import sys

params = sys.argv
print(params)
print(params[1])

 sys.argv

 if not sys.argv[1].isdigit():
     print("啟動命令如下: python3 xxx.py 9090")
     return
 port = int(sys.argv[1])

 def __init__(self, port):
     self.tcp_server_socket.bind((“”, port))

import socket
import threading
import sys
# 定義web服務(wù)器類
class HttpWebServer(object):
    def __init__(self, port):
        # 創(chuàng)建tcp服務(wù)端套接字
        tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        # 設(shè)置端口號復(fù)用, 程序退出端口立即釋放
        tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
        # 綁定端口號
        tcp_server_socket.bind(("", port))
        # 設(shè)置監(jiān)聽
        tcp_server_socket.listen(128)
        # 保存創(chuàng)建成功的服務(wù)器套接字
        self.tcp_server_socket = tcp_server_socket
    # 處理客戶端的請求
    @staticmethod
    def handle_client_request(new_socket):
        # 代碼執(zhí)行到此，說明連接建立成功
        recv_client_data = new_socket.recv(4096)
        if len(recv_client_data) == 0:
            print("關(guān)閉瀏覽器了")
            new_socket.close()
            return
        # 對二進制數(shù)據(jù)進行解碼
        recv_client_content = recv_client_data.decode("utf-8")
        print(recv_client_content)
        # 根據(jù)指定字符串進行分割， 最大分割次數(shù)指定2
        request_list = recv_client_content.split(" ", maxsplit=2)
        # 獲取請求資源路徑
        request_path = request_list[1]
        print(request_path)
        # 判斷請求的是否是根目錄，如果條件成立，指定首頁數(shù)據(jù)返回
        if request_path == "/":
            request_path = "/index.html"
        try:
            # 動態(tài)打開指定文件
            with open("static" + request_path, "rb") as file:
                # 讀取文件數(shù)據(jù)
                file_data = file.read()
        except Exception as e:
            # 請求資源不存在，返回404數(shù)據(jù)
            # 響應(yīng)行
            response_line = "HTTP/1.1 404 Not Found\r\n"
            # 響應(yīng)頭
            response_header = "Server: PWS1.0\r\n"
            with open("static/error.html", "rb") as file:
                file_data = file.read()
            # 響應(yīng)體
            response_body = file_data
            # 拼接響應(yīng)報文
            response_data = (response_line + response_header + "\r\n").encode("utf-8") + response_body
            # 發(fā)送數(shù)據(jù)
            new_socket.send(response_data)
        else:
            # 響應(yīng)行
            response_line = "HTTP/1.1 200 OK\r\n"
            # 響應(yīng)頭
            response_header = "Server: PWS1.0\r\n"
            # 響應(yīng)體
            response_body = file_data
            # 拼接響應(yīng)報文
            response_data = (response_line + response_header + "\r\n").encode("utf-8") + response_body
            # 發(fā)送數(shù)據(jù)
            new_socket.send(response_data)
        finally:
            # 關(guān)閉服務(wù)與客戶端的套接字
            new_socket.close()
    # 啟動web服務(wù)器進行工作
    def start(self):
        while True:
            # 等待接受客戶端的連接請求
            new_socket, ip_port = self.tcp_server_socket.accept()
            # 當(dāng)客戶端和服務(wù)器建立連接程，創(chuàng)建子線程
            sub_thread = threading.Thread(target=self.handle_client_request, args=(new_socket,))
            # 設(shè)置守護主線程
            sub_thread.setDaemon(True)
            # 啟動子線程執(zhí)行對應(yīng)的任務(wù)
            sub_thread.start()
# 程序入口函數(shù)
def main():
    print(sys.argv)
    # 判斷命令行參數(shù)是否等于2,
    if len(sys.argv) != 2:
        print("執(zhí)行命令如下: python3 xxx.py 8000")
        return
    # 判斷字符串是否都是數(shù)字組成
    if not sys.argv[1].isdigit():
        print("執(zhí)行命令如下: python3 xxx.py 8000")
        return
    # 獲取終端命令行參數(shù)
    port = int(sys.argv[1])
    # 創(chuàng)建web服務(wù)器對象
    web_server = HttpWebServer(port)
    # 啟動web服務(wù)器進行工作
    web_server.start()
if __name__ == '__main__':
    main()