26 | 购物车
27 |
28 |
29 |
30 |
31 |
32 |
72 |
73 |
74 | | 商品 | 33 |商品名称 | 34 |价格 | 35 |36 | | 数目 | 37 |38 | 39 | 40 | <% 41 | double sum = 0; 42 | for (String key : idproductmap.keySet()) { 43 | Product product = idproductmap.get(key); 44 | int book_num = idnummap.get(key); 45 | sum += product.getBook_price() * book_num; 46 | DecimalFormat df = new DecimalFormat("#.00"); 47 | sum = Double.parseDouble(df.format(sum)); 48 | %> 49 | |
|---|---|---|---|---|---|
 |
51 | <%=product.getBook_name()%> | 52 |<%=product.getBook_price()%> | 53 |54 | 58 | | 59 |<%=book_num%> | 60 |61 | 65 | | 66 |
75 |
78 |
79 |
80 | 合计： <%=sum%>
81 |
84 |
85 |
86 |
87 |
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/out/artifacts/BookStore_war_exploded/checkout.jsp:
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1 | <%--
2 | Created by IntelliJ IDEA.
3 | User: StarryZB
4 | Date: 2017/11/11
5 | Time: 22:50
6 | To change this template use File | Settings | File Templates.
7 | --%>
8 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
9 |
10 |
11 |
15 | 扫一扫
16 |
17 |
18 |
19 |
20 |
21 |
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/out/artifacts/BookStore_war_exploded/image/book.png:
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https://raw.githubusercontent.com/StarryZB/BookStore/17127745f5861754c244ee1d2b56adf6995cf300/out/artifacts/BookStore_war_exploded/image/book.png
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/out/artifacts/BookStore_war_exploded/image/checkout.png:
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https://raw.githubusercontent.com/StarryZB/BookStore/17127745f5861754c244ee1d2b56adf6995cf300/out/artifacts/BookStore_war_exploded/image/checkout.png
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/out/artifacts/BookStore_war_exploded/index.jsp:
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1 | <%@ page import="com.servlet.LoginServlet" %><%--
2 | Created by IntelliJ IDEA.
3 | User: StarryZB
4 | Date: 2017/11/3
5 | Time: 17:19
6 | To change this template use File | Settings | File Templates.
7 | --%>
8 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
9 |
10 |
11 |
12 |
13 |
14 | 16 |
17 |
18 |
46 |
52 |
53 |
54 |
55 |
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/out/artifacts/BookStore_war_exploded/product.jsp:
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1 | <%@ page import="java.util.List" %>
2 | <%@ page import="com.entity.Product" %>
3 | <%@ page import="java.util.Iterator" %>
4 | <%@ page import="java.util.ArrayList" %>
5 | <%@ page import="com.entity.User" %><%--
6 | Created by IntelliJ IDEA.
7 | User: StarryZB
8 | Date: 2017/11/3
9 | Time: 20:04
10 | To change this template use File | Settings | File Templates.
11 | --%>
12 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
13 |
14 |
15 |
16 |
17 |
18 |
25 | 欢迎用户：<%=user.getName()%>
26 |
27 |
28 |
29 |
42 |
43 |
44 |
45 |
46 |
47 |
75 |
76 |
77 | <%
78 | int lastbegin = (int) request.getAttribute("begin") - 7;
79 | int nextbegin = (int) request.getAttribute("begin") + 7;
80 | int lastpagenum = lastbegin / 7;
81 | int nextpagenum = nextbegin / 7;
82 | %>
83 |
84 | | 商品 | 48 |商品名称 | 49 |价格 | ' 50 |买买买 | 51 | 52 | 53 | <% 54 | List
|---|---|---|---|
|
61 | <%=product.getBook_name()%> | 62 |<%=product.getBook_price()%> | 63 |64 | 68 | | 69 |
85 |
88 |
89 |
90 |
91 | <%
92 | if (lastpagenum < 0) {
93 | %>
94 |
134 |
135 |
136 |
137 |
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/src/com/dao/DBUtil.java:
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1 | package com.dao;
2 |
3 | import java.sql.*;
4 |
5 | /**
6 | * Created by StarryZB on 2017/11/3.
7 | * 数据库工具类
8 | */
9 | public class DBUtil {
10 | private static final String driver = "com.mysql.jdbc.Driver"; //数据库驱动
11 | private static final String url="jdbc:mysql://localhost:3306/bookstore";//连接数据库的URL地址
12 | private static final String username="root";//数据库的用户名
13 | private static final String password="123456";//数据库的密码
14 |
15 |
16 | public static Connection getConn() {
17 | Connection conn = null;
18 | try {
19 | Class.forName(driver);
20 | } catch (ClassNotFoundException e) {
21 | e.printStackTrace();
22 | System.out.println("找不到驱动类");
23 | }
24 | try {
25 | conn = DriverManager.getConnection(url,username,password);
26 | } catch (SQLException e) {
27 | e.printStackTrace();
28 | System.out.println("连接失败");
29 | }
30 | return conn;
31 | }
32 | public static Statement createStmt(Connection conn) {
33 | Statement stmt = null;
34 | try {
35 | stmt = conn.createStatement();
36 | } catch (SQLException e) {
37 | e.printStackTrace();
38 | }
39 | return stmt;
40 | }
41 | public static ResultSet executeQuery(Statement stmt, String sql) {
42 | ResultSet rs = null;
43 | try {
44 | rs = stmt.executeQuery(sql);
45 | } catch (SQLException e) {
46 | e.printStackTrace();
47 | }
48 | return rs;
49 | }
50 | public static void closers(ResultSet rs) {
51 | if (rs != null) {
52 | try {
53 | rs.close();
54 | } catch (SQLException e) {
55 | e.printStackTrace();
56 | }
57 | }
58 | }
59 | public static void closestmt(Statement stmt) {
60 | if (stmt != null) {
61 | try {
62 | stmt.close();
63 | } catch (SQLException e) {
64 | e.printStackTrace();
65 | }
66 | }
67 | }
68 | public static void closeconn(Connection conn) {
69 | if (conn != null) {
70 | try {
71 | conn.close();
72 | } catch (SQLException e) {
73 | e.printStackTrace();
74 | }
75 | }
76 | }
77 | }
78 |
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/src/com/dao/ProductDao.java:
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1 | package com.dao;
2 |
3 | import com.entity.Product;
4 |
5 | import java.sql.*;
6 | import java.util.ArrayList;
7 | import java.util.List;
8 |
9 | /**
10 | * Created by StarryZB on 2017/11/3.
