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

 <html>

     <head>

         <base href="<%=basePath%>">

         <title>My JSP 'index.jsp' starting page</title>

         <meta http-equiv="pragma" content="no-cache">

         <meta http-equiv="cache-control" content="no-cache">

         <meta http-equiv="expires" content="0">

         <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

         <meta http-equiv="description" content="This is my page">

         <!--

     <link rel="stylesheet" type="text/css" href="styles.css">

     -->

         <script type="text/javascript">

 window.onload = function() {

     document.getElementById("textContext").value = new Date()

             .format("yyyy-MM-dd");

     ;

 }

 /**

  * 时间对象的格式化

  */

 Date.prototype.format = function(format) {

     /*

      * format="yyyy-MM-dd hh:mm:ss";

      */

     var o = {

         "M+" : this.getMonth() + 1,

         "d+" : this.getDate(),

         "h+" : this.getHours(),

         "m+" : this.getMinutes(),

         "s+" : this.getSeconds(),

         "q+" : Math.floor((this.getMonth() + 3) / 3),

         "S" : this.getMilliseconds()

     }

     if (/(y+)/.test(format)) {

         format = format.replace(RegExp.$1, (this.getFullYear() + "")

                 .substr(4 - RegExp.$1.length));

     }

     for ( var k in o) {

         if (new RegExp("(" + k + ")").test(format)) {

             format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k]

                     : ("00" + o[k]).substr(("" + o[k]).length));

         }

     }

     return format;

 }

 /**

  * 时间对象的格式化

  */

 Date.prototype.format = function(format) {

     /*

      * format="yyyy-MM-dd hh:mm:ss";

      */

     var o = {

         "M+" : this.getMonth() + 1,

         "d+" : this.getDate(),

         "h+" : this.getHours(),

         "m+" : this.getMinutes(),

         "s+" : this.getSeconds(),

         "q+" : Math.floor((this.getMonth() + 3) / 3),

         "S" : this.getMilliseconds()

     }

     if (/(y+)/.test(format)) {

         format = format.replace(RegExp.$1, (this.getFullYear() + "")

                 .substr(4 - RegExp.$1.length));

     }

     for ( var k in o) {

         if (new RegExp("(" + k + ")").test(format)) {

             format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k]

                     : ("00" + o[k]).substr(("" + o[k]).length));

         }

     }

     return format;

 }

 </script>

     </head>

     <body>

         <input id="textContext">

         <input type="button" onclick="">

     </body>

 </html>