js获取当前周、上一周、下一周日期
作者：大大大大糖糖
本文主要介绍了js获取当前周、上一周、下一周日期的实例，具有很好的参考价值。下面跟着小编一起来看下吧
效果图：
代码如下：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>日历操作</title>
<script>
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 = new Date(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(new Date());
}
</script>
</head>
<body>
<button id="last-week">上一周</button><button id="next-week">下一周</button>
<table id="monitor">
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</table>
</body>
</html>
以上就是本文的全部内容，希望本文的内容对大家的学习或者工作能带来一定的帮助，同时也希望多多支持脚本之家！