1 import requests
2 from requests.exceptions import RequestException
3 import re,json
4 import xlwt,xlrd
5
6 # 数据
7 DATA = []
8 KEYWORD = 'python'
9 HEADERS = {'user-agent':'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome'
10 '/63.0.3239.132 Safari/537.36'}
11 MAX_PAGE = 10
12
13
14 def get_target(data_list):
15 for item in data_list:
16 temp = {
17 'title': item['title'],
18 'price': item['view_price'],
19 'sales': item['view_sales'],
20 'isTmall': '否' if float(item['view_fee']) else '是',
21 'area': item['item_loc'],
22 'name': item['nick'],
23 'url': item['detail_url']
24 }
25 DATA.append(temp)
26 return True
27
28
29 # 发送http请求，获取网页源码
30 def get_html(url,*args):
31 try:
32 if not args:
33 response = requests.get(url,headers=HEADERS)
34 global COOKIES
35 COOKIES = response.cookies # 获取cookie
36 else:
37 response = requests.get(url,headers=HEADERS,cookies=COOKIES)
38
39 response.encoding = response.apparent_encoding
40 return response.text
41 except RequestException:
42 print('请求源码出错！')
43
44 # 解析源码，得到目标信息
45 def parse_html(html,*args):
46 if not args:
47 pattern = re.compile(r'g_page_config = (.*?)g_srp_loadCss',re.S)
48 # 去掉末尾的';'
49 result = re.findall(pattern, html)[0].strip()[:-1]
50 # 格式化json，可以用json在线解析工具查看结构
51 content = json.loads(result)
52 data_list = content['mods']['itemlist']['data']['auctions']
53 else:
54 pattern = re.compile(r'{.*}',re.S)
55 result = re.findall(pattern,html)[0]
56 content = json.loads(result)
57 data_list = content['API.CustomizedApi']['itemlist']['auctions']
58
59 get_target(data_list)
60
61
62 def save_to_excel():
63 f_name = '淘宝%s数据'%KEYWORD
64 book = xlwt.Workbook(encoding='utf-8',style_compression=0)
65 sheet = book.add_sheet(f_name)
66 sheet.write(0, 0, 'title')
67 sheet.write(0, 1, 'price')
68 sheet.write(0, 2, 'sales')
69 sheet.write(0, 3, 'isTmall')
70 sheet.write(0, 4, 'area')
71 sheet.write(0, 5, 'name')
72 sheet.write(0, 6, 'url')
73 for i in range(len(DATA)):
74 sheet.write(i+1, 0, DATA[i]['title'])
75 sheet.write(i+1, 1, DATA[i]['price'])
76 sheet.write(i+1, 2, DATA[i]['sales'])
77 sheet.write(i+1, 3, DATA[i]['isTmall'])
78 sheet.write(i+1, 4, DATA[i]['area'])
79 sheet.write(i+1, 5, DATA[i]['name'])
80 sheet.write(i+1, 6, DATA[i]['url'])
81 book.save('淘宝%s数据.xls'%KEYWORD)
82
83
84
85 def main():
86 for offset in range(MAX_PAGE):
87 # 首页有12条异步加载的数据 api?
88 if offset == 0:
89 url1 = 'https://s.taobao.com/search?q={}&s={}'.format(KEYWORD,offset*44)
90 html = get_html(url1)
91 contents = parse_html(html)
92
93 url2 = 'https://s.taobao.com/api?_ksTS=1532524504679_226&callback=jsonp227&ajax=true&m=customized&'
94 'stats_click=search_radio_all:1&q={}'.format(KEYWORD)
95 html = get_html(url2,2)
96 contents = parse_html(html,2)
97 else:
98 url = 'https://s.taobao.com/search?q={}&s={}'.format(KEYWORD,offset*44)
99 html = get_html(url)
100 contents = parse_html(html)
101
102 save_to_excel()
103 print(len(DATA))
104
105 if __name__ == '__main__':
106 main()
