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@@ -1,13 +1,14 @@
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-using System;
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+using System;
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+using System.Diagnostics;
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using System.Globalization;
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using System.Runtime.InteropServices;
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namespace Masuit.Tools.DateTimeExt
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{
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/// <summary>
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- /// 日期时间帮助类
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+ /// 日期操作工具类
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/// </summary>
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- public static class DateTimeHelper
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+ public static class DateUtil
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{
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/// <summary>
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/// 获取某一年有多少周
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@@ -27,7 +28,7 @@ namespace Masuit.Tools.DateTimeExt
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/// </summary>
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/// <param name="date">时间</param>
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/// <returns>第几周</returns>
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- public static int WeekOfYear(this DateTime date)
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+ public static int WeekOfYear(this in DateTime date)
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{
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var gc = new GregorianCalendar();
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return gc.GetWeekOfYear(date, CalendarWeekRule.FirstDay, DayOfWeek.Sunday);
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@@ -39,7 +40,7 @@ namespace Masuit.Tools.DateTimeExt
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/// <param name="date">时间</param>
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/// <param name="week">一周的开始日期</param>
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/// <returns>第几周</returns>
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- public static int WeekOfYear(this DateTime date, DayOfWeek week)
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+ public static int WeekOfYear(this in DateTime date, DayOfWeek week)
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{
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var gc = new GregorianCalendar();
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return gc.GetWeekOfYear(date, CalendarWeekRule.FirstDay, week);
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@@ -103,7 +104,7 @@ namespace Masuit.Tools.DateTimeExt
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/// 设置本地计算机时间
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/// </summary>
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/// <param name="dt">DateTime对象</param>
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- public static void SetLocalTime(this DateTime dt)
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+ public static void SetLocalTime(this in DateTime dt)
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{
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SystemTime st;
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st.year = (short)dt.Year;
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@@ -118,5 +119,424 @@ namespace Masuit.Tools.DateTimeExt
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}
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#endregion
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+ /// <summary>
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+ /// 返回相对于当前时间的相对天数
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+ /// </summary>
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+ /// <param name="dt"></param>
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+ /// <param name="relativeday">相对天数</param>
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+ public static string GetDateTime(this in DateTime dt, int relativeday)
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+ {
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+ return dt.AddDays(relativeday).ToString("yyyy-MM-dd HH:mm:ss");
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+ }
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+
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+ /// <summary>
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+ /// 返回标准时间格式string
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+ /// </summary>
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+ public static string GetDateTimeF(this in DateTime dt) => dt.ToString("yyyy-MM-dd HH:mm:ss:fffffff");
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+
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+ /// <summary>
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+ /// 获取该时间相对于1970-01-01 00:00:00的秒数
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+ /// </summary>
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+ /// <param name="dt"></param>
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+ /// <returns></returns>
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+ public static double GetTotalSeconds(this in DateTime dt) => new DateTimeOffset(dt).ToUnixTimeSeconds();
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+
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+ /// <summary>
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+ /// 获取该时间相对于1970-01-01 00:00:00的毫秒数
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+ /// </summary>
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+ /// <param name="dt"></param>
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+ /// <returns></returns>
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+ public static double GetTotalMilliseconds(this in DateTime dt) => new DateTimeOffset(dt).ToUnixTimeMilliseconds();
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+
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+ /// <summary>
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+ /// 获取该时间相对于1970-01-01 00:00:00的微秒时间戳
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+ /// </summary>
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+ /// <param name="dt"></param>
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+ /// <returns></returns>
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+ public static long GetTotalMicroseconds(this in DateTime dt) => new DateTimeOffset(dt).Ticks / 10;
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+
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+ /// <summary>
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+ /// 获取该时间相对于1970-01-01 00:00:00的纳秒时间戳
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+ /// </summary>
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+ /// <param name="dt"></param>
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+ /// <returns></returns>
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+ public static long GetTotalNanoseconds(this in DateTime dt) => new DateTimeOffset(dt).Ticks * 100 + Stopwatch.GetTimestamp() % 100;
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+
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+ /// <summary>
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+ /// 获取该时间相对于1970-01-01 00:00:00的分钟数
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+ /// </summary>
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+ /// <param name="dt"></param>
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+ /// <returns></returns>
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+ public static double GetTotalMinutes(this in DateTime dt) => new DateTimeOffset(dt).Offset.TotalMinutes;
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+
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+ /// <summary>
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+ /// 获取该时间相对于1970-01-01 00:00:00的小时数
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+ /// </summary>
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+ /// <param name="dt"></param>
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+ /// <returns></returns>
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+ public static double GetTotalHours(this in DateTime dt) => new DateTimeOffset(dt).Offset.TotalHours;
