接上一篇，改造成“面向对象”版本

在.py文件的同级目录准备web静态文件的结构，如图所示

import os
import socket
import threading

class httpWebServer:

    def __init__(self):
        # 创建套接字,处理socket
        # AF_INET IPV4，SOCK_STREAM TCP的协议
        tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        # 设置端口复用
        tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
        # 1.绑定单口
        tcp_server_socket.bind(("", 9001))
        # 2. 设置监听
        tcp_server_socket.listen(128)
        self.tcp_server_socket = tcp_server_socket

    @staticmethod
    def handle_requst_page(new_client, ):
        # 4. 接受请求
        try:
            recv_data = new_client.recv(4096)
            recv_content = recv_data.decode('utf-8')
            resv_page = recv_content.split(" ", 2)
            if len(resv_page) >= 2:
                page_index = resv_page[1]
                # 发送的数据为空时  /
                # 当传入地址为空时，默认index地址
                if page_index == '/':
                    page_index = '/index.html'
                # 5.发送请求
                """
                 HTTP/1.1 200 OK # 报文行
                 Server: BWS/1.1  # 报文头
                 空格 \r\n
                 Response: xxx # 报文体
                """
                path = "web/static" + page_index
                if not os.path.exists(path):
                    print("404")
                    path = "web/static/404.html"
                with open(path, 'rb') as file:
                    res_content = file.read()
                res_line = "HTTP/1.1 200 OK\r\n"
                res_server = "Server: PWS/1.0\r\n"
                response = (res_line +
                            res_server +
                            "\r\n").encode("utf-8") + res_content
                new_client.send(response)
        except ValueError:
            print("错误信息：", ValueError)
        finally:
            new_client.close()


    def start(self):
        while True:
            # 3.等待客户端请求
            new_client, ip_port = self.tcp_server_socket.accept()
            print("链接的客户端为",ip_port)
            # 创建线程处理多个链接,并设置主线程守护daemon=True
            sub_thread = threading.Thread(target=self.handle_requst_page,args=(new_client,),daemon=True)
            # sub_thread.setDaemon(True)  #设置主线程守护的第二种方法
            sub_thread.start()



#  tcp socket 报文处理
def main():
    # 常见web 服务器实例
    http_web =  httpWebServer()
    #启动web 服务器
    http_web.start()


if __name__ == '__main__':
    main()