<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
#gap{
display: inline-block;
text-align: center;
width:500px;
}
#TIME{
display: inline-block;
width:200px;
text-align: center;
}
</style>
</head>
<body>
<input type="text" name="" id="TIME" value="" />
<input type="text" name="" id="USERTIME" value="" placeholder="输入要计算的时间" />
<input type="button" name="" id="btn" value="计算与当前时间的差" onclick="fun2()" />
<input type="text" name="" id="gap" value="" />
</body>
</html>
<script type="text/javascript">
function fun() {
var d = new Date();
var _y = d.getFullYear();
var _m = toTwo(d.getMonth()+1);
var _d = toTwo(d.getDate());
var _h = toTwo(d.getHours());
var _mm = toTwo(d.getMinutes());
var _s = toTwo(d.getSeconds());
var time = (_y + "年" + _m + "月" + _d + "日" + _h + "时" + _mm + "分" + _s + "秒");
TIME.value = time;
}
setInterval(fun, 1000)
function fun2() {
var m = new Date();
var _y = m.getFullYear();
var _m = toTwo(m.getMonth()+1);
var _d = toTwo(m.getDate());
var _h = toTwo(m.getHours());
var _mm = toTwo(m.getMinutes());
var _s = toTwo(m.getSeconds());
var time = (_y + "年" + _m + "月" + _d + "日" + _h + "时" + _mm + "分" + _s + "秒");
// var USERTIME=document.getElementById("USERTIME");
var str=USERTIME.value;//用户输入的时间
var n = new Date(str);//将用户输入的时间计算出一个新的时间
var sum=m-n//总共相差的时间
var year=toTwo(parseInt((m-n)/(1000*60*60*24*30*12)));//相差的年份
var month=toTwo(Math.round((m-n)/(1000*60*60*24*30)%12));//相差的月份
var day=toTwo(Math.round((m-n)/(1000*60*60*24)%24));//相差的天数
gap.value=USERTIME.value+"距离"+time+"相差大约"+year+"年"+month+"月"+day+"天";
}
function toTwo(v){
return v<10?"0"+v:v;
}
</script>
计算输入日期与当前日期的相差年份月份和天数
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转载自blog.csdn.net/weixin_44963099/article/details/89738526
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