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+
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+ /// <summary>
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+ /// 获取该时间相对于1970-01-01 00:00:00的天数
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+ /// </summary>
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+ /// <param name="dt"></param>
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+ /// <returns></returns>
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+ public static double GetTotalDays(this in DateTime dt) => new DateTimeOffset(dt).Offset.TotalDays;
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+
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+ /// <summary>
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+ /// 返回本年有多少天
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+ /// </summary>
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+ /// <param name="_"></param>
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+ /// <param name="iYear">年份</param>
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+ /// <returns>本年的天数</returns>
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+ public static int GetDaysOfYear(this DateTime _, int iYear)
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+ {
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+ return IsRuYear(iYear) ? 366 : 365;
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+ }
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+
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+ /// <summary>本年有多少天</summary>
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+ /// <param name="dt">日期</param>
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+ /// <returns>本天在当年的天数</returns>
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+ public static int GetDaysOfYear(this in DateTime dt)
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+ {
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+ //取得传入参数的年份部分,用来判断是否是闰年
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+ int n = dt.Year;
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+ return IsRuYear(n) ? 366 : 365;
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+ }
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+
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+ /// <summary>本月有多少天</summary>
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+ /// <param name="_"></param>
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+ /// <param name="iYear">年</param>
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+ /// <param name="month">月</param>
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+ /// <returns>天数</returns>
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+ public static int GetDaysOfMonth(this DateTime _, int iYear, int month)
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+ {
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+ return month switch
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+ {
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+ 1 => 31,
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+ 2 => (IsRuYear(iYear) ? 29 : 28),
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+ 3 => 31,
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+ 4 => 30,
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+ 5 => 31,
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+ 6 => 30,
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+ 7 => 31,
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+ 8 => 31,
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+ 9 => 30,
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+ 10 => 31,
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+ 11 => 30,
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+ 12 => 31,
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+ _ => 0
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+ };
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+ }
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+
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+ /// <summary>本月有多少天</summary>
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+ /// <param name="dt">日期</param>
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+ /// <returns>天数</returns>
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+ public static int GetDaysOfMonth(this in DateTime dt)
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+ {
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+ //--利用年月信息,得到当前月的天数信息。
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+ return dt.Month switch
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+ {
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+ 1 => 31,
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+ 2 => (IsRuYear(dt.Year) ? 29 : 28),
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+ 3 => 31,
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+ 4 => 30,
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+ 5 => 31,
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+ 6 => 30,
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+ 7 => 31,
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+ 8 => 31,
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+ 9 => 30,
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+ 10 => 31,
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+ 11 => 30,
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+ 12 => 31,
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+ _ => 0
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+ };
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+ }
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+
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+ /// <summary>返回当前日期的星期名称</summary>
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+ /// <param name="idt">日期</param>
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+ /// <returns>星期名称</returns>
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+ public static string GetWeekNameOfDay(this in DateTime idt)
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+ {
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+ return idt.DayOfWeek.ToString() switch
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+ {
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+ "Mondy" => "星期一",
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+ "Tuesday" => "星期二",
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+ "Wednesday" => "星期三",
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+ "Thursday" => "星期四",
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+ "Friday" => "星期五",
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+ "Saturday" => "星期六",
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+ "Sunday" => "星期日",
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+ _ => ""
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+ };
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+ }
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+
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+ /// <summary>返回当前日期的星期编号</summary>
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+ /// <param name="idt">日期</param>
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+ /// <returns>星期数字编号</returns>
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+ public static string GetWeekNumberOfDay(this in DateTime idt)
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+ {
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+ return idt.DayOfWeek.ToString() switch
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+ {
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+ "Mondy" => "1",
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+ "Tuesday" => "2",
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+ "Wednesday" => "3",
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+ "Thursday" => "4",
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+ "Friday" => "5",
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+ "Saturday" => "6",
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+ "Sunday" => "7",
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+ _ => ""
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+ };
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+ }
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+
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+ /// <summary>判断当前年份是否是闰年,私有函数</summary>
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+ /// <param name="iYear">年份</param>
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+ /// <returns>是闰年:True ,不是闰年:False</returns>
