这是一个跟IP地址有关的源代码，通过输入一个IP地址，将内容写入编辑框中，点击发送按钮，即可接收到发送的内容，很实用的-This is a connection with the IP address of the source code, by entering an IP address, write the contents of the edit box, click the Send button to send to receive content, very practical