmapItem(pix) 53 | self.scene = QGraphicsScene() # 创建场景 54 | self.scene.addItem(self.item) 55 | self.graphicsView.setScene(self.scene) 56 | 57 | def show_data(self, raw_data): 58 | datas = raw_data[1] 59 | window = self.tableWidget_comment 60 | if raw_data[2] == 'top': 61 | window = self.tableWidget_top 62 | col_num = len(datas[0]) 63 | row = 0 64 | for data in datas: 65 | if window.rowCount() <= row: 66 | window.insertRow(row) 67 | for i in range(col_num): 68 | item_name = data[i] 69 | if raw_data[2] == 'comment' and i == 1: 70 | item_name = str(item_name) + " 分" 71 | elif raw_data[2] == 'top' and i == 3: 72 | item_name = str(item_name) + " 元" 73 | item = QTableWidgetItem(str(item_name)) 74 | window.setItem(row, i, item) 75 | row = row + 1 76 | for i in range(row): 77 | for j in range(col_num): 78 | item = window.item(i, j) 79 | item.setTextAlignment(Qt.AlignVCenter | Qt.AlignHCenter) 80 | 81 | def get_data(self, tag): 82 | th = Thread(target=self.get_data_th(tag)) 83 | th.start() 84 | 85 | def get_data_th(self, tag): 86 | db = DbUtil() 87 | if tag == 'comment': 88 | count, res = db.get_canteen_comment(self.canteen_id) 89 | else: 90 | count, res = db.get_canteen_top(self.canteen_id) 91 | self.query_done_signal.emit([count, res, tag]) 92 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/LoginWindow.py: -------------------------------------------------------------------------------- 1 | import os 2 | from threading import Thread 3 | 4 | from PyQt5.QtCore import Qt, pyqtSignal 5 | from PyQt5.QtGui import QIcon, QPixmap 6 | from PyQt5.QtWidgets import QMessageBox, QMainWindow 7 | from UI.Login import Ui_LoginWindow 8 | from Util.FuncUtil import * 9 | from Views.RegisterWindow import RegisterWindow 10 | from Util.DbUtil import DbUtil 11 | from Views.UserMainWindow import UserMainWindow 12 | from Views.AdminMainWindow import AdminMainWindow 13 | 14 | NOT_EXISTED = 1 15 | WRONG_PSW = 2 16 | PASS = 3 17 | 18 | 19 | class LoginWindow(Ui_LoginWindow, QMainWindow): 20 | login_done_signal = pyqtSignal(int) 21 | 22 | def __init__(self): 23 | super(LoginWindow, self).__init__() 24 | self.setupUi(self) 25 | self.role = None 26 | self.init_ui() 27 | self.main_window = None 28 | self.register_window = None 29 | self.init_slot() 30 | 31 | def init_ui(self): 32 | icon = QIcon() 33 | icon.addPixmap(QPixmap(os.path.join(os.getcwd(), "Image", "icon.ico")), QIcon.Normal, QIcon.Off) 34 | self.setWindowIcon(icon) 35 | self.setWindowFlags(Qt.WindowCloseButtonHint | Qt.WindowMinimizeButtonHint) 36 | 37 | def init_slot(self): 38 | self.btn_register.clicked.connect(lambda: self.btn_slot('register')) 39 | self.btn_login.clicked.connect(lambda: self.btn_slot('login')) 40 | self.login_done_signal.connect(self.login_handler) 41 | 42 | def btn_slot(self, tag): 43 | 44 | # 注册 45 | if tag == 'register': 46 | self.register_window = RegisterWindow() 47 | self.register_window.show() 48 | self.show() 49 | 50 | # 登录 51 | if tag == 'login': 52 | user_name = self.lineEdit_user_name.text() 53 | user_psw = self.lineEdit_password.text() 54 | if '' in [user_name, user_psw]: 55 | QMessageBox.warning(self, 'Warning', '请输入用户名或密码!', QMessageBox.Yes) 56 | return 57 | if self.radio_admin.isChecked(): 58 | login_th = Thread(target=self.login, args=(user_name, user_psw, True)) 59 | else: 60 | login_th = Thread(target=self.login, args=(user_name, user_psw)) 61 | login_th.start() 62 | 63 | def login(self, username, password, admin=False): 64 | db = DbUtil() 65 | if self.radio_admin.isChecked(): 66 | count, res = db.query(table_name='admin', column_name='admin_name', condition=username) 67 | else: 68 | count, res = db.query(table_name='users', column_name='user_name', condition=username) 69 | if count == 0: 70 | self.login_done_signal.emit(NOT_EXISTED) 71 | return 72 | if get_md5(password) != res[0][2]: 73 | self.login_done_signal.emit(WRONG_PSW) 74 | return 75 | if admin: 76 | self.role = 0 77 | else: 78 | self.role = 1 79 | 80 | self.login_done_signal.emit(PASS) 81 | 82 | def login_handler(self, login_result): 83 | if login_result == NOT_EXISTED: 84 | QMessageBox.warning(self, 'Warning', '用户名不存在,请重试!', QMessageBox.Yes) 85 | return 86 | 87 | if login_result == WRONG_PSW: 88 | QMessageBox.warning(self, 'Warning', '用户名或密码错误!', QMessageBox.Yes) 89 | return 90 | 91 | if login_result == PASS: 92 | username = self.lineEdit_user_name.text() 93 | if self.role: 94 | self.main_window = UserMainWindow(login=self, username=username, role=self.role) 95 | else: 96 | self.main_window = AdminMainWindow(login=self, username=username, role=self.role) 97 | self.main_window.show() 98 | self.close() 99 | 100 | def keyPressEvent(self, QKeyEvent): 101 | if QKeyEvent.key() == Qt.Key_Enter or QKeyEvent.key() == Qt.Key_Return: 102 | self.btn_login.click() 103 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/OrderDetailWindow.py: -------------------------------------------------------------------------------- 1 | import sys 2 | 3 | from PyQt5.QtCore import Qt 4 | from PyQt5.QtWidgets import QWidget, QApplication, QMessageBox 5 | from UI.UserOrderDetailWidget import Ui_Form 6 | from Util.DbUtil import DbUtil 7 | 8 | 9 | class OrderDetailWindow(Ui_Form, QWidget): 10 | def __init__(self, order_id, loc, total, comment, level, status): 11 | super(OrderDetailWindow, self).