<!--????
/**????
* 对Date的扩展，将 Date 转化为指定格式的String????
* 月(M)、日(d)、12小时(h)、24小时(H)、分(m)、秒(s)、周(E)、季度(q) 可以用 1-2 个占位符????
* 年(y)可以用 1-4 个占位符，毫秒(S)只能用 1 个占位符(是 1-3 位的数字)????
* eg:????
* (new Date()).pattern("yyyy-MM-dd hh:mm:ss.S") ==> 2006-07-02 08:09:04.423????
* (new Date()).pattern("yyyy-MM-dd E HH:mm:ss") ==> 2009-03-10 二 20:09:04????
* (new Date()).pattern("yyyy-MM-dd EE hh:mm:ss") ==> 2009-03-10 周二 08:09:04????
* (new Date()).pattern("yyyy-MM-dd EEE hh:mm:ss") ==> 2009-03-10 星期二 08:09:04????
* (new Date()).pattern("yyyy-M-d h:m:s.S") ==> 2006-7-2 8:9:4.18????
*/??????
Date.prototype.pattern=function(fmt) {???????
??? var o = {???????
??? "M+" : this.getMonth()+1, //月份???????
??? "d+" : this.getDate(), //日???????
??? "h+" : this.getHours()%12 == 0 ? 12 : this.getHours()%12, //小时???????
??? "H+" : this.getHours(), //小时???????
??? "m+" : this.getMinutes(), //分???????
??? "s+" : this.getSeconds(), //秒???????
??? "q+" : Math.floor((this.getMonth()+3)/3), //季度???????
??? "S" : this.getMilliseconds() //毫秒???????
??? };???????
??? var week = {???????
??? "0" : "\u65e5",???????
??? "1" : "\u4e00",???????
??? "2" : "\u4e8c",???????
??? "3" : "\u4e09",???????
??? "4" : "\u56db",???????
??? "5" : "\u4e94",???????
??? "6" : "\u516d"??????
??? };???????
??? if(/(y+)/.test(fmt)){???????
??????? fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length));???????
??? }???????
??? if(/(E+)/.test(fmt)){???????
??????? fmt=fmt.replace(RegExp.$1, ((RegExp.$1.length>1) ? (RegExp.$1.length>2 ? "\u661f\u671f" : "\u5468") : "")+week[this.getDay()+""]);???????
??? }???????
??? for(var k in o){???????
??????? if(new RegExp("("+ k +")").test(fmt)){???????
??????????? fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length)));???????
??????? }???????
??? }???????
??? return fmt;???????
}?????
//var date = new Date();????
//window.alert(date.pattern("yyyy-MM-dd hh:mm:ss"));?
//-->??