綜合整理之后的PowerDate .
<script language="JavaScript">
<!--
function PowerDate(){
/* 名稱(chēng): PowerDate
* 版本: v Beta 1.0
* 作者: 梅雪香(meixx)
* 說(shuō)明: PowerDate 基本實(shí)現了較常見(jiàn)的對于日期的操作,但不包括農歷.
* 注意: 您可以隨意復制此程序,請保留該說(shuō)明.您可以隨意更改此程序,如發(fā)現有BUG或者有改進(jìn)請
* mail給我一份,我的E-mail:wy_hd@163.com 或者在CSDN給我留言,我的ID是:zhaoxiaoyang
*/
//日期對象
this.date=null;
//格式化時(shí)是否加零補位標志,默認為不加零false
this.isFmtZero=false;
this.weekArr=[["星期日","星期一","星期二","星期三","星期四","星期五","星期六"],
["SUN","MON","TUR","WED","THU","FRI","SAT"]];
this.monthArr=["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"];
//初始化日期對象
switch(arguments.length){
case 0:
this.date = new Date();
break;
case 1:
//如果為日期類(lèi)型
if(typeof(arguments[0]) == "object" && (/Date/.test(arguments[0].constructor))){
this.date = arguments[0];
}else{//字符串類(lèi)型或者毫秒數
var reg = /^(\d{2,4})\D+(\d{1,2})\D+(\d{1,2})$/;
var str = arguments[0].replace(/\s/g,"");
str = str.replace(reg,"$1/$2/$3");
this.date = new Date(str);
}
break;
case 2: //年月----此時(shí)初始化為年月的1號
this.date = new Date(arguments[0],arguments[1]-1,1);
break;
case 3: //年月日
this.date = new Date(arguments[0],arguments[1]-1,arguments[2]);
break;
case 6: //年月日時(shí)分秒
this.date = new Date(arguments[0],arguments[1]-1,arguments[2],arguments[3],arguments[4],arguments[5]);
break;
case 7: //年月日時(shí)分秒毫秒
this.date = new Date(arguments[0],arguments[1]-1,arguments[2],arguments[3],arguments[4],arguments[5],arguments[6]);
break;
default: this.date = new Date("1970/1/1"); break;
}
//初始化失敗處理
if(typeof(this.date) != "object" || !(/Date/.test(this.date.constructor)))
throw (new Error(-1, ‘構造PowerDate方法失敗,檢查輸入
this.getDate = function (){
return this.date;
}
this.getFullYear=function(){
return this.date.getFullYear();
};
this.getYear=function(){
return this.date.getYear();
};
this.getMonth=function(){
return this.frmWithZero(this.date.getMonth()+1);
};
this.getDay=function(){
return this.frmWithZero(this.date.getDate());
};
this.getHour=function(){
return this.frmWithZero(this.date.getHours());
};
this.getMinute=function(){
return this.frmWithZero(this.date.getMinutes());
};
this.getSecond=function(){
return this.frmWithZero(this.date.getSeconds());
};
this.getMillisecond=function(){
var ss=this.date.getMilliseconds();
if(this.isFmtZero==true && ss<10)
return "00"+ss;
else if(this.isFmtZero==true && ss<100)
return "0"+ss;
else return ss;
};
this.getWeek=function(){
return this.date.getDay();
};
this.setIsFmtZero=function(val){
this.isFmtZero=val;
};
this.frmWithZero = function(num){
if(this.isFmtZero==true && num<10)
return "0"+num;
else return num;
}
/*
* 功能:根據輸入表達式返回日期字符串
* 參數:dateFmt:字符串,由以下結構組成
* yy:長(cháng)寫(xiě)年,YY:短寫(xiě)年mm:數字月,MM:
* mi:分,ss秒,ms:毫秒,we:漢字星期,WE:英文星期.
