python模拟表单提交登录图书馆

# -*- coding:utf-8 -*- import urllib import urllib2 import cookielib import bs4  result = urllib2.urlopen("http://222.200.122.171:7771/login.aspx") soup = bs4.BeautifulSoup(result, "html.parser")  logindiv = soup.find("form", attrs={"name": "aspnetForm"}) Allinput = logindiv.findAll("input") inputData = {} for oneinput in Allinput:  if oneinput.has_attr('name'):   if oneinput.has_attr('value'):    inputData[oneinput['name']] = oneinput['value']   else:    inputData[oneinput['name']] = "" inputData['ctl00$ContentPlaceHolder1$txtPas_Lib'] = '*****' inputData['ctl00$ContentPlaceHolder1$txtUsername_Lib'] = '*******'  filename = 'cookie.txt' # 声明一个MozillaCookieJar对象实例来保存cookie，之后写入文件 cookie = cookielib.MozillaCookieJar(filename) opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookie)) postdata = urllib.urlencode(inputData) result2 = opener.open("http://222.200.122.171:7771/login.aspx", postdata) cookie.save(ignore_discard=True, ignore_expires=True) #登录后 要访问的url bookUrl = "http://222.200.122.171:7771/user/userinfo.aspx" result=opener.open(bookUrl) print result.read()