js根据日期计算周所在的范围

来源：互联网发布：java 捕获多个异常编辑：程序博客网时间：2024/05/16 02:25

可以根据某一个日期计算出周时间，并可以获取下一周，上一周的时间

下面是完整的html代码，希望能帮到大家

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html >

<head>

<metahttp-equiv="Content-Type"content="text/html; charset=utf-8" />

window.onload =function(){

var cells = document.getElementById('monitor').getElementsByTagName('td');

var clen = cells.length;

var currentFirstDate;

var formatDate = function(date){

var year = date.getFullYear()+'年';

var month = (date.getMonth()+1)+'月';

var day = date.getDate()+'日';

var week ='('+['星期天','星期一','星期二','星期三','星期四','星期五','星期六'][date.getDay()]+')';

return year+month+day+' '+week; };

var addDate=function(date,n){

date.setDate(date.getDate()+n);

return date;

};

var setDate =function(date){

var week = date.getDay()-1;

date = addDate(date,week*-1);

currentFirstDate =newDate(date);

for(var i = 0;i<clen;i++){

cells[i].innerHTML = formatDate(i==0 ? date : addDate(date,1));

}

};

document.getElementById('last-week').onclick = function(){

setDate(addDate(currentFirstDate,-7));

};

document.getElementById('next-week').onclick = function(){

setDate(addDate(currentFirstDate,7));

}; setDate(newDate());

}

</script>

</head>

<body>

<buttonid="last-week">上一周</button><buttonid="next-week">下一周</button>

<tableid="monitor">

<tr>

</tr>

</table>

</body>

</html>

阅读全文

0 0