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50 lines (48 loc) · 2.48 KB
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/*
* 作用：日期操作，对 TimeSpan 进行格式化输出。
* */
using System;
namespace Helper.Core.Library
{
public class DateTimeHelper
{
#region 对外公开方法
/// <summary>
/// 返回与当前时间差值
/// </summary>
/// <param name="dateTime">日期</param>
/// <param name="dateFormat">输出格式化，d=天，h=时，hh=时（补零），m=分，mm=分（补零），s=秒，ss=秒（补零），f=毫秒，fff=毫秒（补零）</param>
/// <returns></returns>
public static string Subtract(DateTime dateTime, string dateFormat = "d hh:mm:ss fff")
{
return Subtract(dateTime, DateTime.Now, dateFormat);
}
/// <summary>
/// 返回两个时间差值
/// </summary>
/// <param name="beginDateTime">开始日期</param>
/// <param name="endDateTime">结束日期</param>
/// <param name="dateFormat">输出格式化，d=天，h=时，hh=时（补零），m=分，mm=分（补零），s=秒，ss=秒（补零），f=毫秒，fff=毫秒（补零）</param>
/// <returns></returns>
public static string Subtract(DateTime beginDateTime, DateTime endDateTime, string dateFormat = "d hh:mm:ss fff")
{
return SubtractFormat(endDateTime.Subtract(beginDateTime));
}
#endregion
#region 逻辑处理私有函数
internal static string SubtractFormat(TimeSpan timeSpan, string dateFormat = "d hh:mm:ss fff")
{
dateFormat = string.Format(dateFormat.Replace("d", "{0}"), timeSpan.Days);
dateFormat = string.Format(dateFormat.Replace("hh", "{0}"), timeSpan.Hours.ToString().PadLeft(2, '0'));
dateFormat = string.Format(dateFormat.Replace("h", "{0}"), timeSpan.Hours);
dateFormat = string.Format(dateFormat.Replace("mm", "{0}"), timeSpan.Minutes.ToString().PadLeft(2, '0'));
dateFormat = string.Format(dateFormat.Replace("m", "{0}"), timeSpan.Minutes);
dateFormat = string.Format(dateFormat.Replace("ss", "{0}"), timeSpan.Seconds.ToString().PadLeft(2, '0'));
dateFormat = string.Format(dateFormat.Replace("s", "{0}"), timeSpan.Seconds);
dateFormat = string.Format(dateFormat.Replace("fff", "{0}"), timeSpan.Milliseconds.ToString().PadLeft(3, '0'));
dateFormat = string.Format(dateFormat.Replace("f", "{0}"), timeSpan.Milliseconds);
return dateFormat;
}
#endregion
}
}