__init__() 12 | self.order_id = order_id 13 | self.loc = loc 14 | self.total = total 15 | self.comment = comment 16 | self.level = level 17 | self.status = status 18 | self.setupUi(self) 19 | self.init_ui() 20 | self.init_slot() 21 | 22 | def init_slot(self): 23 | self.btn_commit.clicked.connect(self.commit) 24 | self.btn_close.clicked.connect(self.close) 25 | self.horizontalSlider.valueChanged.connect(self.slider) 26 | 27 | def init_ui(self): 28 | if self.status == 0: 29 | self.btn_commit.hide() 30 | self.textEdit_comment.setEnabled(False) 31 | self.textEdit_comment.setPlaceholderText("您的订单正在制作中!") 32 | self.label_6.hide() 33 | self.horizontalSlider.hide() 34 | self.label_level.hide() 35 | elif self.status == 2: 36 | self.btn_commit.hide() 37 | self.horizontalSlider.setEnabled(False) 38 | self.textEdit_comment.setEnabled(False) 39 | self.textEdit_comment.setPlainText(self.comment) 40 | else: 41 | self.btn_commit.show() 42 | self.textEdit_comment.setEnabled(True) 43 | self.horizontalSlider.setValue(self.level) 44 | self.label_level.setText(str(self.level) + "分") 45 | self.lineEdit_order_id.setText(str(self.order_id)) 46 | self.lineEdit_loc.setText(self.loc) 47 | self.lineEdit_total.setText(str(self.total)) 48 | self.setWindowModality(Qt.ApplicationModal) 49 | self.setWindowFlags(Qt.WindowCloseButtonHint) 50 | 51 | def slider(self): 52 | self.level = self.horizontalSlider.value() 53 | self.label_level.setText(str(self.level) + "分") 54 | 55 | def commit(self): 56 | if self.textEdit_comment.toPlainText() == '': 57 | QMessageBox.warning(self, 'Warning', '🙅🏻 ‍请填写评价!', QMessageBox.Yes) 58 | return 59 | db = DbUtil() 60 | commit_data = (self.order_id, self.textEdit_comment.toPlainText(), self.level) 61 | db.add_comment(commit_data) 62 | db.db_commit() 63 | db.instance = None 64 | del db 65 | QMessageBox.information(self, 'Congrats!', '🎉 评论成功!', QMessageBox.Yes) 66 | self.close() 67 | 68 | 69 | if __name__ == '__main__': 70 | app = QApplication(sys.argv) 71 | win = OrderDetailWindow(1, "loc", 12.5) 72 | win.show() 73 | sys.exit(app.exec()) 74 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/RegisterWindow.py: -------------------------------------------------------------------------------- 1 | from PyQt5.QtCore import Qt 2 | from PyQt5.QtWidgets import QMessageBox, QMainWindow 3 | from UI.Register import Ui_RegisterWindow 4 | from Util.DbUtil import DbUtil 5 | from Util.FuncUtil import get_md5 6 | 7 | 8 | class RegisterWindow(Ui_RegisterWindow, QMainWindow): 9 | def __init__(self): 10 | super(RegisterWindow, self).__init__() 11 | self.setupUi(self) 12 | self.init_ui() 13 | self.btn_cancel.clicked.connect(self.cancel) 14 | self.btn_register.clicked.connect(self.register) 15 | 16 | def init_ui(self): 17 | self.btn_register.setMinimumWidth(60) 18 | self.setWindowModality(Qt.ApplicationModal) 19 | self.setWindowFlags(Qt.WindowCloseButtonHint) 20 | 21 | def cancel(self): 22 | self.close() 23 | 24 | def register(self): 25 | username = self.lineEdit_user_name.text() 26 | password = self.lineEdit_password.text() 27 | confirm = self.lineEdit_confirm.text() 28 | if '' in [username, password, confirm]: 29 | QMessageBox.warning(self, 'Warning', '🙅🏻 ‍请填写完整!', QMessageBox.Yes) 30 | return 31 | if len(username) > 16: 32 | QMessageBox.warning(self, 'Warning', '🤯 用户名应小于 16 位!', QMessageBox.Yes) 33 | return 34 | if len(password) > 16: 35 | QMessageBox.warning(self, 'Warning', '🤯 密码应小于 16 位!', QMessageBox.Yes) 36 | return 37 | db = DbUtil() 38 | count, res = db.query(table_name='users', column_name='user_name', condition=username) 39 | if count != 0: 40 | QMessageBox.warning(self, 'Warning', '🤯 用户名已存在!', QMessageBox.Yes) 41 | return 42 | if password != confirm: 43 | QMessageBox.warning(self, 'Error', '🤔 两次输入密码不一致!', QMessageBox.Yes) 44 | return 45 | user_info = [username, get_md5(password)] 46 | db.add_user(user_info) 47 | db.db_commit() 48 | db.instance = None 49 | del db 50 | QMessageBox.warning(self, 'Congrats!', '🎉 注册成功!', QMessageBox.Yes) 51 | self.close() 52 | 53 | def keyPressEvent(self, QKeyEvent): 54 | if QKeyEvent.key() == Qt.Key_Enter or QKeyEvent.key() == Qt.Key_Return: 55 | self.btn_register.click() 56 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/UserAllOrderWindow.py: -------------------------------------------------------------------------------- 1 | from threading import Thread 2 | 3 | from PyQt5.QtCore import pyqtSignal, Qt 4 | from PyQt5.QtWidgets import QWidget, QTableWidgetItem, QHeaderView 5 | from UI.UserAllOrderWidget import Ui_Form 6 | from Views.OrderDetailWindow import OrderDetailWindow 7 | from Util.DbUtil import DbUtil 8 | 9 | 10 | class UserAllOrderWindow(Ui_Form, QWidget): 11 | query_done_signal = pyqtSignal(list) 12 | 13 | def __init__(self, user_name): 14 | super(UserAllOrderWindow, self).__init__() 15 | self.user_name = user_name 16 | self.setupUi(self) 17 | self.init_slot() 18 | self.init_ui() 19 | self.init_data() 20 | self.order_detail_window = None 21 | 22 | def init_ui(self): 23 | self.tableWidget_order.setColumnCount(6) 24 | self.tableWidget_order.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 25 | self.tableWidget_order.