python 模拟百度搜索

 1 import urllib.request
 2 def Url(url):
 3     flag = input("请输入要搜索的关键字：")
 4     headers_ = {
 5         "User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Maxthon/4.4.3.4000 Chrome/30.0.1599.101 Safari/537.36"
 6     }
 7     wd = {"wd" : flag}
 8     wd = urllib.parse.urlencode(wd)
 9     url = url + "?" + wd
10     print(url)
11     req = urllib.request.Request(url,headers=headers_)
12     html = urllib.request.urlopen(req).read().decode("utf-8")
13     print(html)
14 
15 
16 
17 url = 'http://www.baidu.com/s'
18 Url(url)