├── qrcode.jpg
├── README.md
├── .gitignore
├── data_viewer.py
├── lianjia_crawler.py
└── LICENSE


/qrcode.jpg:
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https://raw.githubusercontent.com/Python3Spiders/LianJiaSpider/HEAD/qrcode.jpg


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/README.md:
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 1 | 
 2 | <p align="center">
 3 |   <img src="https://img.shields.io/badge/requests--green.svg"></a>
 4 |   <img src="https://img.shields.io/badge/threadpool--red.svg"></a>
 5 |   <img src="https://img.shields.io/badge/matplotlib--blue.svg"></a>
 6 |   <img src="https://img.shields.io/badge/pyquery--yellow.svg"></a>
 7 | </p>
 8 | 
 9 | # 项目简介
10 | 
11 | 一个基于分页、线程池、代理池的链家网快速爬虫项目，速度可达 10000 条/5 分钟，严禁将所得数据商用！
12 | 
13 | 同时对数据进行了清洗、分析、可视化。
14 | 
15 | 欢迎提 issue,共同改进本项目！
16 | 
17 | # 作者简介
18 | 
19 | 
20 | |作者|[inspurer](https://inspurer.github.io/2018/06/07/%E6%9C%88%E5%B0%8F%E6%B0%B4%E9%95%BF%E7%9A%84%E7%94%B1%E6%9D%A5/#more)|
21 | |:---:|:---:|
22 | |QQ交流群|[861016679](https://jq.qq.com/?_wv=1027&k=5Js6sKS)|
23 | |个人博客|[https://inspurer.github.io/](https://inspurer.github.io/)|
24 | 
25 | 
26 | 更多精彩请关注公众号，微信扫描下方二维码或者在微信内搜索 **微信公众号：月小水长（ID:inspurer)**；
27 | 
28 | <p align="center">
29 |   <img src="qrcode.jpg"></a>
30 | </p>
31 | 


--------------------------------------------------------------------------------
/.gitignore:
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  1 | # Byte-compiled / optimized / DLL files
  2 | __pycache__/
  3 | *.py[cod]
  4 | *$py.class
  5 | 
  6 | # C extensions
  7 | *.so
  8 | 
  9 | # Distribution / packaging
 10 | .Python
 11 | build/
 12 | develop-eggs/
 13 | dist/
 14 | downloads/
 15 | eggs/
 16 | .eggs/
 17 | lib/
 18 | lib64/
 19 | parts/
 20 | sdist/
 21 | var/
 22 | wheels/
 23 | *.egg-info/
 24 | .installed.cfg
 25 | *.egg
 26 | MANIFEST
 27 | 
 28 | # PyInstaller
 29 | #  Usually these files are written by a python script from a template
 30 | #  before PyInstaller builds the exe, so as to inject date/other infos into it.
