前面简单提到了 Python 模拟登录的程序，但是没写清楚，这里再补上一个带注释的 Python 模拟登录的示例程序。简单说一下流程：先用cookielib获取cookie，再用获取到的cookie，进入需要登录的网站。
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
# -*- coding: utf-8 -*-# !/usr/bin/pythonimport urllib2import urllibimport cookielibimport re auth_url = 'http://www.nowamagic.net/'home_url = 'http://www.nowamagic.net/';# 登陆用户名和密码data={ "username":"nowamagic", "password":"pass"}# urllib进行编码post_data=urllib.urlencode(data)# 发送头信息headers ={ "Host":"www.nowamagic.net","Referer": "http://www.nowamagic.net"}# 初始化一个CookieJar来处理CookiecookieJar=cookielib.CookieJar()# 实例化一个全局openeropener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cookieJar))# 获取cookiereq=urllib2.Request(auth_url,post_data,headers)result = opener.open(req)# 访问主页 自动带着cookie信息result = opener.open(home_url)# 显示结果print result.read() |
再附带几个示例程序：
1. 使用已有的cookie访问网站
|
1
2
3
4
5
6
7
8
9
10
11
12
13
|
import cookielib, urllib2 ckjar = cookielib.MozillaCookieJar(os.path.join('C:\Documents and Settings\tom\Application Data\Mozilla\Firefox\Profiles\h5m61j1i.default', 'cookies.txt')) req = urllib2.Request(url, postdata, header) req.add_header('User-Agent', \ 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)') opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(ckjar) ) f = opener.open(req) htm = f.read() f.close() |
2. 访问网站获得cookie，并把获得的cookie保存在cookie文件中
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
import cookielib, urllib2req = urllib2.Request(url, postdata, header)req.add_header('User-Agent', \ 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)')ckjar = cookielib.MozillaCookieJar(filename)ckproc = urllib2.HTTPCookieProcessor(ckjar)opener = urllib2.build_opener(ckproc)f = opener.open(req)htm = f.read()f.close()ckjar.save(ignore_discard=True, ignore_expires=True) |
3. 使用指定的参数生成cookie,并用这个cookie访问网站
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
import cookielib, urllib2cookiejar = cookielib.CookieJar()urlOpener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookiejar))values = {'redirect':", 'email':'abc@abc.com', 'password':'password', 'rememberme':", 'submit':'OK, Let Me In!'}data = urllib.urlencode(values)request = urllib2.Request(url, data)url = urlOpener.open(request)print url.info()page = url.read()request = urllib2.Request(url)url = urlOpener.open(request)page = url.read()print page |
