前面簡單提到了 Python 模擬登錄的程序，但是沒寫清楚，這里再補上一個帶注釋的 Python 模擬登錄的示例程序。簡單說一下流程：先用cookielib獲取cookie，再用獲取到的cookie，進入需要登錄的網站。
|
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/';# 登陸用戶名和密碼data={ "username":"nowamagic", "password":"pass"}# urllib進行編碼post_data=urllib.urlencode(data)# 發送頭信息headers ={ "Host":"www.nowamagic.net","Referer": "http://www.nowamagic.net"}# 初始化一個CookieJar來處理CookiecookieJar=cookielib.CookieJar()# 實例化一個全局openeropener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cookieJar))# 獲取cookiereq=urllib2.Request(auth_url,post_data,headers)result = opener.open(req)# 訪問主頁 自動帶著cookie信息result = opener.open(home_url)# 顯示結果print result.read() |
再附帶幾個示例程序：
1. 使用已有的cookie訪問網站
|
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. 訪問網站獲得cookie，并把獲得的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. 使用指定的參數生成cookie,并用這個cookie訪問網站
|
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 |
