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  • C#常用获取本周、本月、本季度、本年的时间起止段代码

            /// <summary>
            /// 今日
            /// </summary>
            /// <param name="start"></param>
            /// <param name="end"></param>
            public static void GetRangeToday(out DateTime start, out DateTime end)
            {
                start = DateTime.Now.Date;
                end = start; 
            }
    
            /// <summary>
            /// 本周
            /// </summary>
            /// <param name="start"></param>
            /// <param name="end"></param>
            public static void GetRangeThisWeek(out DateTime start, out DateTime end)
            {
                DateTime dt = DateTime.Now.Date;
                start = dt.AddDays(-(int)dt.DayOfWeek); 
                end = start.AddDays(6); 
            }
    
            /// <summary>
            /// 本月
            /// </summary>
            /// <param name="start"></param>
            /// <param name="end"></param>
            public static void GetRangeThisMonth(out DateTime start, out DateTime end)
            {
                DateTime dt = DateTime.Now;
                start = new DateTime(dt.Year, dt.Month, 1);
                end = start.AddMonths(1).AddDays(-1); 
            }
    
            /// <summary>
            /// 本季度
            /// </summary>
            /// <param name="start"></param>
            /// <param name="end"></param>
            public static void GetRangeThisSeason(out DateTime start, out DateTime end)
            {
                DateTime dt = DateTime.Now;
                int month = (dt.Month - 1)/3 * 3 + 1;
                start = new DateTime(dt.Year, month, 1);
                end = start.AddMonths(3).AddDays(-1); 
    
            }
    
            /// <summary>
            /// 本季度
            /// </summary>
            /// <param name="start"></param>
            /// <param name="end"></param>
            public static void GetRangeThisYear(out DateTime start, out DateTime end)
            {
                DateTime dt = DateTime.Now;
                start = new DateTime(dt.Year, 1, 1);
                end = start.AddYears(1).AddDays(-1);
            }
    
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  • 原文地址:https://www.cnblogs.com/weightbomb/p/5211622.html
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