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 26 | 27 | def init_slot(self): 28 | self.btn_refresh.clicked.connect(self.get_orders) 29 | self.query_done_signal.connect(self.show_orders) 30 | self.tableWidget_order.doubleClicked.connect(self.commit) 31 | 32 | def init_data(self): 33 | self.get_orders() 34 | 35 | def get_orders(self): 36 | th = Thread(target=self.get_orders_th()) 37 | th.start() 38 | 39 | def get_orders_th(self): 40 | db = DbUtil() 41 | count, res = db.get_user_orders(self.user_name) 42 | self.query_done_signal.emit([count, res]) 43 | 44 | def show_orders(self, res): 45 | orders = res[1] 46 | col_num = len(orders[0]) 47 | row = 0 48 | for order in orders: 49 | if self.tableWidget_order.rowCount() <= row: 50 | self.tableWidget_order.insertRow(row) 51 | for i in range(col_num): 52 | item_name = order[i] 53 | if item_name is None: 54 | item_name = '' 55 | if i == 3: 56 | item_name = str(item_name) + " 元" 57 | if i == 4: 58 | if order[4] == 0: 59 | item_name = "已下单" 60 | elif order[4] == 1: 61 | item_name = "已完成" 62 | item = QTableWidgetItem(str(item_name)) 63 | self.tableWidget_order.setItem(row, i, item) 64 | row = row + 1 65 | for i in range(row): 66 | for j in range(col_num): 67 | item = self.tableWidget_order.item(i, j) 68 | item.setTextAlignment(Qt.AlignVCenter | Qt.AlignHCenter) 69 | 70 | def commit(self): 71 | row = self.tableWidget_order.currentRow() 72 | order_id = self.tableWidget_order.item(row, 0).text() 73 | loc = self.tableWidget_order.item(row, 1).text() 74 | total = self.tableWidget_order.item(row, 3).text() 75 | comment = self.tableWidget_order.item(row, 5).text() 76 | level = 5 77 | if comment != '': 78 | comment = comment.split(" ", 2) 79 | comment = comment[2] 80 | level = self.tableWidget_order.item(row, 5).text() 81 | level = int(level[0]) 82 | status = 1 83 | if self.tableWidget_order.item(row, 4).text() == '已下单': 84 | status = 0 85 | if self.tableWidget_order.item(row, 5).text() != '': 86 | status = 2 87 | 88 | self.order_detail_window = OrderDetailWindow(order_id, loc, total, comment, level, status) 89 | self.order_detail_window.show() 90 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/UserHomeWindow.py: -------------------------------------------------------------------------------- 1 | import time 2 | from threading import Thread 3 | 4 | from PyQt5.QtCore import pyqtSignal, Qt 5 | from PyQt5.QtWidgets import QWidget, QTableWidgetItem, QMessageBox, QHeaderView 6 | from UI.UserHomePageWidget import Ui_HomePageWidget 7 | from Util.DbUtil import DbUtil 8 | 9 | 10 | class UserHomeWindow(Ui_HomePageWidget, QWidget): 11 | query_done_signal = pyqtSignal(list) 12 | 13 | def __init__(self): 14 | super(UserHomeWindow, self).__init__() 15 | self.setupUi(self) 16 | self.time_percent = (int(time.time()) + 28800) % 86400 // 864 17 | self.init_ui() 18 | self.init_slot() 19 | self.get_orders() 20 | 21 | def init_ui(self): 22 | self.progressBar_time.setValue(self.time_percent) 23 | self.time.setText(str(self.time_percent) + '%') 24 | self.tableWidget_prd.setColumnCount(4) 25 | self.tableWidget_prd.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 26 | self.tableWidget_prd.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 27 | 28 | def init_slot(self): 29 | self.btn_refresh.clicked.connect(self.refresh) 30 | self.time.setText(str(self.time_percent) + '%') 31 | self.query_done_signal.connect(self.show_orders) 32 | self.btn_random.clicked.connect(self.random) 33 | 34 | def refresh(self): 35 | self.time_percent = (int(time.time()) + 28800) % 86400 // 864 36 | self.get_orders() 37 | 38 | def get_orders(self): 39 | th = Thread(target=self.get_orders_th()) 40 | th.start() 41 | 42 | def get_orders_th(self): 43 | db = DbUtil() 44 | count, res = db.get_recent_order() 45 | self.query_done_signal.emit([count, res]) 46 | 47 | def show_orders(self, res): 48 | orders = res[1] 49 | col_num = len(orders[0]) 50 | row = 0 51 | for order in orders: 52 | if self.tableWidget_prd.rowCount() <= row: 53 | self.tableWidget_prd.insertRow(row) 54 | for i in range(col_num): 55 | item = QTableWidgetItem(str(order[i])) 56 | self.tableWidget_prd.setItem(row, i, item) 57 | row = row + 1 58 | for i in range(row): 59 | for j in range(col_num): 60 | item = self.tableWidget_prd.item(i, j) 61 | item.setTextAlignment(Qt.AlignVCenter | Qt.AlignHCenter) 62 | 63 | def random(self): 64 | db = DbUtil() 65 | res = db.get_one_prd_randomly() 66 | msg = '🍲 今日菜单\n' \ 67 | '菜品名:{}\n' \ 68 | '介绍:{}\n' \ 69 | '单价:{}\n' \ 70 | '销量:{}\n' \ 71 | 'Enjoy your meal!' \ 72 | .format(res[0][0], res[0][1], res[0][2], res[0][3]) 73 | QMessageBox.information(self, 'Congrats!', msg, QMessageBox.Yes) 74 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/UserMainWindow.py: -------------------------------------------------------------------------------- 1 | from PyQt5.QtWidgets import QMainWindow, QMessageBox 2 | from UI.UserMainWindow import Ui_MainWindow 3 | from Views.UserHomeWindow import UserHomeWindow 4 | from Views.UserAllOrderWindow import UserAllOrderWindow 5 | from Views.CanteenWindow import CanteenWindow 6 | from Views.UserOrderWindow import UserOrderWindow 7 | from Views.AboutWindow import AboutWindow 8 | from Util.Constants import ROLE_MAP 9 | from Util.DbUtil import DbUtil 10 | 11 | 12 | class UserMainWindow(Ui_MainWindow, QMainWindow): 13 | 14 | def __init__(self, login=None, username=None, role=None): 15 | super(UserMainWindow, self).