python TCP多线程客户端程序

import socket
import threading

class TcpClass():
    def __init__(self,ip,port):
        self.tcpSocket = socket.socket()
        self.ip = ip
        self.port = port
        self.run = False
        self.connect()
        if self.run:
            self.thread1 = threading.Thread(target=self.receiveData)
            self.thread2 = threading.Thread(target=self.sendData)
            self.thread1.start()
            self.thread2.start()
            self.thread1.join()
            self.thread2.join()
            self.close()

    def connect(self):
        try:
            self.tcpSocket.connect((self.ip,self.port))
            self.run = True
            print('服务器已连接')
        except:
            print('服务器连接失败')
            self.close()

    def close(self):
        self.tcpSocket.close()
        print('断开服务器')
    
    def sendData(self):
        print("sendData")
        while self.run:
            send_data = input()
            if send_data:
                self.tcpSocket.send(send_data.encode("gbk"))
                print('发送服务器数据：%s' % send_data)
            if send_data == "断开连接":
                print("发送数据线程已结束")
                self.run = False

    def receiveData(self):
        print("receiveData")
        while self.run:
            receive_data = self.tcpSocket.recv(1024).decode("gbk")
            print('接收服务器数据：%s' % receive_data)

            if receive_data == "断开连接" or receive_data == "":
                print("接收数据线程已结束")
                self.run = False

a = TcpClass('10.1.211.76',7788)
input("输入任意字符结束程序！")