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As3 常用日期工具

2024-07-03 18:13:26   227人阅读

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package com.lj.utils  
{  
    import mx.controls.DateField;  
    import mx.controls.dataGridClasses.DataGridColumn;  
    import mx.formatters.DateFormatter;  
   
    /** 
     * <p>Title:日期时间工具类 </p> 
     * <p>Description:提供时间日期的一些to string 或  string to 的操作</p> 
     * <p>Copyright: 个人所有</p> 
     * <p>Company: 刘军</p> 
     * @author 刘军 TomLiu 
     * @version 1.0 LastUpdata: 2012-12-29 
     */ 
    public class DateTimeUtils  
    {  
   
        public static const MILLISECOND:Number=1;  
        public static const SECOND:Number=MILLISECOND * 1000;  
        public static const MINUTE:Number=SECOND * 60;  
        public static const HOUR:Number=MINUTE * 60;  
        public static const DAY:Number=HOUR * 24;  
        public static const WEEK:Number=DAY * 7;  
        public static const CHINESE_DATE_FORMAT:String="YYYY-MM-DD";  
        public static const CHINESE_DATETIME_FORMAT:String="YYYY-MM-DD";  
   
   
   
        /** 
         * 字符串转换成日期类型（使用mx.controls.DateField类） 
         * @param dateString 
         * @param formatString 
         * @return  
         */ 
        public static function stringToDate(dateString:String, formatString:String=CHINESE_DATE_FORMAT):Date  
        {  
            return DateField.stringToDate(dateString,formatString);  
        }  
            
        /** 
         * 日期转换成字符串类型（使用mx.controls.DateField类） 
         * @param date 
         * @param formatString 
         * @return  
         */ 
        public static function dateToString(date:Date,formatString:String=CHINESE_DATE_FORMAT):String{  
            return DateField.dateToString(date,formatString);  
        }  
   
        /** 
         * 格式化时间YYYY-MM-DD 
         * @param date 
         * @param formatString 
         * @return 
         */ 
        public static function formatDateTime(date:Date, formatString:String=CHINESE_DATE_FORMAT):String  
        {  
   
            //需要as3corelib.swc如果没有可以直接使用 ：return dateToString(data,formatString);  
            var dateFormater:DateFormatter=new DateFormatter();  
            dateFormater.formatString=formatString;  
            return dateFormater.format(date);  
        }  
   
        /** 
         * 格式化时间YYYY-MM-DD HH:NN:SS 
         * @param date 
         * @param formatString 
         * @return 
         */ 
        public static function formatFullDateTime(date:Date, formatString:String=CHINESE_DATETIME_FORMAT):String  
        {  
            //需要as3corelib.swc如果没有可以直接使用 ：return dateToString(data,formatString);  
            var dateFormater:DateFormatter=new DateFormatter();  
            dateFormater.formatString=formatString;  
            return dateFormater.format(date);  
        }  
   
        /** 
         * 为DataGridColumn提供时间格式化的labelFunction 
         * 
         * @param item 
         * @param column 
         * @return 
         * 
         */ 
        public static function formatDateForDataGridColumn(item:Object, column:DataGridColumn):String  
        {  
   
            return formatDateTime(item[column.dataField], CHINESE_DATE_FORMAT);  
        }  
   
        /** 
         * 为DataGridColumn提供时间格式化的labelFunction 
         * 
         * @param item 
         * @param column 
         * @return 
         * 
         */ 
        public static function formatDateTimeForDataGridColumn(item:Object, column:DataGridColumn):String  
        {  
   
            return formatDateTime(item[column.dataField], CHINESE_DATETIME_FORMAT);  
        }  
   
        /** 
         * 给制定时间添加天数或减少天数 
         * @param date 
         * @param addDay 
         * @return 
         * 
         */ 
        public static function addDaysByDateTime(date:Date, addDay:Number):Date  
        {  
            return new Date(date.getTime() + addDay * DAY);  
        }  
            
        /** 
         * 取下一天 
         */ 
        public static function  getNextDay(currentDate:Date):Date{  
            return addDaysByDateTime(currentDate,1);  
        }  
            
        /** 
         * 取上一天 
         */ 
        public static function  getLastDay(currentDate:Date):Date{  
            return addDaysByDateTime(currentDate,-1);  
        }  
   
        /** 
         * 取下一个月 
         */ 
        public static function getNextMonth(currentDate:Date):Date  
        {  
            var returnDate:Date=new Date(currentDate.getTime());  
            returnDate.setMonth(returnDate.getMonth() + 1, returnDate.getDate());  
            return returnDate;  
        }  
            
        /** 
         * 取上一个月 
         */ 
        public static function getLastMonth(currentDate:Date):Date  
        {  
            var returnDate:Date=new Date(currentDate.getTime());  
            returnDate.setMonth(returnDate.getMonth() - 1, returnDate.getDate());  
            return returnDate;  
        }  
   
        /** 
         * 取下一个年 
         */ 
        public static function getNextYear(currentDate:Date):Date  
        {  
            var returnDate:Date=new Date(currentDate.getTime());  
            returnDate.setFullYear(returnDate.getFullYear() + 1);  
            return returnDate;  
        }  
   
        /** 
         * 取上一个年 
         */ 
        public static function getLastYear(currentDate:Date):Date  
        {  
            var returnDate:Date=new Date(currentDate.getTime());  
            returnDate.setFullYear(returnDate.getFullYear() - 1);  
            return returnDate;  
        }  
   
   
        /** 
         * 取当月月底 
         */ 
        public static function getFristDayOfMonth(currentDate:Date):Date  
        {  
            currentDate.setMonth(currentDate.getMonth(), 1); //下个月的第一天，也就是下个月1号  
            return currentDate;  
        }  
            
        /** 
         * 取当月月底 
         */ 
        public static function getLastDayOfMonth(currentDate:Date):Date  
        {  
            currentDate.setMonth(currentDate.getMonth() + 1, 1); //下个月的第一天，也就是下个月1号  
            currentDate.setDate(currentDate.getDate() - 1); //下个月1号之前1天，也就是本月月底  
            return currentDate;  
        }  
            
   
        /** 
         * 获取日期的中文表示方式：例如星期一\星期二之类的。(注意0表示星期天) 
         * @param currentDate 
         * @return 
         */ 
        public static function getChineseDay(currentDate:Date):String  
        {  
            switch (currentDate.getDay())  
            {  
                case 0:  
                    return "星期日";  
   
                case 1:  
                    return "星期一";  
   
                case 2:  
                    return "星期二";  
   
                case 3:  
                    return "星期三";  
   
                case 4:  
                    return "星期四";  
   
                case 5:  
                    return "星期五";  
   
                case 6:  
                    return "星期六";  
   
                default:  
                    return "";  
            }  
        }  
   
        /** 
         * 获取日期的中文表示方式：例如星期一\星期二之类的。(注意0表示星期天) 
         * @param currentDate 
         * @return 
         */ 
        public static function getEnglishDay(currentDate:Date):String  
        {  
            switch (currentDate.getDay())  
            {  
                case 0:  
                    return "Sunday";  
   
                case 1:  
                    return "Monday";  
   
                case 2:  
                    return "Tuesday";  
   
                case 3:  
                    return "Wednesday";  
   
                case 4:  
                    return "Thursday";  
   
                case 5:  
                    return "Friday";  
   
                case 6:  
                    return "Saturday";  
   
                default:  
                    return "";  
            }  
        }  
   
   
    }  
} 

　　


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