Created
September 23, 2014 07:18
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formatDate
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/** | |
* format date. | |
* | |
* formatDate(new Date(),"yyyy-MM-dd hh:mm:ss") | |
* formatDate(new Date().setHours(0,0,0,0),"yyyy-MM-dd hh:mm:ss") | |
* | |
* 更建议用类库: [moment.js](http://momentjs.com/) | |
* | |
* @param {Date/Number} [obj] date to format, support Date or timestamp | |
* @param {String} [format] 格式 | |
* @return {String} 格式化后的字符串 | |
*/ | |
function formatDate(obj, format){ | |
var date = obj || new Date(); | |
if(obj && obj.toString !== '[object Date]'){ | |
if(isNaN(obj)){ | |
date = new Date(obj); | |
}else{ | |
date = new Date(); | |
date.setTime(obj); | |
} | |
} | |
format = format || "yyyy-MM-dd hh:mm:ss"; | |
var o = { | |
"M+" : date.getMonth()+1, //month | |
"d+" : date.getDate(), //day | |
"h+" : date.getHours(), //hour | |
"m+" : date.getMinutes(), //minute | |
"s+" : date.getSeconds(), //second | |
"q+" : Math.floor((date.getMonth()+3)/3), //quarter | |
"S" : date.getMilliseconds() //millisecond | |
} | |
if(/(y+)/.test(format)){ | |
format=format.replace(RegExp.$1, (date.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; | |
}; |
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