import urllib.request

import urllib.parse

import http.cookiejar,re

opener = None

# 带Cookie访问

def openurl(parms):

global opener

if opener == None:

#cookie设置

cj = http.cookiejar.CookieJar()

opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor(cj))

ret = opener.open(parms)

return ret

def login_163(**parms):

#初始化

parms_key = ['domain','password','username']

arg = {}

for key in parms_key:

if key in parms:

arg[key] = parms[key]

else:

arg[key] = ''

#获取syscheckcode

pre_login = arg['domain']

html = openurl(pre_login).read().decode('utf-8')

patt = re.compile(r'.*?name=syscheckcode.*?value="(.*?)".*?')

syscheckcode = patt.search(html)

if not syscheckcode:

raise Exception('GET syscheckcode Fail!')

syscheckcode = syscheckcode.group(1)

#登陆

postdata = {

'syscheckcode':syscheckcode,

'password':arg['password'],

'username':arg['username'],

}

postdata = urllib.parse.urlencode(postdata)

postdata = postdata.encode('utf-8')

req = urllib.request.Request(

url= arg['domain'],

data=postdata

)

html = openurl(req).read().decode('utf-8')

thisurl = 'http://reg.163.com/Main.jsp?username=' + arg['username']

html = openurl(thisurl).read().decode('utf-8')

# 获取随机key

thisurl = 'http://entry.mail.163.com/coremail/fcg/ntesdoor2?verifycookie=1&lightweight=1&from=urs'

html = openurl(thisurl).read().decode('utf-8')

patt = re.compile(r'.*?@163.com&sid=(.*?)&from.*?')

sid = patt.search(html);

sid = sid.group(1)

# 获取sid

thisurl = 'http://mail.163.com/js6/main.jsp?sid=' + sid

html = openurl(thisurl).read().decode('utf-8')

thisurl = 'http://mail.163.com/js6/s?sid=' + sid + '&func=mbox:listMessages&topNav_mobileIcon_show=1&TopTabReaderShow=1&TopTabLofterShow=1'

# 获取邮件key --- 可以读取看看，实际上是一个类似xml的表，所有的邮件都在这里，我们需要的是key，这里是抽取的第一封邮件的key

html = openurl(thisurl).read().decode('utf-8')

patt = re.compile(r'.*?name="id">(.*?).*?')

key = patt.search(html);

key = key.group(1)

# 获取邮件内容

thisurl = 'http://mail.163.com/js6/read/readhtml.jsp?mid=' + key

html = openurl(thisurl).read().decode('utf-8')

# 测试输出

print(html)

# 假设返回假,,这个验证可以最后加上

flag = True

#if 'succeedhandle_login' in html:

#flag = True

return flag

# 这里是开始，我懒得缩进了 if __name__ == '__main__':

# 用户名 及 密码

while True:

user = input('input your username:')

pwd = input('input your password:')

if len(user) != 0 and len(pwd) != 0:

break

print('输入错误')

# 测试网站

dom='https://reg.163.com/logins.jsp'

try:

flag = login_163(username=user,password=pwd,domain=dom)

if not flag:

print('读取失败!')

exit(0)

else:

print('读取成功')

except Exception as e:

print('Error:',e)

反正大致过程就是上面那样，，，很标准的 post登陆，之后 163 的页面比较特殊，具体可以自己去试试。

那个key页面是抓包之后找到的，通过那个key就能获得每一封邮件了。

整个代码是从一份功能代码中抽出来，因为剩下的内容涉及xxx，所以不发了。