这是用tcp制作的一个qt的简单的聊天工具。两个对话框，相互间发送或者接收数据，通过设置端口和地址连接，还可以清除所发送或者接收的数据。-This is a qt tcp making a simple chat tool. Two dialog boxes, send or receive data to each other, by setting the port and address of the connection, you can also clear the sending o