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+ private static bool IsRuYear(int iYear)
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+ {
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+ //形式参数为年份
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+ //例如:2003
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+ var n = iYear;
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+ return n % 400 == 0 || n % 4 == 0 && n % 100 != 0;
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+ }
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+
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+ /// <summary>
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+ /// 判断是否为合法日期,必须大于1800年1月1日
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+ /// </summary>
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+ /// <param name="strDate">输入日期字符串</param>
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+ /// <returns>True/False</returns>
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+ public static bool IsDateTime(this string strDate)
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+ {
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+ DateTime.TryParse(strDate, out var result);
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+ return result.CompareTo(DateTime.Parse("1800-1-1")) > 0;
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+ }
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+
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+ /// <summary>
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+ /// 判断时间是否在区间内
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+ /// </summary>
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+ /// <param name="this"></param>
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+ /// <param name="start">开始</param>
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+ /// <param name="end">结束</param>
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+ /// <param name="mode">模式</param>
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+ /// <returns></returns>
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+ public static bool In(this in DateTime @this, DateTime start, DateTime end, RangeMode mode = RangeMode.Close)
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+ {
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+ return mode switch
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+ {
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+ RangeMode.Open => start < @this && end > @this,
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+ RangeMode.Close => start <= @this && end >= @this,
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+ RangeMode.OpenClose => start < @this && end >= @this,
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+ RangeMode.CloseOpen => start <= @this && end > @this,
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+ _ => throw new ArgumentOutOfRangeException(nameof(mode), mode, null)
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+ };
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+ }
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+
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+ /// <summary>
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+ /// 返回每月的第一天和最后一天
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+ /// </summary>
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+ /// <param name="_"></param>
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+ /// <param name="month">月份</param>
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+ /// <param name="firstDay">第一天</param>
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+ /// <param name="lastDay">最后一天</param>
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+ public static void ReturnDateFormat(this DateTime _, int month, out string firstDay, out string lastDay)
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+ {
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+ int year = DateTime.Now.Year + month / 12;
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+ if (month != 12)
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+ {
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+ month %= 12;
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+ }
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+
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+ switch (month)
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+ {
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+ case 1:
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+ firstDay = DateTime.Now.ToString($"{year}-0{month}-01");
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+ lastDay = DateTime.Now.ToString($"{year}-0{month}-31");
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+ break;
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+ case 2:
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+ firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
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+ lastDay = DateTime.IsLeapYear(DateTime.Now.Year) ? DateTime.Now.ToString(year + "-0" + month + "-29") : DateTime.Now.ToString(year + "-0" + month + "-28");
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+ break;
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+ case 3:
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+ firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
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+ lastDay = DateTime.Now.ToString("yyyy-0" + month + "-31");
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+ break;
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+ case 4:
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+ firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
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+ lastDay = DateTime.Now.ToString(year + "-0" + month + "-30");
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+ break;
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+ case 5:
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+ firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
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+ lastDay = DateTime.Now.ToString(year + "-0" + month + "-31");
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+ break;
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+ case 6:
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+ firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
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+ lastDay = DateTime.Now.ToString(year + "-0" + month + "-30");
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+ break;
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+ case 7:
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+ firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
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+ lastDay = DateTime.Now.ToString(year + "-0" + month + "-31");
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+ break;
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+ case 8:
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+ firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
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+ lastDay = DateTime.Now.ToString(year + "-0" + month + "-31");
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+ break;
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+ case 9:
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+ firstDay = DateTime.Now.ToString(year + "-0" + month + "-01");
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+ lastDay = DateTime.Now.ToString(year + "-0" + month + "-30");
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+ break;
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+ case 10:
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+ firstDay = DateTime.Now.ToString(year + "-" + month + "-01");
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+ lastDay = DateTime.Now.ToString(year + "-" + month + "-31");
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+ break;
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+ case 11:
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+ firstDay = DateTime.Now.ToString(year + "-" + month + "-01");
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+ lastDay = DateTime.Now.ToString(year + "-" + month + "-30");
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+ break;
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+ default:
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+ firstDay = DateTime.Now.ToString(year + "-" + month + "-01");
