Python网络编程

资源路径：F:\BaiduNetdiskDownload\python全套【推荐】

多任务版静态Web网络

import socket
import threading


def handle_client_request(client_socket):
    # 代码执行到此，说明连接建立成功
    recv_data = client_socket.recv(4096)

    # 判断接收到的数据长度是否为0
    if len(recv_data) == 0:
        print("关闭浏览器了")
        client_socket.close()
        return

    # 对二进制数据进行解码
    recv_content = recv_data.decode('utf-8')
    print(recv_content)

    request_list = recv_content.split(" ", maxsplit=2)
    # 获取请求路径
    request_path = request_list[1]
    print(f"request_path: {request_path}")

    if request_path == "/":
        request_path = "/index.html"

    try:
        # 打开文件读取文件中的数据：使用with open：关闭文件的操作不用程序员完成，系统会自动完成
        with open("static" + request_path, 'rb') as file:
            file_data = file.read()
    except Exception as e:
        # 代码执行到此，说明没有请求的文件，返回404状态信息
        response_line = "HTTP/1.1 404 Not Found\r\n"
        response_header = "Server: PWS/1.0\r\n"
        # 读取404页面数据
        with open("static/error.html", "rb") as file:
            file_data = file.read()

        # 响应体
        response_body = file_data
        # 把数据封装成http 响应报文格式的数据
        response = (response_line +
                    response_header +
                    "\r\n").encode("utf-8") + response_body

        # 发送给浏览器的响应报文数据
        client_socket.send(response)
    else:
        # 代码执行到此，说明文件存在，返回200状态信息
        # 响应行
        response_line = "HTTP/1.1 200 OK\r\n"
        # 响应头
        response_header = "Server: PWS/1.0\r\n"
        # 响应体
        response_body = file_data

        # 把数据封装成http 响应报文格式的数据
        response = (response_line +
                    response_header +
                    "\r\n").encode("utf-8") + response_body

        # 发送给浏览器的响应报文数据
        client_socket.send(response)
    finally:
        client_socket.close()

def main():
    # 创建tcp服务端套接字
    tcp_server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    # 设置端口复用，程序退出时端口立即释放
    tcp_server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    host = ""
    port = 8000
    # 绑定端口
    tcp_server.bind((host, port))

    # 设置监听
    tcp_server.listen(128)

    while True:
        # 等待接收客户端连接请求
        client_socket, client_addr = tcp_server.accept()

        # 当客户端和服务端建立连接，创建子线程处理
        sub_thread = threading.Thread(target=handle_client_request, args=(client_socket,))

        # 设置守护主线程
        sub_thread.daemon = True
        # 启动子线程执行对应任务
        sub_thread.start()


if __name__ == '__main__':
    main()

面向对象版web服务器：

#!/usr/bin/python
# _*_ coding: utf-8 _*_
# @Time    : 2025/9/3 21:23
# @Author  : Seven
# @File    : 静态web服务器-返回固定页面数据.py
# @Software: PyCharm

import socket
import threading


class HttpWebServer(object):
    def __init__(self):
        # 创建tcp服务端套接字
        tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        # 设置端口复用，程序退出时端口立即释放
        tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
        # 绑定端口号
        tcp_server_socket.bind(("", 9000))
        # 设置监听
        tcp_server_socket.listen(128)
        # 保存创建成功的服务器套接字
        self.tcp_server_socket = tcp_server_socket

    # 处理客户端的请求
    @staticmethod
    def handle_client_request(client_socket):
        # 代码执行到此，说明连接建立成功
        recv_data = client_socket.recv(4096)

        # 判断接收到的数据长度是否为0
        if len(recv_data) == 0:
            print("关闭浏览器了")
            client_socket.close()
            return

        # 对二进制数据进行解码
        recv_content = recv_data.decode('utf-8')
        print(recv_content)

        request_list = recv_content.split(" ", maxsplit=2)
        # 获取请求路径
        request_path = request_list[1]
        print(f"request_path: {request_path}")

        if request_path == "/":
            request_path = "/index.html"

        try:
            # 打开文件读取文件中的数据：使用with open：关闭文件的操作不用程序员完成，系统会自动完成
            with open("static" + request_path, 'rb') as file:
                file_data = file.read()
        except Exception as e:
            # 代码执行到此，说明没有请求的文件，返回404状态信息
            response_line = "HTTP/1.1 404 Not Found\r\n"
            response_header = "Server: PWS/1.0\r\n"
            # 读取404页面数据
            with open("static/error.html", "rb") as file:
                file_data = file.read()

