ajax資料定時自動儲存方法
window.onload=function(){var txtobj = document.getelementbyid('txt1');
var spanobj = document.getelementbyid('s1');//自動儲存
txtobj.addbehavior("#default#userdata");var savetimer= setinterval(function(){
txtobj.setattribute('ovalue',txtobj.value);
txtobj.save('saveddata');spanobj.innertext='資料儲存於：'+(new date());
settimeout(function(){
spanobj.innertext='';
},1000);},10000); //每分鐘儲存一次
document.getelementbyid('btn1').attachevent('onclick',function(){
clearinterval(savetimer); //取消儲存
txtobj.removeattribute('ovalue');
});document.getelementbyid('btn2').attachevent('onclick',function(){
txtobj.load('saveddata');
alert(txtobj.getattribute('ovalue'));
//txtobj.value = txtobj.getattribute('ovalue');
});
};</script>
</head><body>
<span id="s1" style="color:red;"></span>
<p />
<textarea height="500" style="height:500px;width:500px;" id="txt1">
</textarea>
<p />
<input type="button" id="btn1" value="停止儲存" />
<input type="button" id="btn2" value="擷取儲存的值" />
</body>
</html>
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