__init__() 16 | self.setupUi(self) 17 | self.is_change_user = False 18 | self.username = username 19 | self.login_win = login 20 | self.role = ROLE_MAP.get(str(role)) 21 | self.store_111 = UserOrderWindow("酸菜鱼") 22 | self.store_112 = UserOrderWindow("西北风味") 23 | self.store_211 = UserOrderWindow("豆花") 24 | self.store_212 = UserOrderWindow("经典小炒") 25 | self.store_221 = UserOrderWindow("东北特色菜") 26 | self.init_slot() 27 | self.init_ui() 28 | 29 | def init_ui(self): 30 | self.pushButton.setMinimumWidth(60) 31 | self.treeWidget.setCurrentIndex(self.treeWidget.model().index(0, 0)) 32 | self.current_username_label.setText(self.username) 33 | self.current_role_label.setText(self.role) 34 | self.stackedWidget.removeWidget(self.page) 35 | self.stackedWidget.removeWidget(self.page_2) 36 | 37 | self.stackedWidget.addWidget(UserHomeWindow()) 38 | self.stackedWidget.addWidget(CanteenWindow(1)) 39 | self.stackedWidget.addWidget(self.store_111) 40 | self.stackedWidget.addWidget(self.store_112) 41 | self.stackedWidget.addWidget(CanteenWindow(2)) 42 | self.stackedWidget.addWidget(self.store_211) 43 | self.stackedWidget.addWidget(self.store_212) 44 | self.stackedWidget.addWidget(self.store_221) 45 | self.stackedWidget.addWidget(UserAllOrderWindow(self.username)) 46 | self.stackedWidget.addWidget(AboutWindow()) 47 | # self.stackedWidget.addWidget(QWidget()) 48 | 49 | def init_slot(self): 50 | self.treeWidget.currentItemChanged.connect(self.item_changed) 51 | self.pushButton.clicked.connect(self.log_out) 52 | self.store_111.btn_commit.clicked.connect(lambda: self.commit(111, self.store_111)) 53 | self.store_112.btn_commit.clicked.connect(lambda: self.commit(112, self.store_112)) 54 | self.store_211.btn_commit.clicked.connect(lambda: self.commit(211, self.store_211)) 55 | self.store_212.btn_commit.clicked.connect(lambda: self.commit(212, self.store_212)) 56 | self.store_221.btn_commit.clicked.connect(lambda: self.commit(221, self.store_221)) 57 | 58 | def item_changed(self): 59 | if self.treeWidget.currentItem().text(0) == '👀 主页': 60 | self.stackedWidget.setCurrentIndex(0) 61 | elif self.treeWidget.currentItem().text(0) == '🏪 荔园一食堂': 62 | self.stackedWidget.setCurrentIndex(1) 63 | elif self.treeWidget.currentItem().text(0) == '🐠 酸菜鱼': 64 | self.stackedWidget.setCurrentIndex(2) 65 | elif self.treeWidget.currentItem().text(0) == '🥗 西北风味': 66 | self.stackedWidget.setCurrentIndex(3) 67 | elif self.treeWidget.currentItem().text(0) == '🏪 荔园二食堂': 68 | self.stackedWidget.setCurrentIndex(4) 69 | elif self.treeWidget.currentItem().text(0) == '🍮 豆花': 70 | self.stackedWidget.setCurrentIndex(5) 71 | elif self.treeWidget.currentItem().text(0) == '🥘 经典小炒': 72 | self.stackedWidget.setCurrentIndex(6) 73 | elif self.treeWidget.currentItem().text(0) == '👨🏻‍🍳 东北菜': 74 | self.stackedWidget.setCurrentIndex(7) 75 | elif self.treeWidget.currentItem().text(0) == '💰 订单管理': 76 | self.stackedWidget.setCurrentIndex(8) 77 | elif self.treeWidget.currentItem().text(0) == '🔍 关于': 78 | self.stackedWidget.setCurrentIndex(9) 79 | 80 | ''' 81 | 步骤分析: 82 | ① 获取 user_id, store_id, total 83 | ② 构造购物车清单列表 84 | ③ 将 ① 和 ② 合成一个列表 85 | ④ 调用 sql, 提交订单 86 | ''' 87 | 88 | def commit(self, store_id, store): 89 | prds = [] 90 | for i in range(store.tableWidget_cart.rowCount()): 91 | prd_id = store.tableWidget_cart.item(i, 0).text() 92 | prds.append(int(prd_id)) 93 | if not prds: 94 | QMessageBox.warning(self, '骚瑞', '🥲 亲亲还没有点餐哦', QMessageBox.Yes) 95 | return 96 | set_prds = set(prds) 97 | if len(set_prds) != len(prds): 98 | QMessageBox.warning(self, '骚瑞', '🥲 检测到重复菜品!\n亲亲我们目前还没有支持重复菜品的点单哦!\n感谢李姐!!!🙇🏼', QMessageBox.Yes) 99 | store.clear() 100 | return 101 | 102 | db = DbUtil() 103 | user_id = db.get_user_id(self.username) 104 | tot = store.lcdNumber_tot.value() 105 | data = [user_id, int(store_id), round(float(tot), 1), prds] 106 | db.add_order(data) 107 | del db 108 | QMessageBox.information(self, '成功辣', '😎 点单成功!\n请友友耐心等待哦!\n记得到\"订单管理\"随时查看状态~', QMessageBox.Yes) 109 | store.clear() 110 | 111 | def log_out(self): 112 | self.is_change_user = True 113 | self.close() 114 | 115 | def closeEvent(self, event): 116 | if self.is_change_user: 117 | reply = QMessageBox.question(self, '尝试确认', '🤔 确定退出当前账号吗?', 118 | QMessageBox.Yes | QMessageBox.No, QMessageBox.No) 119 | else: 120 | reply = QMessageBox.question(self, '试图挽留', '🥺 确定退出系统吗?', 121 | QMessageBox.Yes | QMessageBox.No, QMessageBox.No) 122 | if reply == QMessageBox.Yes: 123 | event.accept() 124 | if self.is_change_user: 125 | self.login_win.show() 126 | else: 127 | event.ignore() 128 | self.is_change_user = False 129 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/UserOrderWindow.py: -------------------------------------------------------------------------------- 1 | from threading import Thread 2 | 3 | from PyQt5.QtCore import pyqtSignal, Qt 4 | from PyQt5.QtWidgets import QWidget, QTableWidgetItem, QHeaderView 5 | from UI.UserOrderWidget import Ui_Form 6 | from Util.DbUtil import DbUtil 7 | 8 | 9 | class UserOrderWindow(Ui_Form, QWidget): 10 | query_done_signal = pyqtSignal(list) 11 | 12 | def __init__(self, store_name): 13 | super(UserOrderWindow, self).