11 | * 数据库封装
12 | */
13 | public class ProductDao {
14 |
15 | public List
95 |
98 |
99 | <%
100 | } else {
101 | %>
102 |
103 |
108 |
109 | <%
110 | }
111 | %>
112 | <%
113 | if (nextpagenum > 2) {
114 | %>
115 |
116 |
119 |
120 | <%
121 | } else {
122 | %>
123 |
124 |
129 |
130 | <%
131 | }
132 | %>
133 |
26 | 购物车
27 |
28 |
29 |
30 |
31 |
32 |
72 |
73 |
74 | | 商品 | 33 |商品名称 | 34 |价格 | 35 |36 | | 数目 | 37 |38 | 39 | 40 | <% 41 | double sum = 0; 42 | for (String key : idproductmap.keySet()) { 43 | Product product = idproductmap.get(key); 44 | int book_num = idnummap.get(key); 45 | sum += product.getBook_price() * book_num; 46 | DecimalFormat df = new DecimalFormat("#.00"); 47 | sum = Double.parseDouble(df.format(sum)); 48 | %> 49 | |
|---|---|---|---|---|---|
|
51 | <%=product.getBook_name()%> | 52 |<%=product.getBook_price()%> | 53 |54 | 58 | | 59 |<%=book_num%> | 60 |61 | 65 | | 66 |
75 |
78 |
79 |
80 | 合计： <%=sum%>
81 |
84 |
85 |
86 |
87 |
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/web/checkout.jsp:
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1 | <%--
2 | Created by IntelliJ IDEA.
3 | User: StarryZB
4 | Date: 2017/11/11
5 | Time: 22:50
6 | To change this template use File | Settings | File Templates.
7 | --%>
8 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
9 |
10 |
11 |
15 | 扫一扫
16 |
17 |
18 |
19 |
20 |
21 |
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/web/image/book.png:
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https://raw.githubusercontent.com/StarryZB/BookStore/17127745f5861754c244ee1d2b56adf6995cf300/web/image/book.png
--------------------------------------------------------------------------------
/web/image/checkout.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/StarryZB/BookStore/17127745f5861754c244ee1d2b56adf6995cf300/web/image/checkout.png
--------------------------------------------------------------------------------
/web/index.jsp:
--------------------------------------------------------------------------------
1 | <%@ page import="com.servlet.LoginServlet" %><%--
2 | Created by IntelliJ IDEA.
3 | User: StarryZB
4 | Date: 2017/11/3
5 | Time: 17:19
6 | To change this template use File | Settings | File Templates.
7 | --%>
8 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
9 |
10 |
11 |
12 |
13 |
14 | 16 |
17 |
18 |
46 |
52 |
53 |
54 |
55 |
--------------------------------------------------------------------------------
/web/product.jsp:
--------------------------------------------------------------------------------
1 | <%@ page import="java.util.List" %>
2 | <%@ page import="com.entity.Product" %>
3 | <%@ page import="java.util.Iterator" %>
4 | <%@ page import="java.util.ArrayList" %>
5 | <%@ page import="com.entity.User" %><%--
6 | Created by IntelliJ IDEA.
7 | User: StarryZB
8 | Date: 2017/11/3
9 | Time: 20:04
10 | To change this template use File | Settings | File Templates.
11 | --%>
12 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
13 |
14 |
15 |
16 |
17 |
18 |
25 | 欢迎用户：<%=user.getName()%>
26 |
27 |
28 |
29 |
42 |
43 |
44 |
45 |
46 |
47 |
75 |
76 |
77 | <%
78 | int lastbegin = (int) request.getAttribute("begin") - 7;
79 | int nextbegin = (int) request.getAttribute("begin") + 7;
80 | int lastpagenum = lastbegin / 7;
81 | int nextpagenum = nextbegin / 7;
82 | %>
83 |
84 | | 商品 | 48 |商品名称 | 49 |价格 | ' 50 |买买买 | 51 | 52 | 53 | <% 54 | List
|---|---|---|---|
|
61 | <%=product.getBook_name()%> | 62 |<%=product.getBook_price()%> | 63 |64 | 68 | | 69 |
85 |
88 |
89 |
90 |
91 | <%
92 | if (lastpagenum < 0) {
93 | %>
94 |
134 |
135 |
136 |
137 |
--------------------------------------------------------------------------------
95 |
98 |
99 | <%
100 | } else {
101 | %>
102 |
103 |
108 |
109 | <%
110 | }
111 | %>
112 | <%
113 | if (nextpagenum > 2) {
114 | %>
115 |
116 |
119 |
120 | <%
121 | } else {
122 | %>
123 |
124 |
129 |
130 | <%
131 | }
132 | %>
133 |