*/
this.getString=function(dateFmt){
if(typeof(dateFmt) != "string" )
throw (new Error(-1, ‘getString()方法需要字符串類(lèi)型參數!‘));
var str=dateFmt;
str=str.replace(/yy/g,this.getFullYear());
str=str.replace(/YY/g,this.getYear());
str=str.replace(/mm/g,this.getMonth());
str=str.replace(/MM/g,this.monthArr[this.getMonth()-1]);
str=str.replace(/dd/g,this.getDay());
str=str.replace(/hh/g,this.getHour());
str=str.replace(/mi/g,this.getMinute());
str=str.replace(/ss/g,this.getSecond());
str=str.replace(/ms/g,this.getMillisecond());
str=str.replace(/we/g,this.weekArr[0][this.getWeek()]);
str=str.replace(/WE/g,this.weekArr[1][this.getWeek()]);
return str;
};
/* 功能 : 返回與某日期相距N天(N個(gè)24小時(shí))的日期
* 參數 : num number類(lèi)型 可以為正負整數或者浮點(diǎn)數,默認為1;
* type 0(秒) or 1(天),默認為秒
* 返回 : 新的PowerDate類(lèi)型
*/
this.dateAfter=function(num,type){
num = (num == null?1:num);
if(typeof(num)!="number") throw new Error(-1,"dateAfterDays(num)參數為數值類(lèi)型.");
var iType = (type==null?0:type);
var arr = [1000,86400000];
var dd = this.date.valueOf();
dd += num*arr[type];
this.date=new Date(dd);
return this;
};
//判斷是否是閏年,返回true 或者 false
this.isLeapYear = function (){
var year = this.getFullYear();
return (0==year%4 && ((year % 100 != 0)||(year % 400 == 0)));
};
//返回該月天數
this.getDaysOfMonth = function (){
return (new Date(this.getFullYear(),this.getMonth(),0)).getDate();
};
//轉換成大寫(xiě)日期(中文)
this.getChinaDate = function(){
var year = this.getFullYear();
var month= this.getMonth();
var day = this.getDay();
var arrNum = ["零","一","二","三","四","五","六","七","八","九","十","十一","十二"];
var strTmp="";
for(var i=0,j=year.length;i<j;i++){
strTmp += arrNum[year.charAt(i)];
}
strTmp += "年";
strTmp += arrNum[month]+"月";
if(day<10)
strTmp += arrNum[day];
else if (day <20)
strTmp += "十"+arrNum[day-10];
else if (day <30 )
strTmp += "二十"+arrNum[day-20];
else
strTmp += "三十"+arrNum[day-30];
strTmp += "日";
return strTmp;
};
//日期比較函數,參數為pd類(lèi)型如this日期晚于參數:1,相等:0 早于: -1
this.dateCompare = function(pd){
if(typeof(pd) != "object" || pd.toString() != "PowerDate")
throw new Error(-1,"dateCompare(pd)的pd參數為PowerDate類(lèi)型.");
var d = this.date.getTime() - pd.getDate().getTime();
return d>0?1:(d==0?0:-1);
}
/*功能:返回兩日期之差
*參數:pd PowerDate對象
* type: 返回類(lèi)別標識.yy:年,mm:月,ww:周,dd:日,hh:小時(shí),mi:分,ss:秒,ms:毫秒
* intOrFloat :返回整型還是浮點(diǎn)型值 0:整型,不等于0:浮點(diǎn)型
* output : 輸出提示,如:
*/
this.calDateDistance = function (pd,type,intOrFloat,output){
if(typeof(pd) != "object" || pd.toString() != "PowerDate")
throw new Error(-1,"calDateDistance(pd,type,intOrFloat)的pd參數為PowerDate類(lèi)型.");
if(!((new RegExp(type+",","g")).test("yy,mm,ww,dd,hh,mi,ss,ms,")))
throw new Error(-1,"calDateDistance(pd,type,intOrFloat,output)的type參數為非法.");
var iof = (intOrFloat==null?0:intOrFloat);
var miSecMain = this.date.valueOf();
var miSecSub = pd.getDate().valueOf();
var num=0;
switch(type){
case "yy": num = this.getFullYear() - pd.getFullYear(); break;
case "mm": num = (this.getFullYear() - pd.getFullYear())*12+this.getMonth()-pd.getMonth(); break;
case "ww": num = this.fmtRtnVal((miSecMain-miSecSub)/7/86400000,iof); break;
case "dd": num = this.fmtRtnVal((miSecMain-miSecSub)/86400000,iof); break;
case "hh": num = this.fmtRtnVal((miSecMain-miSecSub)/3600000,iof); break;
case "mi": num = this.fmtRtnVal((miSecMain-miSecSub)/60000,iof); break;
case "ss": num = this.fmtRtnVal((miSecMain-miSecSub)/1000,iof); break;
case "ms": num = (miSecMain-miSecSub);break;
default: break;
}
if(output)
return output.replace(/#/g,num);
else return num;
};
//返回整數或者兩位小數的浮點(diǎn)數
this.fmtRtnVal = function (val,intOrFloat){
//alert(val);
return (intOrFloat == 0 ? Math.floor(val) : parseInt(val*100)/100);
};
//重載toString 方法,用來(lái)判斷是否為PowerDate對象
this.toString=function(){ return "PowerDate"};
}
var d= new PowerDate(new Date());//實(shí)例化一個(gè)PowerDate對象
d.setIsFmtZero(true);//設置為用0補位輸出
//alert(d.getString("yy-mm-dd hh:mi:ss.ms"));
//alert(d.getString("ms.ss:mi:hh dd-mm-yy"));
alert(d.calDateDistance(new PowerDate("2005/5/31"),"dd"));//輸出日期字符串
//-->
</script>
問(wèn)題點(diǎn)數：20、回復次數：17Top
這年頭做好人也要有實(shí)力才行啊!Top
這年頭做好人也要有實(shí)力才行啊!
