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<meta charset="UTF-8">
<script>
//一个 Date 的扩展方法，用于实现Java的SimpleDateFormat
//用法 new Date().formatDate("yyyy年MM月dd日 HH:mm:ss");
//大小写遵循 java 的日期格式
Date.prototype.formatDate=function(format){
var calc=function(num){
if(num<10){
return "0"+num;
}else{
return num;
}
}
var _date=format;
var day=calc(this.getDate());
var fullDay=this.getDate();
var month=this.getMonth()+1;
var fullMonth=calc(this.getMonth()+1);
var year=this.getFullYear();
var fullHour =this.getHours();
var hour=fullHour>12? "0"+fullHour-12: fullHour;
var minute =this.getMinutes();
var second =this.getSeconds();
_date=_date.replace("yyyy",year)
.replace("MM",fullMonth)
.replace("M",month)
.replace("dd",fullDay)
.replace("d",day)
.replace("HH",fullHour)
.replace("hh",hour)
.replace("mm",minute)
.replace("ss",second);
return _date;
}
//使用
alert(new Date().formatDate("yyyy年MM月dd日 hh:MM:ss"));
</script>
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