ok

[php]

//比較那個日期大
function Fun_CompareDateandTime(firstDateString,secondDateString){
var value=0;
if ( Date.parse ( firstDateString ) > Date.parse ( secondDateString ) ) {
// first date is greater
console.log( "firstDateString big");
value=1;
}else if ( Date.parse ( firstDateString ) == Date.parse ( secondDateString ) ) {
// first date is greater
value=0;
}else{
console.log( "firstDateString small");
value=-1;
}
return value;
}

Fun_CompareDateandTime("2017-03-13 05:53:22","2018-02-01 04:54:02");
[/php]