<?phpheader("content-type:text/html;charset=utf-8");//如果不是UTF-8编码请删除上面这句.date_default_timezone_set("PRC");echo ‘<div id="time"></div><script type="text/javascript">        function $(o){            return document.getElementById(o);        }        var ts=‘.(round(microtime(true)*1000)).‘;        function getTime(){            var t=new Date(ts);            with(t){                var _time="现在是:"+getFullYear()+"-" + (getMonth()+1)+"-"+getDate()+" " + (getHours()<10 ? "0" :"") + getHours() + ":" + (getMinutes()<10 ? "0" :"") + getMinutes() + ":" + (getSeconds()<10 ? "0" :"") + getSeconds();            }            $("time").innerHTML=_time;            setTimeout("getTime()",1000);            ts+=1000;        }        getTime();</script>‘;?>

<IFRAME border=0   marginWidth=0 marginHeight=0  src="http://www.mamicode.com/time.php" frameBorder=no  scrolling=no width="400" height="100%"></IFRAME>