jqeruy时间处理

function dataFormatter1(value, row, index){    if(value==null){        return '';    }    var newDate = laydate.now(value,'YYYY-MM-DD hh:mm:ss');    //当前年份    var myDate = new Date;    var newYear = myDate.getFullYear();    //数据年份    var dataYear = newDate.substring(0,4);    if(newYear==dataYear){        return  newDate.substring(5,newDate.length);    }else{        return  laydate.now(value,'YYYY-MM-DD hh:mm:ss');    }}