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+ lastDay = DateTime.Now.ToString(year + "-" + month + "-31");
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+ break;
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+ }
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+ }
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+
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+ /// <summary>
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+ /// 返回某年某月最后一天
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+ /// </summary>
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+ /// <param name="_"></param>
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+ /// <param name="year">年份</param>
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+ /// <param name="month">月份</param>
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+ /// <returns>日</returns>
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+ public static int GetMonthLastDate(this DateTime _, int year, int month)
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+ {
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+ DateTime lastDay = new DateTime(year, month, new GregorianCalendar().GetDaysInMonth(year, month));
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+ int day = lastDay.Day;
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+ return day;
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+ }
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+
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+ /// <summary>
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+ /// 获得一段时间内有多少小时
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+ /// </summary>
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+ /// <param name="dtStar">起始时间</param>
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+ /// <param name="dtEnd">终止时间</param>
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+ /// <returns>小时差</returns>
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+ public static string GetTimeDelay(this in DateTime dtStar, DateTime dtEnd)
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+ {
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+ long lTicks = (dtEnd.Ticks - dtStar.Ticks) / 10000000;
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+ string sTemp = (lTicks / 3600).ToString().PadLeft(2, '0') + ":";
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+ sTemp += (lTicks % 3600 / 60).ToString().PadLeft(2, '0') + ":";
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+ sTemp += (lTicks % 3600 % 60).ToString().PadLeft(2, '0');
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+ return sTemp;
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+ }
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+
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+ /// <summary>
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+ /// 获得8位时间整型数字
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+ /// </summary>
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+ /// <param name="dt">当前的日期时间对象</param>
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+ /// <returns>8位时间整型数字</returns>
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+ public static string GetDateString(this in DateTime dt)
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+ {
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+ return dt.Year + dt.Month.ToString().PadLeft(2, '0') + dt.Day.ToString().PadLeft(2, '0');
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+ }
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+
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+ /// <summary>
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+ /// 返回时间差
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+ /// </summary>
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+ /// <param name="dateTime1">时间1</param>
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+ /// <param name="dateTime2">时间2</param>
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+ /// <returns>时间差</returns>
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+ public static string DateDiff(this in DateTime dateTime1, in DateTime dateTime2)
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+ {
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+ string dateDiff;
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+ var ts = dateTime2 - dateTime1;
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+ if (ts.Days >= 1)
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+ {
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+ dateDiff = dateTime1.Month + "月" + dateTime1.Day + "日";
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+ }
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+ else
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+ {
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+ dateDiff = ts.Hours > 1 ? ts.Hours + "小时前" : ts.Minutes + "分钟前";
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+ }
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+
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+ return dateDiff;
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+ }
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+
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+ /// <summary>
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+ /// 计算2个时间差
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+ /// </summary>
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|
+ /// <param name="beginTime">开始时间</param>
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|
+ /// <param name="endTime">结束时间</param>
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|
+ /// <returns>时间差</returns>
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|
|
+ public static string GetDiffTime(this in DateTime beginTime, in DateTime endTime)
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|
|
+ {
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|
+ string strResout = string.Empty;
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+ //获得2时间的时间间隔秒计算
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|
+ TimeSpan span = endTime.Subtract(beginTime);
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|
|
+ int sec = Convert.ToInt32(span.TotalSeconds);
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|
|
+ int minutes = 1 * 60;
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|
|
+ int hours = minutes * 60;
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|
|
+ int day = hours * 24;
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|
|
+ int month = day * 30;
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|
|
+ int year = month * 12;
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|
|
+
|
|
|
+ //提醒时间,到了返回1,否则返回0
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|
|
+ if (sec > year)
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|
|
+ {
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|
|
+ strResout += sec / year + "年";
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|
|
+ sec %= year; //剩余
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|
|
+ }
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|
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+
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|
|
+ if (sec > month)
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|
|
+ {
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|
|
+ strResout += sec / month + "月";
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|
|
+ sec %= month;
|
|
|
+ }
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|
|
+
|
|
|
+ if (sec > day)
|
|
|
+ {
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|
|
+ strResout += sec / day + "天";
|
|
|
+ sec %= day;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sec > hours)
|
|
|
+ {
|
|
|
+ strResout += sec / hours + "小时";
|
|
|
+ sec %= hours;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sec > minutes)
|
|
|
+ {
|
|
|
+ strResout += sec / minutes + "分";
|
|
|
+ sec %= minutes;
|
|
|
+ }
|
|
|
+
|
|
|
+ strResout += sec + "秒";
|
|
|
+ return strResout;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 区间模式
|
|
|
+ /// </summary>
|
|
|
+ public enum RangeMode
|
|
|
+ {
|
|
|
+ /// <summary>
|
|
|
+ /// 开区间
|
|
|
+ /// </summary>
|
|
|
+ Open,
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 闭区间
|
|
|
+ /// </summary>
|
|
|
+ Close,
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 左开右闭区间
|
|
|
+ /// </summary>
|
|
|
+ OpenClose,
|
|
|
+
|
|
|
+ /// <summary>
|
|
|
+ /// 左闭右开区间
|
|
|
+ /// </summary>
|
|
|
+ CloseOpen
|
|
|
}
|
|
|
-}
|
|
|
+}
|