// 获取时间戳

var start = new Date().getTime();

console.log(start);

var end = '1553321456632';

console.log(timediff(start,end));

function timediff(begin_time, end_time) {

if (begin_time < end_time) {

starttime = begin_time;

endtime = end_time;

}else {

starttime = end_time;

endtime = begin_time;

}

//计算天数 1s=1000ms

var timediff = parseInt((endtime - starttime) / 1000);

var days = parseInt(timediff / 86400);

//计算小时数

var remain = (timediff % 86400);

var hours = parseInt(remain / 3600);

//计算分钟数

var remain = remain % 3600;

var mins = parseInt(remain / 60);

//计算秒数

if((remain % 60) <= 9){

var secs = '0'+remain % 60;

}else{

var secs = remain % 60;

}

var res = days + "天" + hours + "时" + mins + "分" + secs + "秒";

var res1 = hours+":"+mins + ":" + secs;

var res2 = mins + ":" + secs;

var res3 = secs;

return res;//需要什么格式的时间戳，就return 出 res2等

}

//函数1；获取开始于结束时间

getTimes:function(){//时间戳

let start = new Date().getTime();

console.log(start);

let end = '1553321456632';

console.log(this.timediff(start,end));

},

//调用时间戳，得出想要的时间戳格式

timediff(begin_time,end_time){

let starttime,endtime,timediff,days,remain,hours,mins,secs;

if (begin_time < end_time) {

starttime = begin_time;

endtime = end_time;

}else {

starttime = end_time;

endtime = begin_time;

}

//计算天数 1s=1000ms

timediff = parseInt((endtime - starttime) / 1000);

days = parseInt(timediff / 86400);

//计算小时数

remain = (timediff % 86400);

hours = parseInt(remain / 3600);

//计算分钟数

remain = remain % 3600;

mins = parseInt(remain / 60);

//计算秒数

if((remain % 60) <= 9){

secs = '0'+remain % 60;

}else{

secs = remain % 60;

}

let res = days + "天" + hours + "时" + mins + "分" + secs + "秒";

let res1 = hours+":"+mins + ":" + secs;

let res2 = mins + ":" + secs;

let res3 = secs;

//res,res1,res2,res3为你想返回的数据格式，比如返回时：分：秒格式 return res1

return res+';需要的时间戳格式:'+res1;

}