一.核心代码:

this.btnSave.addEventListener("click",Save);
this.btnRemove.addEventListener("click",Remove);
var txtTip=localStorage.getItem('gcode');
this.txtObj.text=txtTip;
var _this=this;
function Save()
{
	var iRand=parseInt(Math.random()*1000);
	var strTemp="随机号码:"+iRand;
	_this.txtObj.text=strTemp;
	localStorage.setItem('gcode', strTemp);
	
}
function Remove()
{
		_this.txtObj.text="";
	localStorage.removeItem('gcode');
	//localStorage.clear();
}

 二.界面:

三.元件