XinYu_LG2MES/ClientSolution/Core.Mes.Client.Common/Util/DateTimeUtil.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Core.Mes.Client.Common.Util
{
    /// <summary>
    /// 时间工具管理类
    /// </summary>
   public class DateTimeUtil
    {
       /// <summary>
       ///按秒 返回二个时间差的绝对值，为s
        ///如 dtFrom 2014-01-01 12:30:30  dtTo 2014-01-01 12:32:45  返回15
       /// </summary>
       /// <param name="dt1"></param>
       /// <param name="dt2"></param>
       /// <returns></returns>
       public static int DateTimeDiffBySeconds(DateTime dtFrom, DateTime dtTo)
       {
           try
           {
               TimeSpan ts = GetTimeSpan(dtFrom, dtTo);
               return ts.Seconds;
           }
           catch
           { 
           }
           return 0;         
       }

       /// <summary>
       /// 返回2个时间的差的s数
       /// 如 dtFrom 2014-01-01 12:30:30  dtTo 2014-01-01 12:32:45  返回135
       /// </summary>
       /// <param name="dtFrom"></param>
       /// <param name="dtTo"></param>
       /// <returns></returns>
       public static double DateTimeDiffByTotalSeconds(DateTime dtFrom, DateTime dtTo)
       {
           try
           {
               TimeSpan ts = GetTimeSpan(dtFrom, dtTo);
               return ts.TotalSeconds;
           }
           catch
           {
           }
           return 0;
       }

       /// <summary>
       /// 分钟数
       /// </summary>
       /// <param name="dt1"></param>
       /// <param name="dt2"></param>
       /// <returns></returns>
       public static int DateTimeDiffByMinutes(DateTime dtFrom, DateTime dtTo)
       {
           try
           {
               return GetTimeSpan(dtFrom, dtTo).Minutes;
           }
           catch
           {
           }
           return 0;         
       }

       public static double DateTimeDiffByTotalMinutes(DateTime dtFrom, DateTime dtTo)
       {
           try
           {
               return GetTimeSpan(dtFrom, dtTo).TotalMinutes;
           }
           catch
           {
           }
           return 0;
       }

       /// <summary>
       /// 小时数
       /// </summary>
       /// <param name="dt1"></param>
       /// <param name="dt2"></param>
       /// <returns></returns>
       public int DateTimeDiffByHours(DateTime dtFrom, DateTime dtTo)
       {
           try
           {
               return GetTimeSpan(dtFrom, dtTo).Hours;
           }
           catch
           {
           }
           return 0;
       }

       public double DateTimeDiffByTotalHours(DateTime dtFrom, DateTime dtTo)
       {
           try
           {
               return GetTimeSpan(dtFrom, dtTo).TotalHours;
           }
           catch
           {
           }
           return 0;
       }


       private static TimeSpan GetTimeSpan(DateTime dtFrom, DateTime dtTo)
       {
           try
           {
               TimeSpan ts1 = new TimeSpan(dtFrom.Ticks);
               TimeSpan ts2 = new TimeSpan(dtTo.Ticks);
               TimeSpan ts = ts1.Subtract(ts2).Duration();
               return ts;
           }
           catch
           { 
           }
           return new TimeSpan(System.DateTime.Now.Ticks).Subtract(new TimeSpan(System.DateTime.Now.Ticks)).Duration(); ;
 
       }
    }
}