呵呵Top
收藏一下，摟主JJ幫助過(guò)偶的，一生難忘啊Top
not JJ but GG!Top
重寫(xiě)了,少了不少代碼
<script language="JavaScript">
<!--
/*用相對不規則的字符串來(lái)創(chuàng )建日期對象,不規則的含義為:順序包含年月日三個(gè)數值串,有間隔*/
String.prototype.createDate = function(){
var reg = /^\D*(\d{2,4})\D+(\d{1,2})\D+(\d{1,2})\D*$/;
var str = this.replace(/\s/g,"");
str = str.replace(reg,"$1/$2/$3");
var date = new Date(str);
if(isNaN(date)) return new Date();
else return date;
}
/*
* 功能:根據輸入表達式返回
* 參數:dateFmt:字符串,由以下結構組成
* yy:長(cháng)寫(xiě)年,YY:短寫(xiě)年mm:數字月,MM:英文月,dd:日,hh:時(shí),
* mi:分,ss秒,ms:毫秒,we:漢字星期,WE:英文星期.
* isFmtWithZero : 是否用0進(jìn)行格式化,true or false
*/
Date.prototype.parseString = function(dateFmt,isFmtWithZero){
dateFmt = (dateFmt == null?"yy-mm-dd" : dateFmt);
isFmtWithZero = (isFmtWithZero == null?true : isFmtWithZero);
if(typeof(dateFmt) != "string" )
throw (new Error(-1, ‘parseString()方法需要字符串類(lèi)型參數!‘));
var weekArr=[["星期日","星期一","星期二","星期三","星期四","星期五","星期六"],
["SUN","MON","TUR","WED","THU","FRI","SAT"]];
var monthArr=["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"];
var str=dateFmt;
str = str.replace(/yy/g,this.getFullYear());
str = str.replace(/YY/g,this.getYear());
str = str.replace(/mm/g,(this.getMonth()+1).toString().fmtWithZero(isFmtWithZero));
str = str.replace(/MM/g,monthArr[this.getMonth()]);
str = str.replace(/dd/g,this.getDate().toString().fmtWithZero(isFmtWithZero));
str = str.replace(/hh/g,this.getHours().toString().fmtWithZero(isFmtWithZero));
str = str.replace(/mi/g,this.getMinutes().toString().fmtWithZero(isFmtWithZero));
str = str.replace(/ss/g,this.getSeconds().toString().fmtWithZero(isFmtWithZero));
str = str.replace(/ms/g,this.getMilliseconds().toString().fmtWithZeroD(isFmtWithZero));
str = str.replace(/we/g,weekArr[0][this.getDay()]);
str = str.replace(/WE/g,weekArr[1][this.getDay()]);
return str;
}
/*將一位數字格式化成兩位,如: 9 to 09*/
String.prototype.fmtWithZero = function(isFmtWithZero){
if(isFmtWithZero)
return (this<10?"0"+this:this);
else return this;
}
String.prototype.fmtWithZeroD = function(isFmtWithZero){
if(isFmtWithZero)
return (this<10?"00"+this:(this<100?"0"+this:this));
else return this;
}
/* 功能 : 返回與某日期相距N天(N個(gè)24小時(shí))的日期
* 參數 : num number類(lèi)型 可以為正負整數或者浮點(diǎn)數,默認為1;
* type 0(秒) or 1(天),默認為秒
* 返回 : 新的PowerDate類(lèi)型
*/
Date.prototype.dateAfter=function(num,type){
num = (num == null?1:num);
if(typeof(num)!="number") throw new Error(-1,"dateAfterDays(num,type)的num參數為數值類(lèi)型.");
type = (type==null?0:type);
var arr = [1000,86400000];
var dd = this.valueOf();
dd += num*arr[type];
return new Date(dd);
}
//判斷是否是閏年,返回true 或者 false
Date.prototype.isLeapYear = function (){
var year = this.getFullYear();
return (0==year%4 && ((year % 100 != 0)||(year % 400 == 0)));
}
//返回該月天數
