71 lines
2.8 KiB
C#
71 lines
2.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace Common
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{
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public static class TimeHelper
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{
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/// <summary>
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/// 时间转unix时间戳
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/// </summary>
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/// <param name="now"></param>
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/// <returns></returns>
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public static long DateTimeToStamp(DateTime now)
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{
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return (now.ToUniversalTime().Ticks - 621355968000000000) / 10000000;
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}
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/// <summary>
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/// 获取当前时间戳
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/// </summary>
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/// <param name="millisecond">精度（毫秒）设置 true，则生成13位的时间戳；精度（秒）设置为 false，则生成10位的时间戳；默认为 true </param>
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/// <returns></returns>
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public static string GetCurrentTimestamp(bool millisecond = true)
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{
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return DateTime.Now.ToTimestamp(millisecond);
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}
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/// <summary>
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/// 转换指定时间得到对应的时间戳
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/// </summary>
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/// <param name="dateTime"></param>
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/// <param name="millisecond">精度（毫秒）设置 true，则生成13位的时间戳；精度（秒）设置为 false，则生成10位的时间戳；默认为 true </param>
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/// <returns>返回对应的时间戳</returns>
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public static string ToTimestamp(this DateTime dateTime, bool millisecond = true)
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{
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return dateTime.ToTimestampLong(millisecond).ToString();
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}
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/// <summary>
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/// 转换指定时间得到对应的时间戳
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/// </summary>
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/// <param name="dateTime"></param>
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/// <param name="millisecond">精度（毫秒）设置 true，则生成13位的时间戳；精度（秒）设置为 false，则生成10位的时间戳；默认为 true </param>
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/// <returns>返回对应的时间戳</returns>
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public static long ToTimestampLong(this DateTime dateTime, bool millisecond = true)
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{
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var ts = dateTime.ToUniversalTime() - new DateTime(1970, 1, 1, 0, 0, 0, 0);
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return millisecond ? Convert.ToInt64(ts.TotalMilliseconds) : Convert.ToInt64(ts.TotalSeconds);
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}
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/// <summary>
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/// 转换指定时间戳到对应的时间（同时增加八个小时）
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/// </summary>
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/// <param name="timestamp">（10位或13位）时间戳</param>
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/// <returns>返回对应的时间</returns>
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public static DateTime ToDateTime(this long timestamp)
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{
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var tz = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1, 0, 0, 0, 0));
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if (timestamp.ToString().Length == 13)
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{
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return tz.AddMilliseconds(Convert.ToInt64(timestamp));
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}
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else
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{
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return tz.AddSeconds(Convert.ToInt64(timestamp));
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}
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}
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}
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}
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