NET-时间转换的通用类

 1    public class TimeParser
 2    {
 3        /**//// <summary>
 4        /// 把秒转换成分钟
 5        /// </summary>
 6        /// <returns></returns>
 7        public static int SecondToMinute(int Second)
 8        {
 9            decimal mm = (decimal)((decimal)Second / (decimal)60);
10            return Convert.ToInt32(Math.Ceiling(mm));           
11        }
12
13        返回某年某月最后一天#region 返回某年某月最后一天
14        /**//// <summary>
15        /// 返回某年某月最后一天
16        /// </summary>
17        /// <param name="year">年份</param>
18        /// <param name="month">月份</param>
19        /// <returns>日</returns>
20        public static int GetMonthLastDate(int year, int month)
21        {
22            DateTime lastDay = new DateTime(year, month, new System.Globalization.GregorianCalendar().GetDaysInMonth(year, month));
23            int Day = lastDay.Day;
24            return Day;
25        }
26        #endregion
27
28        返回时间差#region 返回时间差
29        public static string DateDiff(DateTime DateTime1, DateTime DateTime2)
30        {
31            string dateDiff = null;
32            try
33            {
34                TimeSpan ts = DateTime2 - DateTime1;
35                if (ts.Days >=1)
36                {
37                    dateDiff = DateTime1.Month.ToString() + "月" + DateTime1.Day.ToString() + "日";
38                }
39                else
40                {
41                    if (ts.Hours > 1)
42                    {
43                        dateDiff = ts.Hours.ToString() + "小时前";
44                    }
45                    else
46                    {
47                        dateDiff = ts.Minutes.ToString() + "分钟前";
48                    }
49                }
50            }
51            catch
52            { }
53            return dateDiff;
54        }
55        #endregion
56    }