flex 日期处理工具类

 根据别人写了类，自己又增加了一部分，贴出来分享
 /*获得两个日期之差 */
public static function getDateDiff(startDate:Date, endDate:Date):int
{
var diff:Number = (Number(endDate) - Number(startDate))/(3600000*24);
return diff;
}
/* 获得现在日期 */
public static function getDate():Number
{
return new Date();
}
/* 获得现在日期的月份 */
public static function getMonth():Number
{
return new Date().getMonth() + 1;
}
public static function getFullYear():Number
{
return new Date().getFullYear();
}
/* 获得给定年的天数 */
public static function getDaysOfYear(year:int):int
{
var startDate:Date = new Date(year, 0, 1);
var endDate:Date = new Date(year+1, 0, 1);
return (getDateDiff(startDate, endDate));
}
/* 获得给定年、月的天数 */
public static function getDaysOfMonth(year:int, month:int):int
{
var startDate:Date = new Date(year, month, 1);
var endDate:Date = new Date(year, month + 1, 1);
return (getDateDiff(startDate, endDate));

}
//获得给定年 全年月份的天数
public static function getMonthlyDayCounts(year:int):Array
{
var result:Array = [];
var startDate:Date;
var endDate:Date;
var monthlyDayCount:int;
for (var i:int = 0; i < 12; i++)
{
startDate = new Date(year, i, 1);
endDate = new Date(year, i +1, 1);
monthlyDayCount = getDateDiff(startDate, endDate);
result.push(monthlyDayCount);
}
return result;
}
/* 比较两个日期大小 */
public static function compare(date1:Date, date2:Date):int
{
if (Number(date1) < Number(date2))
{
return -1
}
if (Number(date1) == Number(date2))
{
return 0;
}
return 1;
}
//把date日期转化为String
public static function convertToDateString(date:Date):String
{
var year:String = date.getFullYear().toString();
var month:String = Number(date.getMonth() + 1) < 10 ? "0" + String(date.getMonth() + 1): String(date.getMonth() + 1);
var dates:String = Number(date.getDate()) < 10 ? "0" + String(date.getDate()): String(date.getDa