mirror of
https://github.com/ldqk/Masuit.Tools.git
synced 2026-10-25 18:30:29 +08:00
404 lines
15 KiB
C#
404 lines
15 KiB
C#
using System;
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using System.Globalization;
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namespace Masuit.Tools.DateTimeExt
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{
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/// <summary>
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/// 时间相关操作帮助类
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/// </summary>
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public static class TimeHelper
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{
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#region 返回每月的第一天和最后一天
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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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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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#endregion
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#region 将时间格式化成 年月日 的形式,如果时间为null，返回当前系统时间
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/// <summary>
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/// 将时间格式化成 年月日 的形式,如果时间为null，返回当前系统时间
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/// </summary>
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/// <param name="dt">年月日分隔符</param>
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/// <param name="separator">分隔符</param>
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/// <returns>xxxx年xx月xx日</returns>
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public static string GetFormatDate(this DateTime dt, char separator)
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{
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if (dt.Equals(DBNull.Value))
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{
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return GetFormatDate(DateTime.Now, separator);
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}
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string tem = $"yyyy{separator}MM{separator}dd";
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return dt.ToString(tem);
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}
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#endregion
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#region 将时间格式化成 时分秒 的形式,如果时间为null，返回当前系统时间
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/// <summary>
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/// 将时间格式化成 时分秒 的形式,如果时间为null，返回当前系统时间
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/// </summary>
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/// <param name="dt">当前日期时间对象</param>
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/// <param name="separator">分隔符</param>
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/// <returns> xx时xx分xx秒 </returns>
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public static string GetFormatTime(this DateTime dt, char separator)
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{
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if (dt.Equals(DBNull.Value))
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{
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return GetFormatDate(DateTime.Now, separator);
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}
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string tem = $"hh{separator}mm{separator}ss";
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return dt.ToString(tem);
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}
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#endregion
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#region 把秒转换成分钟
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/// <summary>
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/// 把秒转换成分钟
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/// </summary>
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/// <param name="_"></param>
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/// <param name="second">秒数</param>
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/// <returns>分钟数</returns>
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public static int SecondToMinute(this DateTime _, int second)
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{
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decimal mm = second / (decimal)60;
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return Convert.ToInt32(Math.Ceiling(mm));
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}
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#endregion
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#region 返回某年某月最后一天
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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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#endregion
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#region 获得两个日期的间隔
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/// <summary>
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/// 获得两个日期的间隔
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/// </summary>
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/// <param name="dateTime1">日期一。</param>
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/// <param name="dateTime2">日期二。</param>
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/// <returns>日期间隔TimeSpan。</returns>
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/// <exception cref="OverflowException">The return value is less than <see cref="F:System.TimeSpan.MinValue" /> or greater than <see cref="F:System.TimeSpan.MaxValue" />. </exception>
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public static TimeSpan DateDiff2(this DateTime dateTime1, DateTime dateTime2)
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{
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return dateTime1 - dateTime2;
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}
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#endregion
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#region 得到随机日期
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/// <summary>
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/// 得到随机日期
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/// </summary>
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/// <param name="time1">起始日期</param>
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/// <param name="time2">结束日期</param>
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/// <returns>间隔日期之间的 随机日期</returns>
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public static DateTime GetRandomTime(this DateTime time1, DateTime time2)
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{
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var random = new Random();
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DateTime minTime;
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var ts = new TimeSpan(time1.Ticks - time2.Ticks);
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// 获取两个时间相隔的秒数
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double dTotalSecontds = ts.TotalSeconds;
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int iTotalSecontds;
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if (dTotalSecontds > int.MaxValue) iTotalSecontds = int.MaxValue;
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else if (dTotalSecontds < int.MinValue) iTotalSecontds = int.MinValue;
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else iTotalSecontds = (int)dTotalSecontds;
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if (iTotalSecontds > 0)
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{
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minTime = time2;
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}
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else if (iTotalSecontds < 0)
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{
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minTime = time1;
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}
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else
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{
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return time1;
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}
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int maxValue = iTotalSecontds;
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if (iTotalSecontds <= int.MinValue)
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{
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maxValue = int.MinValue + 1;
