public void actionPerformed(ActionEvent e){
				 String msg=jta.getText();
				 MsgChatText mct=new MsgChatText();
				 mct.setType(IMsgConstance.command_chatText);
				 mct.setTotalLen(4+1+4+4+msg.getBytes().length);
				 mct.setDest(destUser.getJkNum());
				 mct.setSrc(jkNum);
				 mct.setMsgContent(msg);
				 try{
				 conn.sendMsg(mct);
				 }catch(Exception ef){
					 LogTools.ERROR(this.getClass(), "ͳ:"+ef);
				 }
				 jda.dispose();
			 }