<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
<script type="text/javascript">
getDataId=function()
{
return new Date().getTime()+getRandomNum(1,10,3)
//return new Date().getTime()
//return getRandomNum(1,10,3);
};
getRandomNum=function(a,e,k)
{ var h="";
for(var c=0;c<k;c++)
{
var f=e-a;var b=Math.random(); h+=(a+Math.round(b*f))
}
return h
};
function aa()
{
document.getElementById('aaa').value=getDataId();
}
</script>
</head>
<body>
<input type='button' value="点击" onclick="aa();">
<input type='text' value='' id="aaa"/>
</body>
</html>