php+js倒计时代码秒不动解决思路

php+js倒计时代码秒不动
从网上找的这段代码运行之后秒是不动的为什么？

PHP code


 
connect();

$query="SELECT * FROM PICKUPTIME ORDER BY deadline ASC";
$sql=queryMysql($query);
?>



    

    

    
    ">
    ">

------解决方案--------------------

JScript code

//setTimeout("getTheTime("+D+","+i+")",1000);
setInterval("getTheTime('" + D + "'," + i + ")", 1000);