 31 | *.manifest
 32 | *.spec
 33 | 
 34 | # Installer logs
 35 | pip-log.txt
 36 | pip-delete-this-directory.txt
 37 | 
 38 | # Unit test / coverage reports
 39 | htmlcov/
 40 | .tox/
 41 | .coverage
 42 | .coverage.*
 43 | .cache
 44 | nosetests.xml
 45 | coverage.xml
 46 | *.cover
 47 | .hypothesis/
 48 | .pytest_cache/
 49 | 
 50 | # Translations
 51 | *.mo
 52 | *.pot
 53 | 
 54 | # Django stuff:
 55 | *.log
 56 | local_settings.py
 57 | db.sqlite3
 58 | 
 59 | # Flask stuff:
 60 | instance/
 61 | .webassets-cache
 62 | 
 63 | # Scrapy stuff:
 64 | .scrapy
 65 | 
 66 | # Sphinx documentation
 67 | docs/_build/
 68 | 
 69 | # PyBuilder
 70 | target/
 71 | 
 72 | # Jupyter Notebook
 73 | .ipynb_checkpoints
 74 | 
 75 | # pyenv
 76 | .python-version
 77 | 
 78 | # celery beat schedule file
 79 | celerybeat-schedule
 80 | 
 81 | # SageMath parsed files
 82 | *.sage.py
 83 | 
 84 | # Environments
 85 | .env
 86 | .venv
 87 | env/
 88 | venv/
 89 | ENV/
 90 | env.bak/
 91 | venv.bak/
 92 | 
 93 | # Spyder project settings
 94 | .spyderproject
 95 | .spyproject
 96 | 
 97 | # Rope project settings
 98 | .ropeproject
 99 | 
100 | # mkdocs documentation
101 | /site
102 | 
103 | # mypy
104 | .mypy_cache/
105 | 


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/data_viewer.py:
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 1 | # -*- coding: utf-8 -*-
 2 | # author:           inspurer(月小水长)
 3 | # pc_type           lenovo
 4 | # create_date:      2019/2/27
 5 | # file_name:        data_viewer.py
 6 | # github            https://github.com/inspurer
 7 | # qq_mail           2391527690@qq.com
 8 | 
 9 | import json
10 | import matplotlib.pyplot as plt
11 | import matplotlib
12 | # 设置中文字体和负号正常显示
13 | matplotlib.rcParams['font.sans-serif'] = ['SimHei']
14 | matplotlib.rcParams['axes.unicode_minus'] = False
15 | def load_data():
16 |     global data,dic_data
17 |     with open("xm.json","r",encoding="utf-8") as f:
18 |         str = f.read()
19 |         data = json.loads(str)
20 |     dic_data = dict()
21 |     for i in range(len(data)):
22 |         per_price = (int)(data[i].get("price"))
23 |         region = data[i].get("area")
24 |         # print(per_price,region)
25 |         try:
26 |             dic_data[region].append(per_price)
27 |         except:
28 |             dic_data[region] = [per_price]
29 |     print(dic_data)
30 | 
31 | def split_data():
32 |     global region_data
33 |     region_data = dict()
34 |     for region in dic_data.keys():
35 |         # 最大值、最小值、平均值
36 |         region_data[region] = {"max":dic_data[region][0],"min":dic_data[region][0],"average":0}
37 |         for per_price in dic_data[region]:
38 |             if per_price > region_data[region]["max"]:
39 |                 region_data[region]["max"] = per_price
40 |             if per_price < region_data[region]["min"]:
41 |                 region_data[region]["min"] = per_price
42 |             region_data[region]["average"] += per_price
43 |         region_data[region]["average"] /= len(dic_data[region])
44 |         # 保留两位小数
45 |         region_data[region]["average"] = round(region_data[region]["average"],2)
46 |     print(region_data)
47 | 
48 | def data_viewer():
49 |     label_list = region_data.keys()  # 横坐标刻度显示值
50 |     max = []
51 |     min = []
52 |     average = []
53 |     for label in label_list:
54 |         max.append(region_data[label].get("max"))
55 |         min.append(region_data[label].get("min"))
56 |         average.append(region_data[label].get("average"))
57 |     x = range(len(max))
58 |     """
59 |     绘制条形图
60 |     left: 长条形中点横坐标
61 |     height: 长条形高度
62 |     width: 长条形宽度，默认值0
63 |     .8
64 |     label: 为后面设置legend准备
65 |     """
66 |     rects1 = plt.bar(x=x, height=max, width=0.25, alpha=0.8, color='red', label="最大值")
67 |     rects2 = plt.bar(x=[i + 0.25 for i in x], height=average, width=0.25, color='green', label="平均值")
