javascript日期格式化函數(shù),跟C#中的使用方法類似
背景
日期格式化是編程中最常用的功能之一,C#中的日期格式化功能做的相當(dāng)強(qiáng)大,方便易用,但JavaScript中卻很不給力,也有網(wǎng)友給出了日期格式化方法:http://www.rzrgm.cn/donghongtao/archive/2010/01/07/1641145.html,但用起來仍不方便。剛才看到博問中的一個問題(求一JS日期格式化函數(shù),最好跟C#中的使用方法類似),于是就把自己寫的一個日期格式化方法分享給大家,歡迎拍磚。
方法代碼
原理就是重寫Date的toString方法(跟C#保持一致),對傳入的格式化參數(shù)內(nèi)的內(nèi)容進(jìn)行替換,代碼如下:
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(); 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"]; var oNumber=time.Millisecond/1000; 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; } var d=new Date(); console.log(d.toString()); //2011-12-29 11:29:43 console.log(d.toString("")); //2011-12-29 11:29:43 console.log(d.toString("yyyy-MM-dd")); //2011-12-29 console.log(d.toString("HH:mm:ss")); //11:29:43 console.log(d.toString("yyyy-MM-dd HH:mm:ss")); //2011-12-29 11:29:43 console.log(d.toString("yyyy年MM月dd日 HH:mm:ss")); //2011年12月29日 11:29:43 console.log(d.toString("yyyy-MM-dd HH:mm:ss fff")); //2011-12-29 11:29:43 862
代碼中TMonth、TDay前的T表示兩位數(shù)(Two)。
小結(jié)
本人是javascript初學(xué)者,歡迎大家討論拍磚。

作者:Artwl
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