http的请求流程

 # !/usr/bin/env python
 # coding:utf-8
 import socket

 def handle_request(client):
     buf = client.recv(1024)
     client.send("HTTP/1.1 200 OK\r\n\r\n")#状态码
　　　　#client.send("Content-Type:text/html\r\n\r\n")#页面显示的格式
     client.send("<a href='http://www.baidu.com'>Hello, World</a>")

 def main():
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
     sock.bind(('localhost', 8080))
     sock.listen(5)

     while True:
         connection, address = sock.accept()
         handle_request(connection)#当服务器接受请求并返回数据之后就断开连接不会出现交互的模式
         connection.close()

 if __name__ == '__main__':
     main()