asp.net 处理和计算微博发布时间

using System; 
using System.Net; 
using System.Windows; 
using System.Windows.Controls; 
using System.Windows.Documents; 
using System.Windows.Ink; 
using System.Windows.Input; 
using System.Windows.Media; 
using System.Windows.Media.Animation; 
using System.Windows.Shapes; 
 
namespace MicroBlogForWP7.Classes 
{ 
    public class TimeParser 
    { 
        /// <summary> 
        /// 把秒转换成分钟 
        /// </summary> 
        /// <returns></returns> 
        public static int SecondToMinute(int Second) 
        { 
            decimal mm = (decimal)((decimal)Second / (decimal)60); 
            return Convert.ToInt32(Math.Ceiling(double.Parse(mm.ToString()))); 
        } 
 
        #region 返回某年某月最后一天 
        /// <summary> 
        /// 返回某年某月最后一天 
        /// </summary> 
        /// <param name="year">年份</param> 
        /// <param name="month">月份</param> 
        /// <returns>日</returns> 
        public static int GetMonthLastDate(int year, int month) 
        { 
            DateTime lastDay = new DateTime(year, month, new System.Globalization.GregorianCalendar().GetDaysInMonth(year, month)); 
            int Day = lastDay.Day; 
            return Day; 
        } 
        #endregion 
 
        #region 返回时间差 
        public static string DateDiff(DateTime DateTime1, DateTime DateTime2) 
        { 
            string dateDiff = null; 
            try 
            { 
                //TimeSpan ts1 = new TimeSpan(DateTime1.Ticks); 
                //TimeSpan ts2 = new TimeSpan(DateTime2.Ticks); 
                //TimeSpan ts = ts1.Subtract(ts2).Duration(); 
                TimeSpan ts = DateTime2 - DateTime1; 
                if (ts.Days >= 1) 
                { 
                    dateDiff = DateTime1.Month.ToString() + "月" + DateTime1.Day.ToString() + "日"; 
                } 
                else 
                { 
                    if (ts.Hours > 1) 
                    { 
                        dateDiff = ts.Hours.ToString() + "小时前"; 
                    } 
                    else 
                    { 
                        dateDiff = ts.Minutes.ToString() + "分钟前"; 
                    } 
                } 
            } 
            catch 
            { } 
            return dateDiff; 
        } 
        #endregion 
 
        #region 返回该微博是什么时候发的 
        /// <summary> 
        /// 返回该微博是什么时候发的 
        /// </summary> 
        /// <param name="year">发微博时间</param> 
        /// <param name="month">当前时间</param> 
        public static string GetWhenSendTime(DateTime BlogTime, DateTime NowTime) 
        { 
            DateTime t1 = BlogTime; 
            DateTime t2 = NowTime; 
            string RES = ""; 
            if ((t2 - t1).TotalMinutes > 1440) 
            { 
                RES = t1.ToString("yyyy年MM月dd日 HH:mm"); 
            } 
            else 
                if ((t2 - t1).TotalMinutes > 60) 
                { 
                    RES = Math.Floor(((t2 - t1).TotalMinutes / 60)).ToString() + "小时" + (Math.Floor((t2 - t1).TotalMinutes) % 60).ToString() + "分钟前"; 
                } 
                else 
                { 
                    if ((Math.Floor((t2 - t1).TotalMinutes) % 60) <= 0) RES = "刚刚更新"; 
                    else 
                        RES = (Math.Floor((t2 - t1).TotalMinutes) % 60).ToString() + "分钟前"; 
                } 
            return RES; 
        } 
        #endregion 
    } 
} 

摘自 _亚