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获取本周的起止日期
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script> window.onload = function(){ var a = document.getElementById(‘a‘); var b = document.getElementById(‘b‘); //var clen = cells.length; var currentFirstDate; var formatDate = function(date){ var year = date.getFullYear()+‘-‘; var month = (date.getMonth()+1); var day = date.getDate(); if(month<10) { month=‘0‘+month+‘-‘; }else{ month=month+‘-‘ } if(day<10) { day=‘0‘+day; } return year+month+day+‘ ‘; }; 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); a.value=formatDate( addDate(date,0)); b.value=formatDate( addDate(date,6)); }; setDate(new Date()); } </script> </head> <body> <input type="text" id="a" value=""> <input type="text" id="b" value=""> </body> </html>
获取上一周下一周的日期
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <style> td{ border:1px solid; } button{ margin: 5px; } </style> <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>
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原文地址:http://www.cnblogs.com/Secretmm/p/5676832.html