12306模拟登陆

幽梦三影

12306的验证码靠的是捕捉鼠标坐标来验证的
可通过qq截图从第一个点移动到第二个点查看坐标

from http.cookiejar import CookieJar
import urllib.request as u
import urllib.parse
import json
import easygui as e

url = 'https://kyfw.12306.cn/passport/captcha/captcha-check'
cookie = CookieJar()
opener = u.build_opener(u.HTTPCookieProcessor)
img_url = 'https://kyfw.12306.cn/passport/captcha/captcha-image?login_site=E&module=login&rand=sjrand&0.2303874087852643'
headers = {'User-Agent':"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.221 Safari/537.36 SE 2.X MetaSr 1.0"}
rep = u.Request(img_url,headers=headers)
html = opener.open(rep).read()
with open('验证码.png','wb') as f:
    f.write(html)

num = e.enterbox(msg='请输入验证码坐标',image='验证码.png')
data = {
    'answer':num,
    'login_site':'E',
    'rand':'sjrand'
}
data = urllib.parse.urlencode(data).encode('utf-8')
rep = u.Request(url,headers=headers)
html = opener.open(rep,data=data).read().decode('utf-8')
if json.loads(html)['result_code'] == '4':
    print('验证码校验成功')
    user = []
    title = '登录'
    msg = '请输入用户名和密码'
    fields = ['用户名','密码']
    user = e.multpasswordbox(msg,title,fields=fields)

    form = {
        'appid':'otn',
        'password':user[1],
        'username':user[0]
    }
    log_url = 'https://kyfw.12306.cn/passport/web/login'
    form = urllib.parse.urlencode(form).encode('utf-8')
    rep = u.Request(log_url,headers=headers)
    html = opener.open(rep,data=form).read().decode('utf-8')
    if json.loads(html)['result_code'] == 0:
        print('登录成功')
    else:
        print('登录失败')
else:
    print('验证码校验失败')

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