php js动态显示系统时间 PHP+JS动态显示当前时间

header("content-type:text/html;charset=gb2312");

date_default_timezone_set("PRC");

echo '

var dayNames = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");

function get_obj(time){

return document.getElementById(time);

}

var ts='.(round(microtime(true)*1000)).';

function getTime(){

var t=new Date(ts);

with(t){

var _time=""+getFullYear()+"-" + (getMonth()+1)+"-"+getDate()+" " + (getHours()<10 ? "0" :"") + getHours() + ":" + (getMinutes()<10 ? "0" :"") + getMinutes() + ":" + (getSeconds()<10 ? "0" :"") + getSeconds() + " " + dayNames[t.getDay()];

}

get_obj("time").innerHTML=_time;

setTimeout("getTime()",1000);

ts+=1000;

}

getTime();

';

?>

显示格式：-5-5 19:18:50 星期四