#!/bin/bash
url=(
www.baidu.com
www.pornhub.com
www.vip.com
www.91porn.com
www.taobao.com
)
for i in ${url[*]}
do
  ping -c 2 $i > /dev/null 2>1
  if [ $? -eq 0 ];then
    echo "$i 服务正常"
  else
    echo "$i 服务异常"
  fi
done

chmod +x website.sh 

[root@host-135 ~]# ./website.sh 
www.baidu.com 服务正常
www.pornhub.com 服务异常
www.vip.com 服务正常
www.91porn.com 服务正常
www.taobao.com 服务正常

import requests

with open(r'C:\Users\惠普\Desktop\1111\链接.txt','r',encoding = 'utf-8') as f:
 u = f.readlines()
 length = len(u) 
 for i in range(0,length):
 a = u[i].strip()
 try:
  headers = {'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0) Gecko/20100101 Firefox/6.0'}
  r = requests.get(u[i].strip(),headers = headers,timeout = 5 ).status_code
  if r != 200:
  print('无法连接'+':'+a)
  else:
  with open(r'C:\Users\惠普\Desktop\1111\连接正常url.txt' ,'a') as f:#提取访问正常的文件下载路径
   f.write(a+'\n')
 except:
  print('连接超时'+':'+a)