Javascriptʱ¼ä²î¼ÆË㺯Êý

JavaScriptʱ¼ä²î¼ÆË㺯Êý
<mce:script language="javascript"><!--
Date.prototype.dateDiff = function(interval,objDate){
//Èô參數²»×ã»ò objDate ²»ÊÇÈÕÆÚÎï¼þ則»Ø傳 undefined
if(arguments.length<2||objDate.constructor!=Date) return undefined;
switch (interval) {
//計ËãÃë²î
case "s":return parseInt((objDate-this)/1000);
//計Ëã·Ö²î
case "n":return parseInt((objDate-this)/60000);
//計Ëã時²î
case "h":return parseInt((objDate-this)/3600000);
//計ËãÈÕ²î
case "d":return parseInt((objDate-this)/86400000);
//計Ëã週²î
case "w":return parseInt((objDate-this)/(86400000*7));
//計ËãÔ²î
case "m":return (objDate.getMonth()+1)+((objDate.getFullYear()-this.getFullYear())*12)-(this.getMonth()+1);
//計ËãÄê²î
case "y":return objDate.getFullYear()-this.getFullYear();
//輸ÈëÓÐ誤
default:return undefined;
}
}
// --></mce:script>
ºô½Ð´Ë·½·¨µÄ範ÀýÈçÏÂ:
<mce:script language="javascript"><!--
var sDT = new Date("2004/05/20 07:30:00");
var eDT = new Date("2005/05/20 08:32:02");
document.writeln("Ãë²î : "+sDT.dateDiff("s",eDT)+"<br>");
document.writeln("·Ö²î : "+sDT.dateDiff("n",eDT)+"<br>");
document.writeln("時²î : "+sDT.dateDiff("h",eDT)+"<br>");
document.writeln("ÈÕ²î : "+sDT.dateDiff("d",eDT)+"<br>");
document.writeln("週²î : "+sDT.dateDiff("w",eDT)+"<br>");
document.writeln("Ô²î : "+sDT.dateDiff("m",eDT)+"<br>");
document.writeln("Äê²î : "+sDT.dateDiff("y",eDT)+"&l