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【JS】日期格式化

作者:草根程序猿 / 发布于2012/7/27/ 628

日期格式化

<div>Date.prototype.toString=function(format,loc){
 var time={};
 time.Year=this.getFullYear();
 time.TYear=(""+time.Year).substr(2);
 time.Month=this.getMonth()+1;
 time.TMonth=time.Month<10?"0"+time.Month:time.Month;
 time.Day=this.getDate();
 time.TDay=time.Day<10?"0"+time.Day:time.Day;
 time.Hour=this.getHours();
 time.THour=time.Hour<10?"0"+time.Hour:time.Hour;
 time.hour=time.Hour<13?time.Hour:time.Hour-12;
 time.Thour=time.hour<10?"0"+time.hour:time.hour;
 time.Minute=this.getMinutes();
 time.TMinute=time.Minute<10?"0"+time.Minute:time.Minute;
 time.Second=this.getSeconds();
 time.TSecond=time.Second<10?"0"+time.Second:time.Second;
 time.Millisecond=this.getMilliseconds();
 time.Week=this.getDay();</div>
<div> var MMMArrEn=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
 var MMMArr=["一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"];
 var WeekArrEn=["Sun","Mon","Tue","Web","Thu","Fri","Sat"];
 var WeekArr=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];</div>
<div> var oNumber=time.Millisecond/1000;</div>
<div> if(format!=undefined && format.replace(/\s/g,"").length>0){
 if(loc!=undefined && loc =="en"){
 MMMArr=MMMArrEn.slice(0);
 WeekArr=WeekArrEn.slice(0);
 }
 format=format
 .replace(/yyyy/ig,time.Year)
 .replace(/yyy/ig,time.Year)
 .replace(/yy/ig,time.TYear)
 .replace(/y/ig,time.TYear)
 .replace(/MMM/g,MMMArr[time.Month-1])
 .replace(/MM/g,time.TMonth)
 .replace(/M/g,time.Month)
 .replace(/dd/ig,time.TDay)
 .replace(/d/ig,time.Day)
 .replace(/HH/g,time.THour)
 .replace(/H/g,time.Hour)
 .replace(/hh/g,time.Thour)
 .replace(/h/g,time.hour)
 .replace(/mm/g,time.TMinute)
 .replace(/m/g,time.Minute)
 .replace(/ss/ig,time.TSecond)
 .replace(/s/ig,time.Second)
 .replace(/fff/ig,time.Millisecond)
 .replace(/ff/ig,oNumber.toFixed(2)*100)
 .replace(/f/ig,oNumber.toFixed(1)*10)
 .replace(/EEE/g,WeekArr[time.Week]);
 }
 else{
 format=time.Year+"-"+time.Month+"-"+time.Day+" "+time.Hour+":"+time.Minute+":"+time.Second;
 }
 return format;
}
<div>var d=new Date();
console.log(d.toString()); //2012-7-27 9:26:52
console.log(d.toString("")); //2012-7-27 9:26:52
console.log(d.toString("yyyy-MM-dd HH:mm:ss")); //2012-07-27 09:26:52
console.log(d.toString("yyyy年MM月dd日 HH:mm:ss")); //2012年07月27日 09:26:52
console.log(d.toString("yyyy-MM-dd HH:mm:ss fff")); //2012-07-27 09:26:52 237
console.log(d.toString("yyyy年 MMM dd EEE")); //2012年 七月 27 星期五
console.log(d.toString("yyyy MMM dd EEE","en")); //2012 Jul 27 Fri</div>

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