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}
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int i = random.Next(Math.Abs(maxValue));
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return minTime.AddSeconds(i);
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}
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#endregion
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#region Rss日期时间转换，将时间全部转换为GMT时间
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/// <summary>
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/// Rss日期时间转换，将时间全部转换为GMT时间
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/// </summary>
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/// <param name="strDateTime">Rss中读取的时间</param>
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/// <returns>处理后的标准时间格式</returns>
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public static string DateConvert(this string strDateTime)
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{
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strDateTime = strDateTime.Replace("+0000", "GMT");
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strDateTime = strDateTime.Replace("+0100", "GMT");
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strDateTime = strDateTime.Replace("+0200", "GMT");
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strDateTime = strDateTime.Replace("+0300", "GMT");
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strDateTime = strDateTime.Replace("+0400", "GMT");
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strDateTime = strDateTime.Replace("+0500", "GMT");
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strDateTime = strDateTime.Replace("+0600", "GMT");
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strDateTime = strDateTime.Replace("+0700", "GMT");
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strDateTime = strDateTime.Replace("+0800", "GMT");
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strDateTime = strDateTime.Replace("-0000", "GMT");
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strDateTime = strDateTime.Replace("-0100", "GMT");
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strDateTime = strDateTime.Replace("-0200", "GMT");
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strDateTime = strDateTime.Replace("-0300", "GMT");
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strDateTime = strDateTime.Replace("-0400", "GMT");
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strDateTime = strDateTime.Replace("-0500", "GMT");
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strDateTime = strDateTime.Replace("-0600", "GMT");
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strDateTime = strDateTime.Replace("-0700", "GMT");
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strDateTime = strDateTime.Replace("-0800", "GMT");
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DateTime dt = DateTime.Parse(strDateTime, null, DateTimeStyles.AdjustToUniversal);
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return dt.ToString();
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}
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#endregion
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#region 时间相关操作类
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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 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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/// <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 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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#endregion
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#region 返回时间差
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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 DateTime dateTime1, 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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return dateDiff;
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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 DateTime beginTime, 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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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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}
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if (sec > day)
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{
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strResout += sec / day + "天";
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sec %= day;
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}
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if (sec > hours)
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{
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strResout += sec / hours + "小时";
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sec %= hours;
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}
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if (sec > minutes)
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{
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strResout += sec / minutes + "分";
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sec %= minutes;
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}
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strResout += sec + "秒";
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return strResout;
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}
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#endregion
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#region 时间其他转换静态方法
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/// <summary>
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/// C#的时间到Javascript的时间的转换
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/// </summary>
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/// <param name="theDate">C#的时间</param>
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/// <returns>Javascript的时间</returns>
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public static long CsharpTime2JavascriptTime(this DateTime theDate)
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{
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DateTime d1 = new DateTime(1970, 1, 1);
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DateTime d2 = theDate.ToUniversalTime();
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TimeSpan ts = new TimeSpan(d2.Ticks - d1.Ticks);
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return (long)ts.TotalMilliseconds;
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}
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/// <summary>
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/// PHP的时间转换成C#中的DateTime
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/// </summary>
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/// <param name="_"></param>
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/// <param name="time">php的时间</param>
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/// <returns>C#的时间</returns>
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public static DateTime PhpTime2CsharpTime(this DateTime _, long time)
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{
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DateTime timeStamp = new DateTime(1970, 1, 1); //得到1970年的时间戳
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long t = (time + 8 * 60 * 60) * 10000000 + timeStamp.Ticks;
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return new DateTime(t);
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}
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/// <summary>
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/// C#中的DateTime转换成PHP的时间
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/// </summary>
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/// <param name="time">C#时间</param>
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/// <returns>php时间</returns>
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public static long CsharpTime2PhpTime(this DateTime time)
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{
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DateTime timeStamp = new DateTime(1970, 1, 1); //得到1970年的时间戳
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//注意这里有时区问题，用now就要减掉8个小时
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return (DateTime.UtcNow.Ticks - timeStamp.Ticks) / 10000000;
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}
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#endregion
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}
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} |