Date.prototype.getDaysOfMonth = function (){
return (new Date(this.getFullYear(),this.getMonth()+1,0)).getDate();
}
//轉換成大寫(xiě)日期(中文)
Date.prototype.getChinaDate = function(){
var year = this.getFullYear().toString();
var month= this.getMonth()+1;
var day = this.getDate();
var arrNum = ["零","一","二","三","四","五","六","七","八","九","十","十一","十二"];
var strTmp="";
for(var i=0,j=year.length;i<j;i++){
strTmp += arrNum[year.charAt(i)];
}
strTmp += "年";
strTmp += arrNum[month]+"月";
if(day<10)
strTmp += arrNum[day];
else if (day <20)
strTmp += "十"+arrNum[day-10];
else if (day <30 )
strTmp += "二十"+arrNum[day-20];
else
strTmp += "三十"+arrNum[day-30];
strTmp += "日";
return strTmp;
}
//日期比較函數,參數date:為Date類(lèi)型,如this日期晚于參數:1,相等:0 早于: -1
Date.prototype.dateCompare = function(date){
if(typeof(date) != "object" || !(/Date/.test(date.constructor)))
throw new Error(-1,"dateCompare(date)的date參數為Date類(lèi)型.");
var d = this.getTime() - date.getTime();
return d>0?1:(d==0?0:-1);
}
/*功能:返回兩日期之差
*參數:pd PowerDate對象
* type: 返回類(lèi)別標識.yy:年,mm:月,ww:周,dd:日,hh:小時(shí),mi:分,ss:秒,ms:毫秒
* intOrFloat :返回整型還是浮點(diǎn)型值 0:整型,不等于0:浮點(diǎn)型
* output : 輸出提示,如:時(shí)間差為#周!
*/
Date.prototype.calDateDistance = function (date,type,intOrFloat,output){
if(typeof(date) != "object" || !(/Date/.test(date.constructor)))
throw new Error(-1,"calDateDistance(date,type,intOrFloat)的date參數為Date類(lèi)型.");
type = (type==null?‘dd‘:type);
if(!((new RegExp(type+",","g")).test("yy,mm,ww,dd,hh,mi,ss,ms,")))
throw new Error(-1,"calDateDistance(pd,type,intOrFloat,output)的type參數為非法.");
var iof = (intOrFloat==null?0:intOrFloat);
var miSecMain = this.valueOf();
var miSecSub = date.valueOf();
var num=0;
switch(type){
case "yy": num = this.getFullYear() - pd.getFullYear(); break;
case "mm": num = (this.getFullYear() - pd.getFullYear())*12+this.getMonth()-pd.getMonth(); break;
case "ww": num = ((miSecMain-miSecSub)/7/86400000).fmtRtnVal(iof); break;
case "dd": num = ((miSecMain-miSecSub)/86400000).fmtRtnVal(iof); break;
case "hh": num = ((miSecMain-miSecSub)/3600000).fmtRtnVal(iof); break;
case "mi": num = ((miSecMain-miSecSub)/60000).fmtRtnVal(iof); break;
case "ss": num = ((miSecMain-miSecSub)/1000).fmtRtnVal(iof); break;
case "ms": num = (miSecMain-miSecSub);break;
default: break;
}
if(output)
return output.replace(/#/g,num);
else return num;
}
//返回整數或者兩位小數的浮點(diǎn)數
Number.prototype.fmtRtnVal = function (intOrFloat){
return (intOrFloat == 0 ? Math.floor(this) : parseInt(this*100)/100);
}
//-->
</script>
<script language="JavaScript">
<!--
var date = "2004-05-25".createDate();
alert(date.parseString("yy-YY-mm-MM-dd hh:mi:ss.ms WE we",true));
alert(date.calDateDistance(new Date(),"dd",1,"相差#天!"));
//-->
</script>
聯(lián)系客服
