JS获取当前周、上一周、下一周日期

来源：互联网发布：清茶淘宝助手充值卡编辑：程序博客网时间：2024/06/06 02:30
完整html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>
0 0