101 lines
3.1 KiB
C#
101 lines
3.1 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Text;
|
|
|
|
namespace ZR.Common
|
|
{
|
|
public class DateTimeHelper
|
|
{
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
/// <param name="dateTime"></param>
|
|
/// <returns></returns>
|
|
public static DateTime GetBeginTime(DateTime? dateTime, int days = 0)
|
|
{
|
|
if (dateTime == DateTime.MinValue || dateTime == null)
|
|
{
|
|
return DateTime.Now.AddDays(days);
|
|
}
|
|
return dateTime ?? DateTime.Now;
|
|
}
|
|
|
|
#region 毫秒转天时分秒
|
|
/// <summary>
|
|
/// 毫秒转天时分秒
|
|
/// </summary>
|
|
/// <param name="ms"></param>
|
|
/// <returns></returns>
|
|
public static string FormatTime(long ms)
|
|
{
|
|
int ss = 1000;
|
|
int mi = ss * 60;
|
|
int hh = mi * 60;
|
|
int dd = hh * 24;
|
|
|
|
long day = ms / dd;
|
|
long hour = (ms - day * dd) / hh;
|
|
long minute = (ms - day * dd - hour * hh) / mi;
|
|
long second = (ms - day * dd - hour * hh - minute * mi) / ss;
|
|
long milliSecond = ms - day * dd - hour * hh - minute * mi - second * ss;
|
|
|
|
string sDay = day < 10 ? "0" + day : "" + day; //天
|
|
string sHour = hour < 10 ? "0" + hour : "" + hour;//小时
|
|
string sMinute = minute < 10 ? "0" + minute : "" + minute;//分钟
|
|
string sSecond = second < 10 ? "0" + second : "" + second;//秒
|
|
string sMilliSecond = milliSecond < 10 ? "0" + milliSecond : "" + milliSecond;//毫秒
|
|
sMilliSecond = milliSecond < 100 ? "0" + sMilliSecond : "" + sMilliSecond;
|
|
|
|
return string.Format("{0} 天 {1} 小时 {2} 分 {3} 秒", sDay, sHour, sMinute, sSecond);
|
|
}
|
|
#endregion
|
|
|
|
#region 获取unix时间戳
|
|
/// <summary>
|
|
/// 获取unix时间戳
|
|
/// </summary>
|
|
/// <param name="dt"></param>
|
|
/// <returns></returns>
|
|
public static long GetUnixTimeStamp(DateTime dt)
|
|
{
|
|
long unixTime = ((DateTimeOffset)dt).ToUnixTimeMilliseconds();
|
|
return unixTime;
|
|
}
|
|
#endregion
|
|
|
|
#region 获取日期天的最小时间
|
|
public static DateTime GetDayMinDate(DateTime dt)
|
|
{
|
|
DateTime min = new DateTime(dt.Year, dt.Month, dt.Day, 0, 0, 0);
|
|
return min;
|
|
}
|
|
#endregion
|
|
|
|
#region 获取日期天的最大时间
|
|
public static DateTime GetDayMaxDate(DateTime dt)
|
|
{
|
|
DateTime max = new DateTime(dt.Year, dt.Month, dt.Day, 23, 59, 59);
|
|
return max;
|
|
}
|
|
#endregion
|
|
|
|
#region 获取日期天的最大时间
|
|
public static string FormatDateTime(DateTime? dt)
|
|
{
|
|
if (dt != null)
|
|
{
|
|
if (dt.Value.Year == DateTime.Now.Year)
|
|
{
|
|
return dt.Value.ToString("MM-dd HH:mm");
|
|
}
|
|
else
|
|
{
|
|
return dt.Value.ToString("yyyy-MM-dd HH:mm");
|
|
}
|
|
}
|
|
return string.Empty;
|
|
}
|
|
#endregion
|
|
}
|
|
}
|