服务器端代码

#Author Kangimport osimport subprocessimport socketserver = socket.socket()server.bind(('localhost',9999))server.listen()print("等待客户端连接:>>>>")while True: conn,addr = server.accept() print("接受了一个新的链接！！") while True: data = conn.recv(1024) cmd = subprocess.getstatusoutput(data.decode()) print("执行命令:>>",cmd) res_size = str(len(cmd[1].encode("utf-8"))) print(res_size) if len(cmd[1]) != 0: conn.send(res_size.encode("utf-8")) ack = conn.recv(1024) #解决SOCKET粘包的问题,即发送命令结果大小与命令结果同时发送 conn.send(cmd[1].encode("utf-8")) elif cmd[0] == 0 and len(cmd[1]) == 0: res = '命令执行成功，但没有返回值' conn.send(res_size.encode("utf-8")) ack = conn.recv(1024) # 解决SOCKET粘包的问题 conn.send(res.encode("utf-8")) if len(data) == 0: breakserver.close()客户端代码

#Author Kangimport socketclient = socket.socket()client.connect(('localhost',9999))while True: msg = input("请输入你要传递的信息:>>>>>") if len(msg) == 0: continue client.send(msg.encode("utf-8")) #发送命令给服务器端 cmd_size = client.recv(1024) #接受服务器返回结果的长度 print("接受结果的大小为:",cmd_size.decode()) recv_size = 0 res_data = "" client.send("我已经可以可以接受了".encode("utf-8")) #为了解决粘包的问题，返回我已经接送命令返回的大小，开始接受结果 while recv_size < int(cmd_size): #判断当前接受的大小与服务器执行命令大小，如小于继续接受 data = client.recv(1024) recv_size += len(data) res_data += data.decode() else: print(res_data)client.close()