python 编写简单网页服务器的实例
IDE：Pycharm
sever.py
#!/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()index.html
<!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>
运行server.py
在浏览器中输入localhost：1212
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