利用python，可以实现填充网页表单，从而自动登录WEB门户。

(注意：以下内容只针对python3)

环境准备：

(1)安装python

(2)安装splinter，下载源码 python setup install

#coding=utf-8

import time

from splinter import Browser

def login_mail(url):

browser = Browser()

#login 163 email websize

browser.visit(url)

#wait web element loading

#fill in account and password

browser.find_by_id(‘username’).fill(‘你的用户名称’)

browser.find_by_id(‘password’).fill(‘你的密码’)

#click the button of login

browser.find_by_id(‘loginBtn’).click()

time.sleep(5)

#close the window of brower

browser.quit()

if __name__ == ‘__main__’:

mail_addr =’http://reg.163.com/’

login_mail(mail_addr)

Tips：

(1)如果需要修改web的html属性，可以使用：js

browser.execute_script(‘document.getElementById(“Html属性ID”).value = “在此提供默认值”‘)

(2)browser = Browser()

不指定的情况下，浏览器驱动是火狐(Firefox)，可以指定其他：browser = Browser(‘chrome’)，需要下载对应的驱动程序

1.python3浏览页面

#coding=utf-8

import urllib.request

import time

#在请求加上头信息，伪装成浏览器访问

headers = {‘User-Agent’:’Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0′}

chaper_url=’http://XXX’

vist_num=1

while vist_num<1000:

if vist_num%50==0:

time.sleep(5)

print(“This is the 【 “+str(vist_num)+” 】次尝试”)

req = urllib.request.Request(url=chaper_url, headers=headers)

urllib.request.urlopen(req).read() #.decode(‘utf-8’)

vist_num+=1

2.python 多线程

#coding=utf-8

import threading #导入threading包

from time import sleep

import time

def fun1():

print (“Task 1 executed.” )

time.sleep(3)

print (“Task 1 end.” )

def fun2():

print (“Task 2 executed.” )

time.sleep(5)

print (“Task 2 end.” )

threads = []t1 = threading.Thread(target=fun1)

threads.append(t1)

t2 = threading.Thread(target=fun2)

threads.append(t2)

for t in threads:

# t.setDaemon(True)

t.start()

3.利用python下载百度图片

#coding=utf-8

import urllib.request

import re

def getHtml(url):

page = urllib.request.urlopen(url)

html = page.read()

return html

def getImg(html):

reg = r’src=”(.+?.jpg)”‘

imgre = re.compile(reg)

html=html.decode(‘utf-8’)

imglist = re.findall(imgre,html)

x = 0

for imgurl in imglist: