1. 静态web服务器 - 多任务
- 示例
import socket import threading # 处理客户端请求 def handle_request_client(new_socket): # 接收客户端的请求信息 recv_data = new_socket.recv(4096) # 请求数据为空,直接返回 if len(recv_data) == 0: new_socket.close() return # 对数据按照空格进行分割 recv_content = recv_data.decode("utf-8") request_list = recv_content.split(" ", maxsplit=2) # 获取请求的资源路径 request_path = request_list[1] # 判断请求的是否为根目录,若为根目录返回首页 if request_path == "/" : request_path = "/index.html" try: # 打开文件,读取文件中的数据 # with open 由系统关闭文件,无需手动关闭,使用rb模式,默认兼容二进制文件 with open("Ccblogs" + request_path, "rb") as file: file_data = file.read() except Exception as e: # 响应行 response_line = "HTTP/1.1 404 Not Found\r\n" # 响应头 response_header = "Server: ccblogs/1.0\r\n" # 打开文件,读取文件中的数据 # with open 由系统关闭文件,无需手动关闭,使用rb模式,默认兼容二进制文件 with open("Ccblogs/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, 把字符串编码成二进制 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 new_socket.send(response) else: # 响应行 response_line = "HTTP/1.1 200 OK\r\n" # 响应头 response_header = "Server: ccblogs/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, 把字符串编码成二进制 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 new_socket.send(response) finally: # 关闭服务于客户端的套接字 new_socket.close() def recv(): # 创建tcp服务端套接字 tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # 设置端口号复用,程序退出端口号立即释放 tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True) # 绑定端口号 tcp_server_socket.bind(("", 8000)) # 设置监听 tcp_server_socket.listen(128) while True: # 等待接受客户端的连接请求 new_socket, ip_port = tcp_server_socket.accept() sub_thread = threading.Thread(target=handle_request_client, args=(new_socket, )) sub_thread.setDaemon(True) sub_thread.start() # 判断是否为主模块 if __name__ == '__main__': recv()
2. 静态web服务器 - 面向对象
- 示例
import socket import threading # http协议的web服务器类 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) # 设置端口号复用,程序退出端口号立即释放 tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True) # 绑定端口号 tcp_server_socket.bind(("", 8000)) # 设置监听 tcp_server_socket.listen(128) self.tcp_server_socket = tcp_server_socket def start(self): while True: # 等待接受客户端的连接请求 new_socket, ip_port = self.tcp_server_socket.accept() sub_thread = threading.Thread(target=self.handle_request_client, args=(new_socket, )) sub_thread.setDaemon(True) sub_thread.start() # 处理客户端请求 @staticmethod def handle_request_client(new_socket): # 接收客户端的请求信息 recv_data = new_socket.recv(4096) # 请求数据为空,直接返回 if len(recv_data) == 0: new_socket.close() return # 对数据按照空格进行分割 recv_content = recv_data.decode("utf-8") request_list = recv_content.split(" ", maxsplit=2) # 获取请求的资源路径 request_path = request_list[1] # 判断请求的是否为根目录,若为根目录返回首页 if request_path == "/" : request_path = "/index.html" try: # 打开文件,读取文件中的数据 # with open 由系统关闭文件,无需手动关闭,使用rb模式,默认兼容二进制文件 with open("Ccblogs" + request_path, "rb") as file: file_data = file.read() except Exception as e: # 响应行 response_line = "HTTP/1.1 404 Not Found\r\n" # 响应头 response_header = "Server: ccblogs/1.0\r\n" # 打开文件,读取文件中的数据 # with open 由系统关闭文件,无需手动关闭,使用rb模式,默认兼容二进制文件 with open("Ccblogs/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, 把字符串编码成二进制 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 new_socket.send(response) else: # 响应行 response_line = "HTTP/1.1 200 OK\r\n" # 响应头 response_header = "Server: ccblogs/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, 把字符串编码成二进制 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 new_socket.send(response) finally: # 关闭服务于客户端的套接字 new_socket.close() def recv(): # 创建web服务器 webServer = HttpWebServer() webServer.start() # 判断是否为主模块 if __name__ == '__main__': recv()
3. 获取终端命令行参数
- 示例
import sys # sys.argv返回一个列表,第一个参数为程序文件绝对路径 print(sys.argv, type(sys.argv))
4. 静态web服务器 - 命令行启动动态绑定端口号
- 示例
import socket import threading # http协议的web服务器类 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) # 设置端口号复用,程序退出端口号立即释放 tcp_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True) # 绑定端口号 tcp_server_socket.bind(("", port)) # 设置监听 tcp_server_socket.listen(128) self.tcp_server_socket = tcp_server_socket def start(self): while True: # 等待接受客户端的连接请求 new_socket, ip_port = self.tcp_server_socket.accept() sub_thread = threading.Thread(target=self.handle_request_client, args=(new_socket, )) sub_thread.setDaemon(True) sub_thread.start() # 处理客户端请求 @staticmethod def handle_request_client(new_socket): # 接收客户端的请求信息 recv_data = new_socket.recv(4096) # 请求数据为空,直接返回 if len(recv_data) == 0: new_socket.close() return # 对数据按照空格进行分割 recv_content = recv_data.decode("utf-8") request_list = recv_content.split(" ", maxsplit=2) # 获取请求的资源路径 request_path = request_list[1] # 判断请求的是否为根目录,若为根目录返回首页 if request_path == "/" : request_path = "/index.html" try: # 打开文件,读取文件中的数据 # with open 由系统关闭文件,无需手动关闭,使用rb模式,默认兼容二进制文件 with open("Ccblogs" + request_path, "rb") as file: file_data = file.read() except Exception as e: # 响应行 response_line = "HTTP/1.1 404 Not Found\r\n" # 响应头 response_header = "Server: ccblogs/1.0\r\n" # 打开文件,读取文件中的数据 # with open 由系统关闭文件,无需手动关闭,使用rb模式,默认兼容二进制文件 with open("Ccblogs/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, 把字符串编码成二进制 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 new_socket.send(response) else: # 响应行 response_line = "HTTP/1.1 200 OK\r\n" # 响应头 response_header = "Server: ccblogs/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, 把字符串编码成二进制 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 new_socket.send(response) finally: # 关闭服务于客户端的套接字 new_socket.close() def recv(): # 获取命令行参数 params = sys.argv if len(params) != 2: print("Command Error") return if not params[1].isdigit(): print("Command Error") return port = int(params[1]) # 创建web服务器 webServer = HttpWebServer(port) webServer.start() # 判断是否为主模块 if __name__ == '__main__': recv()
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