标签：类型转换 00 59 MM dd start 枚举 时间段 ToString
所需枚举
/// <summary>
/// 时间范围
/// </summary>
public enum DateRangeEnum
{
/// <summary>
/// 全部
/// </summary>
[Description("全部")]
All = 0,
/// <summary>
/// 今天
/// </summary>
[Description("今天")]
Today = 1,
/// <summary>
/// 明天
/// </summary>
[Description("明天")]
Tomorrow = 2,
/// <summary>
/// 昨天
/// </summary>
[Description("昨天")]
Yesterday = 3,
/// <summary>
/// 本周
/// </summary>
[Description("本周")]
ThisWeek = 6,
/// <summary>
/// 下周
/// </summary>
[Description("下周")]
NextWeek = 7,
/// <summary>
/// 上周
/// </summary>
[Description("上周")]
LastWeek = 8,
/// <summary>
/// 本月
/// </summary>
[Description("本月")]
ThisMonth = 10,
/// <summary>
/// 上月
/// </summary>
[Description("上月")]
LastMonth = 11,
/// <summary>
/// 下月
/// </summary>
[Description("下月")]
NextMonth = 12,
/// <summary>
/// 一月以内
/// </summary>
[Description("一月以内")]
OneMonth = 13,
/// <summary>
/// 半年以内
/// </summary>
[Description("半年以内")]
HalfYear = 14,
/// <summary>
/// 一年以内
/// </summary>
[Description("一年以内")]
OneYear = 15,
/// <summary>
/// 本年
/// </summary>
[Description("本年")]
ThisYear = 16,
/// <summary>
/// 去年
/// </summary>
[Description("去年")]
LastYear = 17
}功能实现
/// <summary>
/// 根据时间段枚举类型转换时间
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static (DateTime, DateTime) FormatDateRange(DateRangeEnum type)
{
string startDate = string.Empty, endDate = string.Empty;
DateTime now = DateTime.Now;
DateTime? start = null;
switch (type)
{
case DateRangeEnum.OneMonth:
start = now.AddMonths(-1);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
endDate = $"{now.ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.HalfYear:
start = now.AddMonths(-6);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
endDate = $"{now.ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.OneYear:
start = now.AddYears(-1);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
endDate = $"{now.ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.Today:
start = now;
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
endDate = $"{now.ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.Tomorrow:
startDate = $"{now.AddDays(1).ToString("yyyy-MM-dd")} 00:00";
endDate = $"{now.AddDays(1).ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.Yesterday:
start = now.AddDays(-1);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
endDate = $"{start.Value.ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.NextWeek:
start = now.AddDays(0 - Convert.ToInt16(DateTime.Now.DayOfWeek) + 8);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
start = now.AddDays(6 - Convert.ToInt16(DateTime.Now.DayOfWeek) + 8);
endDate = $"{start.Value.ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.ThisWeek:
start = now.AddDays(0 - Convert.ToInt16(DateTime.Now.DayOfWeek) + 1);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
start = now.AddDays(6 - Convert.ToInt16(DateTime.Now.DayOfWeek) + 1);
endDate = $"{start.Value.ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.LastWeek:
start = now.AddDays(0 - Convert.ToInt16(DateTime.Now.DayOfWeek) - 6);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
start = now.AddDays(6 - Convert.ToInt16(DateTime.Now.DayOfWeek) - 6);
endDate = $"{start.Value.ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.ThisMonth:
start = new DateTime(now.Year, now.Month, 1);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
endDate = $"{start.Value.AddMonths(1).AddDays(-1).ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.LastMonth:
start = new DateTime(now.Year, now.Month, 1).AddMonths(-1);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
endDate = $"{start.Value.AddMonths(1).AddDays(-1).ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.NextMonth:
start = new DateTime(now.Year, now.Month, 1).AddMonths(1);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
endDate = $"{start.Value.AddMonths(1).AddDays(-1).ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.ThisYear:
start = new DateTime(now.Year, 1, 1);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
endDate = $"{start.Value.AddYears(1).AddDays(-1).ToString("yyyy-MM-dd")} 23:59:59";
break;
case DateRangeEnum.LastYear:
start = new DateTime(now.Year - 1, 1, 1);
startDate = $"{start.Value.ToString("yyyy-MM-dd")} 00:00";
endDate = $"{start.Value.AddYears(1).AddDays(-1).ToString("yyyy-MM-dd")} 23:59:59";
break;
}
return (BaseHelper.ToDateTime(startDate, DateTime.Now), BaseHelper.ToDateTime(endDate, DateTime.Now));
}
}
标签：类型转换,00,59,MM,dd,start,枚举,时间段,ToString 来源： https://www.cnblogs.com/Stars0121/p/16529118.html
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