小吃加盟店数据

NO14/小吃加盟店数据抓取学习.py

+import requests
+from lxml import etree
+import time
+import re
+import random
+
+USER_AGENTS = [
+    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; AcooBrowser; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
+    "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",
+    "Mozilla/4.0 (compatible; MSIE 7.0; AOL 9.5; AOLBuild 4337.35; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
+    "Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",
+    "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0)",
+    "Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 1.0.3705; .NET CLR 1.1.4322)",
+    "Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.30)",
+    "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN) AppleWebKit/523.15 (KHTML, like Gecko, Safari/419.3) Arora/0.3 (Change: 287 c9dfb30)",
+    "Mozilla/5.0 (X11; U; Linux; en-US) AppleWebKit/527+ (KHTML, like Gecko, Safari/419.3) Arora/0.6",
+    "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.2pre) Gecko/20070215 K-Ninja/2.1.1",
+    "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9) Gecko/20080705 Firefox/3.0 Kapiko/3.0",
+    "Mozilla/5.0 (X11; Linux i686; U;) Gecko/20070322 Kazehakase/0.4.5",
+    "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
+    "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
+    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.20 (KHTML, like Gecko) Chrome/19.0.1036.7 Safari/535.20",
+    "Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; fr) Presto/2.9.168 Version/11.52",
+]
+
+
+def run(url, index):
+    try:
+        headers = {"User-Agent": random.choice(USER_AGENTS)}
+        res = requests.get(url=url, headers=headers)
+        res.encoding = "utf-8"
+        html = res.text
+        with open(f"./html/{index}.html", "w+", encoding="utf-8") as f:
+            f.write(html)
+    except Exception as e:
+        print(e)
+
+
+def list_str(my_list):
+    return ",".join(my_list)
+
+
+def get_data():
+    for i in range(1, 130):
+        with open(f"./html/{i}.html", "r", encoding="utf-8") as f:
+            html = f.read()
+            element = etree.HTML(html)
+            # contains 函数 获取包含 xxx 的元素，类似的还有 starts-with,ends-with,last
+            origin_li = element.xpath("//ul[contains(@class,'xm-list')]/li")
+            # 循环抓取 li 内部数据
+            for item in origin_li:
+
+                # 提取加盟名称
+                # title = item.xpath(".//div[@class='r']/h4/text()")[0]
+                title = item.xpath("./div[@class='top']/a/@title")[0]
+                # 提取超链接
+                detail_link = "http:" + item.xpath("./div[@class='top']/a/@href")[0]
+
+
+                # 提取特殊标签
+                special_tag = list_str(item.xpath("./@class"))
+                # 当包含特殊标签 xm-list2 时，使用不同的提取规则
+
+                if special_tag != "xm-list2":
+                     # 提取标签
+                    tags = "#".join(item.xpath(".//div[@class='bot']/span[@class='label']/text()"))
+                    # 提取投资价格
+                    price = list_str(item.xpath(".//div[@class='bot']/span[@class='money']/b/text()"))
+                    # 地址和行业
+                    city_industry = list_str(item.xpath("./div[@class='bot']/p/span/text()"))
+
+                    long_str = f"{title},{detail_link}, {tags}, {price}, {city_industry}"
+                    save(long_str)
+                else:
+                    # 地址和行业
+                    city_industry = list_str(item.xpath("./div[@class='top']/a/div/p[2]/span/text()"))
+                    long_str = f"{title},{detail_link}, {0}, {0}, {city_industry}"
+                    save(long_str)
+
+      
+               
+def save(long_str):
+    try:
+        with open(f"./jiameng.csv", "a+",encoding="utf-8") as f:
+            f.write("\n"+long_str)
+    except Exception as e:
+        print(e)
+
+if __name__ == '__main__':
+
+    # for i in range(1, 130):
+    #     print(f"正在爬取第{i}页数据")
+    #     run(f"https://www.3158.cn/xiangmu/canyin/?pt=all&page={i}", i)
+
+    get_data()
+
+    print("全部提取完毕")
+
+