function click(){
注:如果时间是参数传入则需要注意格式
var beginTime = beginTime.replace(/\-/g, "/"); //yyyy/MM/dd HH:MM:SS ios只支持这种格式所以需要转换一下
var endTime = endTime.replace(/\-/g, "/");
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; //两个时间戳相差的毫秒数
var days=Math.floor(usedTime/(24*3600*1000));
log("相差天days:"+days);//相差天数
var leave1=usedTime%(24*3600*1000); //计算天数后剩余的毫秒数
log("leave1:"+leave1);
var hours=Math.floor(leave1/(3600*1000));
var leave2=leave1%(3600*1000); //计算小时数后剩余的毫秒数
var minutes=Math.floor(leave2/(60*1000));//计算出剩余分
log("剩余分minutes:"+minutes);
var time = days + "天"+hours+"时"+minutes+"分";
log("time:"+time);
var xiaos = Number(days*24)+Number(hours);
log("time2:"+xiaos+"时"+minutes+"分");
return time;
}