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python登陆asp网站页面的实现代码

2015-01-14 10:57 1081 查看

使用python来登录asp网站和登录其他网站差不多,只是因为asp页面在每次请求的时候都要带上viewstate,因此使用python来登录的话就多了一个步骤,获得这个页面的viewstate之后带上这个和你要post或get到该页面的请求数据就好了,下面这段程序是登录一个asp系统,然后搜索某些数据并将这些数据保存下来.

#coding=utf-8
import urllib2 from bs4 import BeautifulSoup import urllib import cookielib import re import httplib import time
loginUrl="登录地址"
headers={"User-Agent":"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36"}
studentCookie = cookielib.CookieJar()
pageOpener = urllib2.build_opener(urllib2.HTTPCookieProcessor(studentCookie))
loginPageRequest = urllib2.Request(loginUrl)
loginPageHTML = pageOpener.open(loginPageRequest).read() """
s=requests.Session()
s.headers.update(headers)
r=s.get(loginUrl)
""" print loginPageHTML
soup=BeautifulSoup(loginPageHTML)
__VIEWSTATE=soup.find(id="__VIEWSTATE")['value']
__EVENTVALIDATION=soup.find(id="__EVENTVALIDATION")['value']
print __VIEWSTATE print __EVENTVALIDATION
login_data={
' __EVENTTARGET':'', '__EVENTARGUMENT':'', '__LASTFOCUS':'', '__VIEWSTATE':__VIEWSTATE, '__EVENTVALIDATION':__EVENTVALIDATION, 'ClienScreentHeight':'768', 'TextBoxUserID':'username', 'TextBoxPWD':'password', 'drpLanguage':'zh-CN', 'ButtonConfirm.x':'45', 'ButtonConfirm.y':'64'
}
loginHeader = {
'User-Agent':'sssssssssssssssssssssss'
}
loginData=urllib.urlencode(login_data)
loginRequest = urllib2.Request(loginUrl , loginData , headers)
loginResponse = pageOpener.open(loginRequest)
print loginResponse
theurl='登录后搜索页面地址'
mainPageRequest = urllib2.Request(theurl)
mainPageHTML = pageOpener.open(mainPageRequest).read()
soup=BeautifulSoup(mainPageHTML)
__VIEWSTATE=soup.find(id="__VIEWSTATE")['value'] #__EVENTVALIDATION=soup.find(id="__EVENTVALIDATION")['value'] print __VIEWSTATE #print __EVENTVALIDATION
searchdata={
'__VIEWSTATE':__VIEWSTATE,
'__EVENTVALIDATION':'',
'txtCopNO':'', 'txtCAR_NO_S':'', 'drpStatus':'', 'txtHiddenOrOnline':'none', 'txtAuto_id':'', 'drpType':'', 'drpBaseType':'', 'ddlIsStatus':0, 'txtICCard':'', 'txtBILL_NO':'', 'txtGDateTime1':'', 'txtGDateTime2':'', 'drpFromKA':'', 'drpToKA':'', 'btnSearch':'%E6%9F%A5+%E8%AF%A2%28F%29'
}
data2=urllib.urlencode(searchdata)
searchData=urllib.urlencode(searchdata)
searcgRequest=urllib2.Request(theurl , searchData , headers)
searchResponse=pageOpener.open(searcgRequest)
print loginResponse print searchResponse
searchHtml=searchResponse.read()
filename= r'C:\Users\Dell\Desktop\getlogin\file'+time.strftime('%d%H%M',time.localtime(time.time()))+'.html'
file=open(filename,'w') file.write(searchHtml) file.close()
print 'end' #raw_input()

原文：python登陆asp网站页面

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