python网络爬虫采集联想词示例

python爬虫_采集联想词代码

#coding:utf-8
import urllib2
import urllib
import re
import time
from random import choice
#特别提示，下面这个list中的代理ip可能失效，请换上有效的代理ip
iplist  = ['27.24.158.153:81','46.209.70.74:8080','60.29.255.88:8888']

list1 = ["集团","科技"]
for item in list1:
    ip= choice(iplist)
    gjc = urllib.quote(item)
    url = "http://sug.so.360.cn/suggest/word?callback=suggest_so&encodein=utf-8&encodeout=utf-8&word="+gjc
    headers = {
                "get":url,
                "host":"sug.so.360.cn",
                "referer":"http://www.so.com/",
                "user-agent":"smozilla/5.0 (macintosh; intel mac os x 10_8_4) applewebkit/537.17 (khtml, like gecko) chrome/24.0.1312.56 safari/537.17",
                }

    proxy_support = urllib2.proxyhandler({'http':'http://'+ip})

    opener = urllib2.build_opener(proxy_support)
    urllib2.install_opener( opener )
    req = urllib2.request(url)

    for key in headers:
        req.add_header(key,headers[key])

    html = urllib2.urlopen(req).read()

    ss = re.findall("\"(.*?)\"",html)
    for item in ss:
        print item
    time.sleep(2)