68 |     rects3 = plt.bar(x=[i + 0.5 for i in x], height=min, width=0.25, color='blue', label="最小值")
69 |     #plt.ylim(0, 50) # y轴取值范围
70 |     plt.ylabel("房价/元")
71 |     """
72 |     设置x轴刻度显示值
73 |     参数一：中点坐标
74 |     参数二：显示值
75 |     """
76 |     plt.xticks([index + 0.25 for index in x], label_list)
77 |     plt.xlabel("区")
78 |     plt.title("厦门二手房价格分析图")
79 |     plt.legend() # 设置题注 # 编辑文本
80 |     for rect in rects1:
81 |         height = rect.get_height()
82 |         plt.text(rect.get_x() + rect.get_width() / 2, height+1, str(height), ha="center", va="bottom")
83 |     for rect in rects2:
84 |         height = rect.get_height()
85 |         plt.text(rect.get_x() + rect.get_width() / 2, height + 1, str(height), ha="center", va="bottom")
86 |     for rect in rects3:
87 |         height = rect.get_height()
88 |         plt.text(rect.get_x() + rect.get_width() / 2, height + 1, str(height), ha="center", va="bottom")
89 |     plt.show()
90 | 
91 | def main():
92 |     load_data()
93 |     split_data()
94 |     data_viewer()
95 | 
96 | if __name__ == '__main__':
97 |     main()
98 | 


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/lianjia_crawler.py:
--------------------------------------------------------------------------------
  1 | # -*- coding: utf-8 -*-
  2 | # author:           inspurer(月小水长)
  3 | # pc_type           lenovo
  4 | # create_date:      2019/2/27
  5 | # file_name:        lianjia_crawler.py
  6 | # github            https://github.com/inspurer
  7 | # qq_mail           2391527690@qq.com
  8 | 
  9 | import requests
 10 | 
 11 | from concurrent.futures import ThreadPoolExecutor
 12 | 
 13 | from pyquery import PyQuery as pq
 14 | 
 15 | import json
 16 | 
 17 | import threading
 18 | 
 19 | 
 20 | import time
 21 | 
 22 | 
 23 | def get_list_page_url(city):
 24 | 
 25 |     start_url = "https://{}.lianjia.com/ershoufang".format(city)
 26 |     headers =  {
 27 |         'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36',
 28 |     }
 29 |     try:
 30 |         response = requests.get(start_url, headers=headers)
 31 |         # print(response.status_code, response.text)
 32 |         doc = pq(response.text)
 33 |         total_num =  int(doc(".resultDes .total span").text())
 34 |         total_page = total_num // 30 + 1
 35 |         # 只能访问到前一百页
 36 |         if total_page > 100:
 37 |             total_page = 100
 38 | 
 39 |         page_url_list = list()
 40 | 
 41 |         for i in range(total_page):
 42 |             url = start_url + "/pg" + str(i + 1) + "/"
 43 |             page_url_list.append(url)
 44 |             #print(url)
 45 |         return page_url_list
 46 | 
 47 |     except:
 48 |         print("获取总套数出错,请确认起始URL是否正确")
 49 |         return None
 50 | 
 51 | 
 52 | detail_list = list()
 53 | 
 54 | # 需要先在本地开启代理池
 55 | # 代理池仓库: https://github.com/Python3WebSpider/ProxyPool
 56 | def get_valid_ip():
 57 |     url = "http://localhost:5000/get"
 58 |     try:
 59 |         ip = requests.get(url).text
 60 |         return ip
 61 |     except:
 62 |         print("请先运行代理池")
 63 | 
 64 | 
 65 | def get_detail_page_url(page_url):
 66 |     global detail_list
 67 |     headers =  {
 68 |         'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36',
 69 |         'Referer': 'https://bj.lianjia.com/ershoufang'
 70 |     }
 71 | 
 72 |     try:
 73 |         response = requests.get(page_url,headers=headers,timeout=3)
 74 |         doc = pq(response.text)
 75 |         # broswer.get(page_url)
 76 |         # print(page_url)
 77 |         # doc = pq(broswer.page_source)
 78 |         i = 0
 79 |         detail_urls = list()
 80 |         for item in doc(".sellListContent li").items():
 81 |             i += 1
 82 |             if i == 31:
 83 |                 break
 84 |             child_item = item(".noresultRecommend")
 85 |             if child_item == None:
 86 |                 i -= 1
 87 |             detail_url = child_item.attr("href")
 88 |             detail_urls.append(detail_url)
