function click(){
var stime = Date.parse(new Date('2019-03-11 10:07:45'));
var etime = Date.parse(new Date('2019-03-17 09:29:27'));
var usedTime = etime - stime; //兩個時間戳相差的毫秒數
var days=Math.floor(usedTime/(24*3600*1000));
log("相差天days:"+days);//相差天數
var leave1=usedTime%(24*3600*1000); //計算天數後剩餘的毫秒數
log("leave1:"+leave1);
var hours=Math.floor(leave1/(3600*1000));
var leave2=leave1%(3600*1000); //計算小時數後剩餘的毫秒數
var minutes=Math.floor(leave2/(60*1000));//計算出剩餘分
log("剩餘分minutes:"+minutes);
var time = days + "天"+hours+"時"+minutes+"分";
log("time:"+time);
var xiaos = Number(days*24)+Number(hours);
log("time2:"+xiaos+"時"+minutes+"分");
return time;
}