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155 lines
4.2 KiB
C#
155 lines
4.2 KiB
C#
1 year ago
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namespace DS.Module.Core.Helpers;
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/// <summary>
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///
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/// </summary>
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public class DateTimeHelper
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{
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#region 时间戳转换
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/// <summary>
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/// 时间戳转本地时间-时间戳精确到秒
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/// </summary>
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public static DateTime ToLocalTimeDateBySeconds(long unix)
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{
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var dto = DateTimeOffset.FromUnixTimeSeconds(unix);
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return dto.ToLocalTime().DateTime;
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}
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/// <summary>
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/// 时间转时间戳Unix-时间戳精确到秒
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/// </summary>
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public static long ToUnixTimestampBySeconds(DateTime dt)
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{
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DateTimeOffset dto = new DateTimeOffset(dt);
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return dto.ToUnixTimeSeconds();
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}
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/// <summary>
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/// 时间戳转本地时间-时间戳精确到毫秒
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/// </summary>
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public static DateTime ToLocalTimeDateByMilliseconds(long unix)
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{
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var dto = DateTimeOffset.FromUnixTimeMilliseconds(unix);
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return dto.ToLocalTime().DateTime;
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}
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/// <summary>
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/// 时间转时间戳Unix-时间戳精确到毫秒
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/// </summary>
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public static long ToUnixTimestampByMilliseconds(DateTime dt)
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{
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DateTimeOffset dto = new DateTimeOffset(dt);
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return dto.ToUnixTimeMilliseconds();
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}
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#endregion 时间戳转换
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#region 毫秒转天时分秒
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/// <summary>
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/// 毫秒转天时分秒
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/// </summary>
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/// <param name="ms"></param>
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/// <returns></returns>
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public static string FormatTime(long ms)
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{
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int ss = 1000;
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int mi = ss * 60;
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int hh = mi * 60;
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int dd = hh * 24;
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long day = ms / dd;
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long hour = (ms - day * dd) / hh;
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long minute = (ms - day * dd - hour * hh) / mi;
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long second = (ms - day * dd - hour * hh - minute * mi) / ss;
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long milliSecond = ms - day * dd - hour * hh - minute * mi - second * ss;
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string sDay = day < 10 ? "0" + day : "" + day; //天
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string sHour = hour < 10 ? "0" + hour : "" + hour; //小时
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string sMinute = minute < 10 ? "0" + minute : "" + minute; //分钟
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string sSecond = second < 10 ? "0" + second : "" + second; //秒
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string sMilliSecond = milliSecond < 10 ? "0" + milliSecond : "" + milliSecond; //毫秒
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sMilliSecond = milliSecond < 100 ? "0" + sMilliSecond : "" + sMilliSecond;
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return string.Format("{0} 天 {1} 小时 {2} 分 {3} 秒", sDay, sHour, sMinute, sSecond);
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}
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#endregion 毫秒转天时分秒
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#region 获取unix时间戳
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/// <summary>
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/// 获取unix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 GetUnixTimeStamp(DateTime dt)
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{
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long unixTime = ((DateTimeOffset)dt).ToUnixTimeMilliseconds();
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return unixTime;
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}
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#endregion 获取unix时间戳
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#region 获取日期天的最小时间
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public static DateTime GetDayMinDate(DateTime dt)
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{
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DateTime min = new DateTime(dt.Year, dt.Month, dt.Day, 0, 0, 0);
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return min;
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}
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#endregion 获取日期天的最小时间
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#region 获取日期天的最大时间
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public static DateTime GetDayMaxDate(DateTime dt)
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{
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DateTime max = new DateTime(dt.Year, dt.Month, dt.Day, 23, 59, 59);
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return max;
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}
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#endregion 获取日期天的最大时间
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#region 获取日期天的最大时间
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public static string FormatDateTime(DateTime? dt)
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{
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if (dt != null)
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{
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if (dt.Value.Year == DateTime.Now.Year)
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{
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return dt.Value.ToString("MM-dd HH:mm");
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}
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else
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{
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return dt.Value.ToString("yyyy-MM-dd HH:mm");
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}
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}
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return string.Empty;
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}
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#endregion 获取日期天的最大时间
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/// <summary>
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/// 获取指定日期所在月的第一天
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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 DateTime GetMonthStart(DateTime dt)
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{
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return dt.AddDays(-((int)dt.Day - 1));
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}
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/// <summary>
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/// 获取指定日期所在月的最后一天
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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 DateTime GetMonthEnd(DateTime dt)
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{
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return dt.AddMonths(1).AddDays(-dt.AddMonths(1).Day);
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}
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}
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