            # 响应体
            response_body = file_data
            # 把数据封装成http 响应报文格式的数据
            response = (response_line +
                        response_header +
                        "\r\n").encode("utf-8") + response_body

            # 发送给浏览器的响应报文数据
            client_socket.send(response)
        else:
            # 代码执行到此，说明文件存在，返回200状态信息
            # 响应行
            response_line = "HTTP/1.1 200 OK\r\n"
            # 响应头
            response_header = "Server: PWS/1.0\r\n"
            # 响应体
            response_body = file_data

            # 把数据封装成http 响应报文格式的数据
            response = (response_line +
                        response_header +
                        "\r\n").encode("utf-8") + response_body

            # 发送给浏览器的响应报文数据
            client_socket.send(response)
        finally:
            client_socket.close()

    # 启动web服务器进行工作
    def start(self):
        while True:
            new_socket, client_addr = self.tcp_server_socket.accept()
            sub_thread = threading.Thread(target=self.handle_client_request, args=(new_socket,))
            sub_thread.daemon = True
            sub_thread.start()


def main():
    # 创建web服务器对象
    web_server = HttpWebServer()
    web_server.start()


if __name__ == '__main__':
    main()

静态web服务器--命令行启动

#!/usr/bin/python
# _*_ coding: utf-8 _*_
# @Time    : 2025/9/3 21:23
# @Author  : Seven
# @File    : 静态web服务器-返回固定页面数据.py
# @Software: PyCharm

import socket
import threading
import sys


class HttpWebServer(object):
    def __init__(self, port):
        # 创建tcp服务端套接字
        tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        # 设置端口复用，程序退出时端口立即释放
        tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
        # 绑定端口号
        tcp_server_socket.bind(("", int(port)))
        # 设置监听
        tcp_server_socket.listen(128)
        # 保存创建成功的服务器套接字
        self.tcp_server_socket = tcp_server_socket

    # 处理客户端的请求
    @staticmethod
    def handle_client_request(client_socket):
        # 代码执行到此，说明连接建立成功
        recv_data = client_socket.recv(4096)

        # 判断接收到的数据长度是否为0
        if len(recv_data) == 0:
            print("关闭浏览器了")
            client_socket.close()
            return

        # 对二进制数据进行解码
        recv_content = recv_data.decode('utf-8')
        print(recv_content)

        request_list = recv_content.split(" ", maxsplit=2)
        # 获取请求路径
        request_path = request_list[1]
        print(f"request_path: {request_path}")

        if request_path == "/":
            request_path = "/index.html"

        try:
            # 打开文件读取文件中的数据：使用with open：关闭文件的操作不用程序员完成，系统会自动完成
            with open("static" + request_path, 'rb') as file:
                file_data = file.read()
        except Exception as e:
            # 代码执行到此，说明没有请求的文件，返回404状态信息
            response_line = "HTTP/1.1 404 Not Found\r\n"
            response_header = "Server: PWS/1.0\r\n"
            # 读取404页面数据
            with open("static/error.html", "rb") as file:
                file_data = file.read()

            # 响应体
            response_body = file_data
            # 把数据封装成http 响应报文格式的数据
            response = (response_line +
                        response_header +
                        "\r\n").encode("utf-8") + response_body

            # 发送给浏览器的响应报文数据
            client_socket.send(response)
        else:
            # 代码执行到此，说明文件存在，返回200状态信息
            # 响应行
            response_line = "HTTP/1.1 200 OK\r\n"
            # 响应头
            response_header = "Server: PWS/1.0\r\n"
            # 响应体
            response_body = file_data

            # 把数据封装成http 响应报文格式的数据
            response = (response_line +
                        response_header +
                        "\r\n").encode("utf-8") + response_body

            # 发送给浏览器的响应报文数据
            client_socket.send(response)
        finally:
            client_socket.close()

    # 启动web服务器进行工作
    def start(self):
        while True:
            new_socket, client_addr = self.tcp_server_socket.accept()
            sub_thread = threading.Thread(target=self.handle_client_request, args=(new_socket,))
            sub_thread.daemon = True
            sub_thread.start()


def main():
    # sys.argv 用于获取程序启动时的命令行参数
    print(sys.argv)
    # 判断命令行参数是否等于2
    if len(sys.argv) != 2:
        print("执行命令如下： python3 xxx.py 8000")
        return

    port = sys.argv[1]
    # 判断参数是否都是数字
    if not port.isdigit():
        print("执行命令如下： python3 xxx.py 8000")
        return
    # 创建web服务器对象
    web_server = HttpWebServer(port=port)
    web_server.start()


if __name__ == '__main__':
    main()