flex 中 Date

我们常用下面的三个

public static function GetDate(s:String):Date
??{???
???
???if (s.length > 0)
???{
????var sArr:Array = s.split("-");
????if (sArr.length >= 3)
?????return new Date(sArr[0],int(sArr[1])-1,sArr[2]);
???}
???return new Date(1970,1,1);
??}

??public static function GetDateStr(dt:Date):String
??{
???var fmt:DateFormatter = new DateFormatter();
???fmt.formatString = "YYYY-MM-DD";
???return fmt.format(dt);
??}

public static function format(date:Date,formatString:String):String
??{
???if(date == null){
????return null;
???}
???var df:DateFormatter = new DateFormatter();
???df.formatString = formatString;
???return df.format(date);
??}

因为Date有构造方法

public function Date(yearOrTimevalue:Object,month:Number,date:Number = 1,hour:Number = 0,minute:Number = 0,second:Number = 0,
millisecond:Number = 0)

因此我们也可以自己写

public static function GetDateTime(s:String):Date??????????????? //2011-06-11 12:35:13
??{
???if (s.length > 0)
???{
????var ss:Array = s.split(" ");
????var sArr:Array = ss[0].split("-");
????var sArr1:Array = ss[1].split(":");
????return new Date(sArr[0],sArr[2],sArr1[0],sArr1[1],sArr1[2]);
???}
???
???return new Date(1970,1);
??}
??
??public static function GetDateTime2(s:String):Date????????? ?? //2011-06-11
??{
???if(s == null || s == "")
????return new Date(2010,1);
???
???else if (s.length > 0)
???{
????var ss:Array = s.split(" ");
????var sArr:Array = ss[0].split("-");
????return new Date(sArr[0],sArr[2]);
???}
???
???return new Date(2010,1);
??}

public static function GetMinutes(s:String):int
??{
???var dt:Date = GetDateTime(s);
???var dtNow:Date = new Date();
???var diff:Number = (dtNow.getTime() - dt.getTime()) /1000;
???return diff/60;
??}
??
??public static function GetWaitingDate(s:String):String
??{

???var dt:Date = GetDateTime(s);
???var dtNow:Date = new Date();
???var diff:Number = (dtNow.getTime() - dt.getTime()) /1000;

???//Alert.show(GetDateStr2(dt));
???
???var sRet:String = "";
???var iHour:int = 0;
???var iMinute:int = 0;
???var iSec:int = 0;
???if (diff > 3600*24)
???{
????var iDay:int = diff / (3600*24);
????//sRet = iDay + "天";
????diff = diff % (3600*24);
???}
???iHour = diff/3600;
???if (iHour > 0)
????diff = diff % 3600;
???iMinute = diff/60;
???if (iMinute > 0)
????diff = diff % 60;
???iSec = diff;
???var sHour:String = iHour.toString();
???if (sHour.length == 1)
????sHour = "0" + sHour;
???var sMin:String = iMinute.toString();
???if (sMin.length == 1)
????sMin = "0" + sMin;
???var sSec:String = iSec.toString();
???if (sSec.length == 1)
????sSec = "0" + sSec;
???
???sRet = sRet + sHour + ":" + sMin + ":" + sSec;
???return sRet;
??}

?

?

?

Date 容易混淆的属性date和day

date : Number?按照本地时间返回 Date 对象所指定的表示月中某天的值（1 到 31 之间的一个整数）。

?getDate():Number按照本地时间返回 Date 对象指定的月中某天的值（1 到 31 之间的一个整数）。

day : Number
[只读 (read-only)] 按照本地时间返回该 Date 所指定的星期值（0 代表星期日，1 代表星期一，依此类推）。

getDay():Number按照本地时间返回该 Date 所指定的星期值（0 代表星期日，1 代表星期一，依此类推）。