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python 編寫簡單網頁伺服器

IDE:Pycharm

sever.py

#!/bin/python
#-*- coding: UTF-8 -*-
#檔名:server.py
#create by wzh 2017/10/26

import socket   #匯入socket模組
import re
from multiprocessing import Process #匯入程序模組

#設定靜態檔案根目錄
HTML_ROOT_DIR='./html'
def handle_client(client_socket):
    """處理客戶端連線請求"""
    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)

    #提取使用者請求的檔名
    file_name=re.match(r"\w+ +(/[^ ]*) ",str(request_start_line)).group(1)
    if "/" == file_name:
        file_name='/index.html'
    #開啟檔案,讀取內容
    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__":         #如果直接執行本檔案,那麼__name__為__main__(此時才執行下面的程式),否則為對應包名
    s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)  # 建立socket物件
    s.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
    #host = socket.gethostname()  # 獲取本地主機名
    port = 1212  #
    #print(host)
    s.bind(("", port))  # 繫結埠
    s.listen(5)

    while True:
        c,addr=s.accept()   #建立客戶端連線
        print('連線地址',addr)
        handle_client_process=Process(target=handle_client,args=(c,))   #ALT+ENTER快捷鍵生成函式
        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">這是一個神奇的網站!</p>
<body>

</body>
</html>

執行server.py

在瀏覽器中輸入localhost:1212