__init__() 14 | self.store_name = store_name 15 | self.row = 0 16 | self.tot = 0 17 | self.cart = [] 18 | self.setupUi(self) 19 | self.init_slot() 20 | self.init_ui() 21 | self.init_data() 22 | 23 | def init_ui(self): 24 | self.lcdNumber_tot.display(self.tot) 25 | self.tableWidge_prd.setColumnCount(5) 26 | self.tableWidge_prd.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 27 | self.tableWidge_prd.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 28 | self.tableWidget_cart.setColumnCount(2) 29 | self.tableWidget_cart.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 30 | self.tableWidget_cart.verticalHeader().setSectionResizeMode(QHeaderView.ResizeToContents) 31 | 32 | def init_slot(self): 33 | self.query_done_signal.connect(self.show_prd) 34 | self.tableWidge_prd.doubleClicked.connect(self.add_cart) 35 | self.btn_clear.clicked.connect(self.clear) 36 | 37 | def init_data(self): 38 | th = Thread(target=self.get_prd_th()) 39 | th.start() 40 | 41 | def get_prd_th(self): 42 | db = DbUtil() 43 | count, res = db.get_store_prd(self.store_name) 44 | self.query_done_signal.emit([count, res]) 45 | 46 | def show_prd(self, res): 47 | prds = res[1] 48 | col_num = len(prds[0]) 49 | row = 0 50 | for prd in prds: 51 | if self.tableWidge_prd.rowCount() <= row: 52 | self.tableWidge_prd.insertRow(row) 53 | for i in range(col_num): 54 | item_name = prd[i] 55 | item = QTableWidgetItem(str(item_name)) 56 | self.tableWidge_prd.setItem(row, i, item) 57 | row = row + 1 58 | for i in range(row): 59 | for j in range(col_num): 60 | item = self.tableWidge_prd.item(i, j) 61 | item.setTextAlignment(Qt.AlignVCenter | Qt.AlignHCenter) 62 | 63 | def add_cart(self): 64 | row = self.tableWidge_prd.currentRow() 65 | prd_id = self.tableWidge_prd.item(row, 0).text() 66 | prd_name = self.tableWidge_prd.item(row, 1).text() 67 | prd_price = self.tableWidge_prd.item(row, 3).text() 68 | self.cart.append([prd_id, prd_price]) 69 | self.tot += round(float(prd_price), 1) 70 | 71 | if self.tableWidget_cart.rowCount() <= self.row: 72 | self.tableWidget_cart.insertRow(self.row) 73 | item = QTableWidgetItem(str(prd_id)) 74 | self.tableWidget_cart.setItem(self.row, 0, item) 75 | item = QTableWidgetItem(str(prd_name)) 76 | self.tableWidget_cart.setItem(self.row, 1, item) 77 | item = QTableWidgetItem(str(prd_price)) 78 | self.tableWidget_cart.setItem(self.row, 2, item) 79 | self.lcdNumber_tot.display(self.tot) 80 | 81 | self.row += 1 82 | 83 | def clear(self): 84 | self.cart = [] 85 | self.tot = 0 86 | self.row = 0 87 | self.tableWidget_cart.clearContents() 88 | self.tableWidget_cart.setRowCount(0) 89 | self.lcdNumber_tot.display(0) 90 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/Views/__init__.py: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pinskyrobin/hitsz_database_2021/e6f0663d23c0ef86a09d7fbffda90b3ef38a0e34/Exp4/Exp3_4/Views/__init__.py -------------------------------------------------------------------------------- /Exp4/Exp3_4/main.py: -------------------------------------------------------------------------------- 1 | import sys 2 | from Views.LoginWindow import LoginWindow 3 | from PyQt5.QtWidgets import QApplication 4 | 5 | if __name__ == '__main__': 6 | app = QApplication(sys.argv) 7 | ui = LoginWindow() 8 | ui.show() 9 | sys.exit(app.exec_()) 10 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/requirements.txt: -------------------------------------------------------------------------------- 1 | altgraph==0.17.2 2 | macholib==1.15.2 3 | numpy==1.21.4 4 | opencv-python==4.5.4.58 5 | pyinstaller==4.7 6 | pyinstaller-hooks-contrib==2021.3 7 | PyMySQL==1.0.2 8 | PyQt5==5.15.6 9 | PyQt5-Qt5==5.15.2 10 | PyQt5-sip==12.9.0 11 | PyQt5-stubs==5.15.2.0 12 | -------------------------------------------------------------------------------- /Exp4/Exp3_4/test.py: -------------------------------------------------------------------------------- 1 | from Util.FuncUtil import get_md5 2 | 3 | print(get_md5('admin1')) 4 | print(get_md5('admin2')) 5 | print(get_md5('admin3')) 6 | print(get_md5('admin4')) 7 | print(get_md5('admin5')) 8 | print(get_md5('admin6')) 9 | print(get_md5('admin7')) -------------------------------------------------------------------------------- /Exp5/.idea/.gitignore: -------------------------------------------------------------------------------- 1 | # Default ignored files 2 | /shelf/ 3 | /workspace.xml 4 | # Editor-based HTTP Client requests 5 | /httpRequests/ 6 | # Datasource local storage ignored files 7 | /dataSources/ 8 | /dataSources.local.xml 9 | -------------------------------------------------------------------------------- /Exp5/.idea/Exp5.iml: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /Exp5/.idea/encodings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /Exp5/.idea/inspectionProfiles/Project_Default.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 8 | -------------------------------------------------------------------------------- /Exp5/.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | -------------------------------------------------------------------------------- /Exp5/.