Python制作刷网页流量工具

脚本专栏 2024/11/25 佚名

3 2 1

准备

必须环境：

Python3

开始

先实现一个简单的版本，直接上代码：

import urllib.request
import urllib.error
#创建get方法
def get(url):
 code=urllib.request.urlopen(url).code
 return code
if __name__ == '__main__':
#设置一些基本属性
 url = "http://shua.jb51.net"
 user_agent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36"
 headers = {'User-Agent':user_agent}
 req = urllib.request.Request(url, headers=headers)
 #记录次数
 i = 1
 while 1: 
   code = get(url)
   print('访问:'+str(code))
   i = i+1

简单粗暴，刷的只是 pv,ip 没变，容易被搜索引擎发现，下面我们来改进一下

增加代理功能

给 get 方法添加以下代码：

random_proxy = random.choice(proxies)
proxy_support = urllib.request.ProxyHandler({"http":random_proxy})
opener = urllib.request.build_opener(proxy_support)
urllib.request.install_opener(opener)

修改一下主方法：

if __name__ == '__main__':
 url = "http://shua.jb51.net"
 #添加代理列表，可以自行去百度获取
 proxies = ["124.88.67.22:80","124.88.67.82:80","124.88.67.81:80","124.88.67.31:80","124.88.67.19:80","58.23.16.240:80"]
 user_agent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36"
 headers = {'User-Agent':user_agent}
 req = urllib.request.Request(url, headers=headers)
 i = 1
 while 1:
   #添加参数
   code = get(url,proxies)
   print('第'+str(i)+'次代理访问:'+str(code))
   i = i+1

这样差不多了，不过有个 bug ，如果页面打不开了或者代理失效了，程序就自动结束了，接下来我们添加异常处理功能

异常处理

定义 mail 方法，用来发邮件提醒

def mail(txt):
 _user = "你的账号"
 _pwd = "你的密码"
 _to = "收件账号"
 msg = MIMEText(txt, 'plain', 'utf-8')
 #标题
 msg["Subject"] = "代理失效！"
 msg["From"] = _user
 msg["To"] = _to

 try:
   #这里我用的qq邮箱
   s = smtplib.SMTP_SSL("smtp.qq.com", 465)
   s.login(_user, _pwd)
   s.sendmail(_user, _to, msg.as_string())
   s.quit()
   print("Success!")

 except smtplib.SMTPException as e:
   print("Falied,%s" % e)

然后我们修改一下主方法：

if __name__ == '__main__':
 url = "http://shua.jb51.net"
 proxies = ["124.88.67.22:80","124.88.67.82:80","124.88.67.81:80","124.88.67.31:80","124.88.67.19:80","58.23.16.240:80"]
 user_agent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36"
 headers = {'User-Agent':user_agent}
 req = urllib.request.Request(url, headers=headers)
 i = 1
 while 1:
   try:
     code = get(url,proxies)
     print('第'+str(i)+'次代理访问:'+str(code))
     i = i+1
   except urllib.error.HTTPError as e:
     print(e.code)
      #添加mail方法
     mail(e.code)
   except urllib.error.URLError as err:
     print(err.reason)
      #添加mail方法
     mail(err.reason)

完成！

结语

代码只有短短的 50 行，程序还可以改进：

例如：代理列表自动获取，添加界面,扩展下多线程等等

最后给再给大家分享一个其他小伙伴的作品

import urllib2
import timeit
import thread 
import time
i = 0
mylock = thread.allocate_lock()
def test(no,r):
  global i
  url = 'http://blog.csdn.net'
  for j in range(1,r):
    req=urllib2.Request(url) 
    req.add_header("User-Agent","Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0)") 
    file = urllib2.urlopen(req)
    print file.getcode();
    mylock.acquire()
    i+=1
    mylock.release()  
    print i;
  thread.exit_thread()

def fast():
    thread.start_new_thread(test,(1,50))
    thread.start_new_thread(test,(2,50)) 

fast()
time.sleep(15)

经测试，超过两个线程以上服务器就会出现503错误，所以2个线程刚好

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