Python 编写简单网页服务器的实例

#!/bin/python
#-*- coding: UTF-8 -*-
#文件名：server.py
#create by wzh 2017/10/26
import socket #导入socket模块
import re
from multiprocessing import Process #导入进程模块
#设置静态文件根目录
HTML_ROOT_DIR='./html'
def handle_client(client_socket):
 """处理客户端连接请求"""
 request_data=client_socket.recv(1024)
 print(request_data)
 request_lines=request_data.splitlines()
 for line in request_lines:
  print(line)
 #'GET / HTTP/1.1'
 request_start_line=request_lines[0].decode("utf-8")
 print("*"*10)
 print(request_start_line)
 #提取用户请求的文件名
 file_name=re.match(r"\w+ +(/[^ ]*) ",str(request_start_line)).group(1)
 if "/" == file_name:
  file_name='/index.html'
 #打开文件，读取内容
 try:
  file=open(HTML_ROOT_DIR+file_name,"rb")
 except IOError:
  response_start_line="HTTP/1.1 404 Not Found\r\n"
  response_heads="Server: My server\r\n"
  response_body="The file not found!"
 else:
  file_data=file.read()
  file.close()
  response_start_line="HTTP/1.1 200 ok\r\n"
  response_heads="Server: My server\r\n"
  response_body=file_data.decode("utf-8")
 response=response_start_line+response_heads+"\r\n"+response_body
 print("response data:",response)
 client_socket.send(bytes(response,"utf-8"))
 client_socket.close()
if __name__=="__main__":   #如果直接运行本文件，那么__name__为__main__(此时才运行下面的程序)，否则为对应包名
 s = socket.socket(socket.AF_INET,socket.SOCK_STREAM) # 创建socket对象
 s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
 #host = socket.gethostname() # 获取本地主机名
 port = 1212 #
 #print(host)
 s.bind(("", port)) # 绑定端口
 s.listen(5)
 while True:
  c,addr=s.accept() #建立客户端连接
  print('连接地址',addr)
  handle_client_process=Process(target=handle_client,args=(c,)) #ALT+ENTER快捷键生成函数
  handle_client_process.start()
  c.close()

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>My Web</title>
</head>
<h1 align="center">welcome!</h1>
<p align="center">这是一个神奇的网站！</p>
<body>
</body>
</html>