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /Exp5/CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required(VERSION 3.20) 2 | project(Exp5 C) 3 | set(CMAKE_C_STANDARD 99) 4 | include_directories("./") 5 | add_library(extmem extmem.c) 6 | 7 | add_executable(exec solution.c utils.h) 8 | 9 | target_link_libraries(exec extmem) 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-------------------------------------------------------------------------------- 1 | 154443815653081234916120425714756661325345155489325 -------------------------------------------------------------------------------- /Exp5/data_bak/25.blk: -------------------------------------------------------------------------------- 1 | 124580315545171394041149492512544501434533126517226 -------------------------------------------------------------------------------- /Exp5/data_bak/26.blk: -------------------------------------------------------------------------------- 1 | 135432715158091544879154554413457101235701122432027 -------------------------------------------------------------------------------- /Exp5/data_bak/27.blk: -------------------------------------------------------------------------------- 1 | 130508312243001355489150570814946501495727154420228 -------------------------------------------------------------------------------- /Exp5/data_bak/28.blk: 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-------------------------------------------------------------------------------- 1 | 129467313144441315516125496912058801484571139444832 -------------------------------------------------------------------------------- /Exp5/data_bak/32.blk: -------------------------------------------------------------------------------- 1 | 146470312640281375623129413013448641434317131480233 -------------------------------------------------------------------------------- /Exp5/data_bak/33.blk: -------------------------------------------------------------------------------- 1 | 135454114946631215071157406413559191235876126482734 -------------------------------------------------------------------------------- /Exp5/data_bak/34.blk: -------------------------------------------------------------------------------- 1 | 127521112552571385706134438015759031385731151473535 -------------------------------------------------------------------------------- /Exp5/data_bak/35.blk: -------------------------------------------------------------------------------- 1 | 138437114147821234150149428714658271494301144427236 -------------------------------------------------------------------------------- /Exp5/data_bak/36.blk: -------------------------------------------------------------------------------- 1 | 146533814348701385573134552414159211304983138569937 -------------------------------------------------------------------------------- /Exp5/data_bak/37.blk: -------------------------------------------------------------------------------- 1 | 126420012643801555605139573715548371584663139567038 -------------------------------------------------------------------------------- /Exp5/data_bak/38.blk: -------------------------------------------------------------------------------- 1 | 129498715946821395456139531412451541514488157551539 -------------------------------------------------------------------------------- /Exp5/data_bak/39.blk: -------------------------------------------------------------------------------- 1 | 130437115140601314567132438314755161395530127592040 -------------------------------------------------------------------------------- /Exp5/data_bak/4.blk: -------------------------------------------------------------------------------- 1 | 11047261334925115439512246751174156125453311649805 -------------------------------------------------------------------------------- /Exp5/data_bak/40.blk: -------------------------------------------------------------------------------- 1 | 159498313357111545457156541014257611455077141418641 -------------------------------------------------------------------------------- /Exp5/data_bak/41.blk: -------------------------------------------------------------------------------- 1 | 135478214547061275163126584212150981274144122460742 -------------------------------------------------------------------------------- /Exp5/data_bak/42.blk: 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-------------------------------------------------------------------------------- 1 | 135555712343621285355138597812653201595140147418047 -------------------------------------------------------------------------------- /Exp5/data_bak/47.blk: -------------------------------------------------------------------------------- 1 | 149478414850661244071132420613953791454579134493448 -------------------------------------------------------------------------------- /Exp5/data_bak/48.blk: -------------------------------------------------------------------------------- 1 | 134540414645741295345126472812547411245826139582949 -------------------------------------------------------------------------------- /Exp5/data_bak/5.blk: -------------------------------------------------------------------------------- 1 | 12140871104463129473211640691164813107425811341426 -------------------------------------------------------------------------------- /Exp5/data_bak/6.blk: 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| 119439211942901074472107454011347251254335128480510 -------------------------------------------------------------------------------- /Exp5/db_exp5/190110105_许峻玮_数据库实验四报告.