A10.用户代理池.txt

用户代理池即将多个用户代理组建成一个池子，随后随机调用

#使用代理池爬取糗事百科
import urllib.request,re
#随机
import random
uapools=[
    "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 SE 2.X MetaSr 1.0",
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/18.17763",
    "Opera/9.80 (Windows NT 6.1; U; zh-cn) Presto/2.9.168 Version/11.50",
    ]
def ua(uapools):
    thisua=random.choice(uapools)
    headers=("User-Agent",thisua)
    opener=urllib.request.build_opener()
    opener.addheaders=[headers]
    #安装为全局
    urllib.request.install_opener(opener)

for i in range(0,35):
    ua(uapools)
    thisurl="http://www.qiushibaike.com/8hr/page/"+str(i+1)+"/?s=4948859"
    urllib.request.urlopen(thisurl).read().decode("utf-8","ignore")
    pat='<div class="content">.*?<span>(.*?)</span>.*?</div>'
    rst=re.compile(pat,re.S).findall(data)
    for j in range(0,len(rst)):
        print(rst[j])
        print("------")