【python-Web服务器】1.3 python-Web静态服务器-2-显示需要的页面

# coding: utf-8
import socket

from multiprocessing import Process

import re

HTML_ROOT_DIR = "./html"

def handle_client(client_socket):
    """处理客户端请求"""
    # 获取客户端数据
    request_data = client_socket.recv(1024)
    print("request data:",request_data)

    # 处理请求数据
    request_lines = request_data.splitlines()
    for line in request_lines:
        print(line)

    # "GET / HTTP/1.1"
    request_start_line = request_lines[0]
    file_name = re.match(r"\w+ +(/[^ ]*)",request_start_line.decode("utf-8")).group(1)

    if "/" == file_name:
        file_name= "/index.html"
    # 打开文件
    try:
        file = open(HTML_ROOT_DIR+file_name,"rb")
    except IOError:
        # 构造响应数据
        response_start_line = "HTTP/1.1 404 Not Found\r\n"
        response_headers = "Server: My testserver\r\n"
        response_body = "file is not found!"
    else:
        file_data = file.read()
        file.close()
        # 构造响应数据
        response_start_line = "HTTP/1.1 200 0k\r\n"
        response_headers = "Server: My testserver\r\n"
        response_body = file_data.decode("utf-8")


    response = response_start_line + response_headers+ "\r\n"+ response_body
    print("response:",response)

    # 向客户端发送数据
    client_socket.send(bytes(response,"utf-8"))
    # 关闭客户端连接
    client_socket.close()

if __name__ == "__main__":
    server_socket = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
    server_socket.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
    server_socket.bind(("",8000))
    server_socket.listen(128)

    while True:
        client_socket, client_address = server_socket.accept()
        print("[%s,%s]用户连接上了"%client_address)
        handle_client_process = Process(target=handle_client, args=(client_socket,))
        handle_client_process.start()
        client_socket.close()