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pinskyrobin/hitsz_database_2021/e6f0663d23c0ef86a09d7fbffda90b3ef38a0e34/Exp5/db_exp5/190110105_许峻玮_数据库实验四报告.pdf -------------------------------------------------------------------------------- /Exp5/db_exp5/实验五 查询处理算法的模拟实现指导书.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pinskyrobin/hitsz_database_2021/e6f0663d23c0ef86a09d7fbffda90b3ef38a0e34/Exp5/db_exp5/实验五 查询处理算法的模拟实现指导书.pdf -------------------------------------------------------------------------------- /Exp5/db_exp5/实验五 查询处理算法的模拟实现（2021秋）PPT.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pinskyrobin/hitsz_database_2021/e6f0663d23c0ef86a09d7fbffda90b3ef38a0e34/Exp5/db_exp5/实验五 查询处理算法的模拟实现（2021秋）PPT.pdf -------------------------------------------------------------------------------- /Exp5/db_exp5/数据库-实验五报告模板.docx: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pinskyrobin/hitsz_database_2021/e6f0663d23c0ef86a09d7fbffda90b3ef38a0e34/Exp5/db_exp5/数据库-实验五报告模板.docx -------------------------------------------------------------------------------- /Exp5/extmem.c: -------------------------------------------------------------------------------- 1 | /* 2 | * extmem.c 3 | * Zhaonian Zou 4 | * Harbin Institute of Technology 5 | * Jun 22, 2011 6 | */ 7 | 8 | #include 9 | #include 10 | #include 11 | #include "extmem.h" 12 | 13 | Buffer *initBuffer(size_t bufSize, size_t blkSize, Buffer *buf) 14 | { 15 | int i; 16 | 17 | buf->numIO = 0; 18 | buf->bufSize = bufSize; 19 | buf->blkSize = blkSize; 20 | buf->numAllBlk = bufSize / (blkSize + 1); 21 | buf->numFreeBlk = buf->numAllBlk; 22 | buf->data = (unsigned char*)malloc(bufSize * sizeof(unsigned char)); 23 | 24 | if (!buf->data) 25 | { 26 | perror("Buffer Initialization Failed!\n"); 27 | return NULL; 28 | } 29 | 30 | memset(buf->data, 0, bufSize * sizeof(unsigned char)); 31 | return buf; 32 | } 33 | 34 | void freeBuffer(Buffer *buf) 35 | { 36 | free(buf->data); 37 | } 38 | 39 | unsigned char *getNewBlockInBuffer(Buffer *buf) 40 | { 41 | unsigned char *blkPtr; 42 | 43 | if (buf->numFreeBlk == 0) 44 | { 45 | perror("Buffer is full!\n"); 46 | return NULL; 47 | } 48 | 49 | blkPtr = buf->data; 50 | 51 | while (blkPtr < buf->data + (buf->blkSize + 1) * buf->numAllBlk) //在缓冲区范围内找空闲块 52 | { 53 | if (*blkPtr == BLOCK_AVAILABLE) //找到空闲块 54 | break; 55 | else 56 | blkPtr += buf->blkSize + 1; 57 | } 58 | 59 | *blkPtr = BLOCK_UNAVAILABLE; //置状态位为不可用 60 | buf->numFreeBlk--; //置可用块数-1 61 | return blkPtr + 1; //直接返回块的数据区，跳过状态位 62 | } 63 | 64 | void freeBlockInBuffer(unsigned char *blk, Buffer *buf) 65 | { 66 | *(blk - 1) = BLOCK_AVAILABLE; 67 | buf->numFreeBlk++; 68 | } 69 | 70 | int dropBlockOnDisk(unsigned int addr) 71 | { 72 | char filename[40]; 73 | 74 | sprintf(filename, "data/%d.blk", addr); 75 | 76 | if (remove(filename) == -1) 77 | { 78 | perror("Dropping Block Fails!\n"); 79 | return -1; 80 | } 81 | 82 | return 0; 83 | } 84 | 85 | unsigned char *readBlockFromDisk(unsigned int addr, Buffer *buf) 86 | { 87 | char filename[40]; 88 | unsigned char *blkPtr, *bytePtr; 89 | char ch; 90 | 91 | if (buf->numFreeBlk == 0) 92 | { 93 | perror("Buffer Overflows!\n"); 94 | return NULL; 95 | } 96 | 97 | blkPtr = buf->data; 98 | 99 | while (blkPtr < buf->data + (buf->blkSize + 1) * buf->numAllBlk) //找到一个可用块 100 | { 101 | if (*blkPtr == BLOCK_AVAILABLE) //找到一个可用块 102 | break; 103 | else 104 | blkPtr += buf->blkSize + 1; 105 | } 106 | 107 | sprintf(filename, "data/%d.blk", addr); 108 | FILE *fp = fopen(filename, "r"); 109 | 110 | if (!fp) 111 | { 112 | perror("Reading Block Failed!\n"); 113 | return NULL; 114 | } 115 | 116 | *blkPtr = BLOCK_UNAVAILABLE; 117 | blkPtr++; //指向块的数据位 118 | bytePtr = blkPtr; 119 | 120 | while (bytePtr < blkPtr + buf->blkSize) 121 | { 122 | ch = fgetc(fp); 123 | *bytePtr = ch; 124 | bytePtr++; 125 | } 126 | 127 | fclose(fp); 128 | buf->numFreeBlk--; 129 | buf->numIO++; 130 | return blkPtr; 131 | } 132 | 133 | int writeBlockToDisk(unsigned char *blkPtr, unsigned int addr, Buffer *buf) 134 | { 135 | char filename[40]; 136 | unsigned char *bytePtr; 137 | 138 | sprintf(filename, "data/%d.blk", addr); 139 | FILE *fp = fopen(filename, "w"); 140 | 141 | if (!fp) 142 | { 143 | perror("Writing Block Failed!\n"); 144 | return -1; 145 | } 146 | 147 | for (bytePtr = blkPtr; bytePtr < blkPtr + buf->blkSize; bytePtr++) 148 | fputc((int)(*bytePtr), fp); 149 | 150 | fclose(fp); 151 | *(blkPtr - 1) = BLOCK_AVAILABLE; //重新将块置为可用，特别要注意这里 152 | buf->numFreeBlk++; 153 | buf->numIO++; 154 | return 0; 155 | } 156 | -------------------------------------------------------------------------------- /Exp5/extmem.h: -------------------------------------------------------------------------------- 1 | /* 2 | * extmem.h 3 | * Zhaonian Zou 4 | * Harbin Institute of Technology 5 | * Jun 22, 2011 6 | */ 7 | 8 | #ifndef EXTMEM_H 9 | #define EXTMEM_H 10 | 11 | #define BLOCK_AVAILABLE 0 12 | #define BLOCK_UNAVAILABLE 1 13 | 14 | typedef struct tagBuffer { 15 | unsigned long numIO; /* Number of IO's*/ 16 | size_t bufSize; /* Buffer size*/ 17 | size_t blkSize; /* Block size */ 18 | size_t numAllBlk; /* Number of blocks that can be kept in the buffer */ 19 | size_t numFreeBlk; /* Number of available blocks in the buffer */ 20 | unsigned char *data; /* Starting address of the buffer */ 21 | } Buffer; 22 | 23 | /* Initialize a buffer with the specified buffer size and block size. 24 | * If the initialization fails, the return value is NULL; 25 | * otherwise the pointer to the buffer. 