Python 简单的方法爬取b站dnf视频封面 

 1 import urllib.request
 2 cnt=0
 3 def instr(keystr):
 4     st=keystr.find('(')+1
 5     strhtml=keystr[st:len(keystr)-1]
 6     return strhtml
 7 
 8 def picsave(strJson,number):
 9     global cnt
10     strdic=strJson['data']['archives']
11     num=len(strdic)
12     for i in range(0,num,1):
13         cnt=cnt+1
14         strdic=strJson['data']['archives'][i]
15         print(strdic['pic'])
16         urllib.request.urlretrieve(strdic['pic'],'E:\图片\dnf\%s.jpg'%(cnt))
17 
18 def urlget(num):
19     for i in range(1,num,1):
20         url='https://api.bilibili.com/x/tag/ranking/archives?callback=jQuery172014070206081723846_1514982701564&tag_id=5033&rid=65&type=0&pn='+str(i)+'&ps=20&jsonp=jsonp&_=1514982702144'
21         response=urllib.request.urlopen(url)
22         html=response.read().decode('utf-8')
23         html=instr(html)
24         strJson=eval(html)
25         picsave(strJson,i)
26 
27 urlget(6)
28 print("ok")

 

posted @ 2018-01-03 23:30  樱花落舞  阅读(697)  评论(0)    收藏  举报