 89 |         return detail_urls
 90 |     except:
 91 |         print("获取列表页" + page_url + "出错")
 92 | 
 93 | lock = threading.Lock()
 94 | 
 95 | def detail_page_parser(res):
 96 |     global detail_list
 97 |     detail_urls = res.result()
 98 |     if not detail_urls:
 99 |         print("detail url 为空")
100 |         return None
101 |     headers =  {
102 |         'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36',
103 |         'Referer': 'https://bj.lianjia.com/ershoufang'
104 |     }
105 |     for detail_url in detail_urls:
106 |         try:
107 |             response = requests.get(url=detail_url, headers=headers,timeout=3)
108 |             #print(response.status_code)
109 |             detail_dict = dict()
110 |             doc = pq(response.text)
111 |             unit_price = doc(".unitPriceValue").text()
112 |             unit_price = unit_price[0:unit_price.index("元")]
113 |             title = doc("h1").text()
114 |             area = doc(".areaName .info a").eq(0).text().strip()
115 |             url = detail_url
116 |             detail_dict["title"] = title
117 |             detail_dict["area"] = area
118 |             detail_dict["price"] = unit_price
119 |             detail_dict["url"] = url
120 | 
121 |             detail_list.append(detail_dict)
122 | 
123 |             print(unit_price, title, area)
124 | 
125 |         except:
126 |             print("获取详情页出错,换ip重试")
127 |             proxies = {
128 |                 "http": "http://" + get_valid_ip(),
129 |             }
130 |             try:
131 |                 response = requests.get(url=detail_url, headers=headers, proxies=proxies)
132 |                 #print(response.status_code)
133 |                 detail_dict = dict()
134 |                 doc = pq(response.text)
135 |                 unit_price = doc(".unitPriceValue").text()
136 |                 unit_price = unit_price[0:unit_price.index("元")]
137 |                 title = doc("h1").text()
138 |                 area = doc(".areaName .info a").eq(0).text().strip()
139 |                 url = detail_url
140 |                 # 已下架的还会爬取，但是没有价格
141 |                 if len(unit_price)>0:
142 |                     detail_dict["title"] = title
143 |                     detail_dict["area"] = area
144 |                     detail_dict["price"] = unit_price
145 |                     detail_dict["url"] = url
146 | 
147 |                     detail_list.append(detail_dict)
148 | 
149 |                     print(unit_price, title, area)
150 |             except:
151 |                 print("重试失败...")
152 | 
153 | 
154 | def save_data(data,filename):
155 |     with open(filename+".json", 'w', encoding="utf-8") as f:
156 |         f.write(json.dumps(data, indent=2, ensure_ascii=False))
157 | 
158 | def main():
159 |     # cq,cs,nj,dl,wh,cc
160 |     city_list = ['nj']
161 |     for city in city_list:
162 |         page_url_list = get_list_page_url(city)
163 | 
164 |         # pool = threadpool.ThreadPool(20)
165 |         # requests = threadpool.makeRequests(page_and_detail_parser, page_url_list)
166 |         # [pool.putRequest(req) for req in requests]
167 |         # pool.wait()
168 | 
169 |         p = ThreadPoolExecutor(30)
170 | 
171 |         for page_url in page_url_list:
172 |             p.submit(get_detail_page_url, page_url).add_done_callback(detail_page_parser)
173 |         # 这里的回调函数拿到的是一个对象。
174 |         # 先把返回的res得到一个结果。即在前面加上一个res.result(),这个结果就是get_detail_page_url的返回
175 |         p.shutdown()
176 | 
177 |         print(detail_list)
178 | 
179 |         save_data(detail_list, city)
180 | 
181 |         detail_list.clear()
182 | 
183 | if __name__ == '__main__':
184 |     old = time.time()
185 |     main()
186 |     new  = time.time()
187 |     delta_time = new - old
188 |     print("程序共运行{}s".format(delta_time))
189 | 
190 | 
191 | 
192 | 
193 | 
194 | 
195 | 
196 | 
197 | 


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