26 | */ 27 | Buffer *initBuffer(size_t bufSize, size_t blkSize, Buffer *buf); 28 | 29 | /* Free the memory used by a buffer. */ 30 | void freeBuffer(Buffer *buf); 31 | 32 | /* Apply for a new block from a buffer. 33 | * If no free blocks are available in the buffer, 34 | * then the return value is NULL; otherwise the pointer to the block. 35 | */ 36 | unsigned char *getNewBlockInBuffer(Buffer *buf); 37 | 38 | /* Set a block in a buffer to be available. */ 39 | void freeBlockInBuffer(unsigned char *blk, Buffer *buf); 40 | 41 | /* Drop a block on the disk */ 42 | int dropBlockOnDisk(unsigned int addr); 43 | 44 | /* Read a block from the hard disk to the buffer by the address of the block. */ 45 | unsigned char *readBlockFromDisk(unsigned int addr, Buffer *buf); 46 | 47 | /* Read a block in the buffer to the hard disk by the address of the block. */ 48 | int writeBlockToDisk(unsigned char *blkPtr, unsigned int addr, Buffer *buf); 49 | 50 | #endif // EXTMEM_H 51 | -------------------------------------------------------------------------------- /Exp5/utils.h: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include "extmem.h" 4 | #include 5 | typedef struct tuple { 6 | int a; 7 | int b; 8 | } tuple; 9 | 10 | void int2str(unsigned char *dst, int a) { 11 | int len; 12 | int base; 13 | if (a == 0) { 14 | len = 0; 15 | base = 0; 16 | } else if (a < 10) { 17 | len = 1; 18 | base = 1; 19 | } else if (a < 100){ 20 | len = 2; 21 | base = 10; 22 | } else if (a < 1000){ 23 | len = 3; 24 | base = 100; 25 | } else { 26 | len = 4; 27 | base = 1000; 28 | } 29 | for (int i = 0; i < len; i++) { 30 | dst[i] = a / base + '0'; 31 | a %= base; 32 | base /= 10; 33 | } 34 | for (int i = len; i < 4; i++) { 35 | dst[i] = 0; 36 | } 37 | } 38 | 39 | int str2int(const unsigned char *src) { 40 | char str[5]; 41 | str[4] = 0; 42 | for (int k = 0; k < 4; k++) { 43 | str[k] = *(src + k); 44 | } 45 | return atoi(str); 46 | } 47 | 48 | tuple get(const unsigned char *blk, int index) { 49 | int i; 50 | tuple t; 51 | t.a = 0; 52 | t.b = 0; 53 | char first[4], second[4]; 54 | for (i = 0; i < 4; i++) { 55 | first[i] = *(blk + index * 8 + i); 56 | second[i] = *(blk + index * 8 + 4 + i); 57 | } 58 | t.a = str2int(first); 59 | t.b = str2int(second); 60 | return t; 61 | } 62 | 63 | void set_from_blk(const unsigned char *blk, unsigned char *res_blk, int blk_idx, int res_blk_idx) { 64 | int i; 65 | for (i = 0; i < 8; i++) { 66 | *(res_blk + res_blk_idx * 8 + i) = *(blk + blk_idx * 8 + i); 67 | } 68 | } 69 | 70 | void set_from_tuple(unsigned char *blk, int index, tuple t) { 71 | int i; 72 | 73 | int a = t.a; 74 | int b = t.b; 75 | unsigned char str_a[4], str_b[4]; 76 | int2str(str_a, a); 77 | int2str(str_b, b); 78 | 79 | for (i = 0; i < 4; i++) { 80 | *(blk + index * 8 + i) = str_a[i]; 81 | } 82 | for (i = 4; i < 8; i++) { 83 | *(blk + index * 8 + i) = str_b[i - 4]; 84 | } 85 | 86 | } 87 | 88 | void write(unsigned char *res_blk, Buffer *buf, int *output) { 89 | tuple t = {*output + 1, 0}; 90 | set_from_tuple(res_blk, 7, t); 91 | if (writeBlockToDisk(res_blk, *output, buf) != 0){ 92 | perror("Writing Block Failed!\n"); 93 | return ; 94 | } 95 | printf("结果写入磁盘:%d\n", *output); 96 | *output = *output + 1; 97 | memset(res_blk, 0, 64); 98 | } 99 | 100 | void write_tuple(unsigned char *res_blk, int *index, tuple t, Buffer *buf, int *res_blk_num) { 101 | set_from_tuple(res_blk, (*index)++, t); 102 | if (*index == 7) { 103 | write(res_blk, buf, res_blk_num); 104 | freeBlockInBuffer(res_blk, buf); 105 | res_blk = getNewBlockInBuffer(buf); 106 | memset(res_blk, 0, 64); 107 | *index = 0; 108 | } 109 | } 110 | 111 | void inner_sort(int start, int end, Buffer *buf) { 112 | // 每一组的磁盘块数(最后一组很可能不为6) 113 | int blk_cnt; 114 | 115 | unsigned char *blk; 116 | unsigned char *blks[6]; 117 | // 组数 118 | int group_num = (end - start) / 6 + 1; 119 | 120 | // 当前处理的磁盘块号 121 | int curr_blk_num = start; 122 | // 写回时的磁盘块号 123 | int write_blk_num = start; 124 | 125 | // 待比较两元组的所属磁盘块号和块内索引 126 | // tuple_of_blk_num 取值范围 : [0, 6] 127 | // tuple_idx 取值范围 : [0, 6] 128 | int tuple_of_blk_num1, tuple_idx1; 129 | int tuple_of_blk_num2, tuple_idx2; 130 | 131 | // 分别存放冒泡排序中两个要比较的数 132 | tuple a, b; 133 | 134 | // 分组排序 135 | for (int i = 0; i < group_num; i++) { 136 | blk_cnt = 0; 137 | for (; blk_cnt < 6 && curr_blk_num <= end; curr_blk_num++, blk_cnt++) { 138 | blks[blk_cnt] = readBlockFromDisk(curr_blk_num, buf); 139 | } 140 | for (int j = 0; j < blk_cnt * 7 - 1; j++) { 141 | tuple_of_blk_num1 = j / 7; 142 | tuple_idx1 = j % 7; 143 | for (int k = j + 1; k < blk_cnt * 7; k++) { 144 | tuple_of_blk_num2 = k / 7; 145 | tuple_idx2 = k % 7; 146 | a = get(blks[tuple_of_blk_num1], tuple_idx1); 147 | b = get(blks[tuple_of_blk_num2], tuple_idx2); 148 | if (a.a > b.a) { 149 | set_from_tuple(blks[tuple_of_blk_num1], tuple_idx1, b); 150 | set_from_tuple(blks[tuple_of_blk_num2], tuple_idx2, a); 151 | } 152 | } 153 | } 154 | 155 | // 数据写回 156 | for (int l = 0; l < blk_cnt; l++) { 157 | blk = blks[l]; 158 | write(blk, buf, &write_blk_num); 159 | } 160 | } 161 | } 162 | 163 | --------------------------------------------------------------------------------