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ajax数据定时自动保存方法

window.onload=function(){

var txtobj = document.getelementbyid("txt1");
var spanobj = document.getelementbyid("s1");

//自动保存
txtobj.addbehavior("#default#userdata");

var savetimer= setinterval(function(){
txtobj.setattribute("ovalue",txtobj.value);
txtobj.save("saveddata");

spanobj.innertext="数据保存于:"+(new date());
settimeout(function(){
spanobj.innertext="";
},1000);

},10000); //每分钟保存一次

document.getelementbyid("btn1").attachevent("onclick",function(){
clearinterval(savetimer); //取消保存
txtobj.removeattribute("ovalue");
});

document.getelementbyid("btn2").attachevent("onclick",function(){
txtobj.load("saveddata");
alert(txtobj.getattribute("ovalue"));
//txtobj.value = txtobj.getattribute("ovalue");
});
};

</script>









本文来源:http://www.gdgbn.com/wangyezhizuo/29504/