从数据库中随机ip代理，并验证

import pymysqlimport requests

class GetRandomIP():    def getip(self):        conn = pymysql.connect(host="localhost", port=3306, user="root", password="liuzhiyu", db="python77",                               charset="utf8")        cursor = conn.cursor()

sql=‘select type,ip,port from ipcontent ORDER BY RAND() LIMIT 1‘        cursor.execute(sql)

rows = cursor.fetchall()[0]        type_ipaddress_port = ‘{}://{}:{}‘.format(rows[0], rows[1], rows[2])        print(‘*‘*50,end=‘\n\n‘)        print(‘从数据库中获取的IP为: {}‘.format(type_ipaddress_port))        self.yz_ip(rows[0],rows[1],type_ipaddress_port)        cursor.close()        conn.close()

def yz_ip(self,type,ipaddress,type_ipaddress_port):        print(‘验证ip: {} 是否有效:‘.format(type_ipaddress_port))        try:            response=requests.get(‘http://www.baidu.com‘,proxies={type:type_ipaddress_port})  #proxies={‘HTTP‘:‘HTTP://106.56.102.139:8070‘}        except Exception as e:            print(‘ip: {} 无效,将从数据库中删除‘.format(ipaddress))            self.del_ip(ipaddress)        else:            print(‘状态码: {} (200代表有效)‘.format(response.status_code),end=‘\n\n‘)

def del_ip(self,ip):

conn = pymysql.connect(host="localhost", port=3306, user="root", password="liuzhiyu", db="python77",                               charset="utf8")        cursor = conn.cursor()        sql = ‘delete from ipcontent where ip=%s‘        cursor.execute(sql,(ip))        conn.commit()        print(‘删除ip: {} 成功‘.format(ip),end=‘\n\n‘)        cursor.close()        conn.close()

if __name__ == ‘__main__‘:    gr = GetRandomIP()    while 1:        gr.getip()

原文地址：https://www.cnblogs.com/inorilzy/p/9574134.html