365 lines
12 KiB
C#
365 lines
12 KiB
C#
using System;
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using System.Diagnostics;
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using System.Globalization;
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namespace DG.Tool
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{
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/// <summary>
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/// 时间类
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/// 1、SecondToMinute(int Second) 把秒转换成分钟
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/// </summary>
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public class TimeHelper
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{
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#region Stopwatch计时器
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/// <summary>
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/// 计时器开始
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/// </summary>
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/// <returns></returns>
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public static Stopwatch TimerStart()
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{
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Stopwatch watch = new Stopwatch();
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watch.Reset();
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watch.Start();
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return watch;
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}
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/// <summary>
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/// 计时器结束
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/// </summary>
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/// <param name="watch"></param>
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/// <returns></returns>
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public static string TimerEnd(Stopwatch watch)
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{
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watch.Stop();
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double costtime = watch.ElapsedMilliseconds;
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return costtime.ToString();
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}
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#endregion Stopwatch计时器
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//返回每月的第一天和最后一天
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public static void ReturnDateFormat(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 = 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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if (DateTime.IsLeapYear(DateTime.Now.Year))
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lastDay = DateTime.Now.ToString(year + "-0" + month + "-29");
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else
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lastDay = 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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/// <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"></param>
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/// <returns></returns>
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public string GetFormatDate(DateTime dt, char Separator)
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{
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if (dt != null && !dt.Equals(DBNull.Value))
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{
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string tem = string.Format("yyyy{0}MM{1}dd", Separator, Separator);
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return dt.ToString(tem);
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}
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else
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{
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return GetFormatDate(DateTime.Now, Separator);
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}
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}
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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"></param>
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/// <param name="Separator"></param>
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/// <returns></returns>
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public string GetFormatTime(DateTime dt, char Separator)
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{
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if (dt != null && !dt.Equals(DBNull.Value))
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{
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string tem = string.Format("hh{0}mm{1}ss", Separator, Separator);
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return dt.ToString(tem);
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}
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else
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{
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return GetFormatDate(DateTime.Now, Separator);
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}
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}
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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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/// <returns></returns>
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public static int SecondToMinute(int Second)
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{
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decimal mm = (decimal)((decimal)Second / (decimal)60);
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return Convert.ToInt32(Math.Ceiling(mm));
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}
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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="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(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 返回某年某月最后一天
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#region 返回时间差
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public static string DateDiff(DateTime DateTime1, DateTime DateTime2)
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{
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string dateDiff = null;
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try
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{
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//TimeSpan ts1 = new TimeSpan(DateTime1.Ticks);
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//TimeSpan ts2 = new TimeSpan(DateTime2.Ticks);
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//TimeSpan ts = ts1.Subtract(ts2).Duration();
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TimeSpan ts = DateTime2 - DateTime1;
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if (ts.Days >= 1)
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{
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dateDiff = DateTime1.Month.ToString() + "月" + DateTime1.Day.ToString() + "日";
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}
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else
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{
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if (ts.Hours > 1)
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{
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dateDiff = ts.Hours.ToString() + "小时前";
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}
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else
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{
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dateDiff = ts.Minutes.ToString() + "分钟前";
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}
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}
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}
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catch
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{ }
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return dateDiff;
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}
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#endregion 返回时间差
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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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public static TimeSpan DateDiff2(DateTime DateTime1, DateTime DateTime2)
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{
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TimeSpan ts1 = new TimeSpan(DateTime1.Ticks);
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TimeSpan ts2 = new TimeSpan(DateTime2.Ticks);
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TimeSpan ts = ts1.Subtract(ts2).Duration();
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return ts;
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}
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#endregion 获得两个日期的间隔
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#region 格式化日期时间
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/// <summary>
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/// 格式化日期时间
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/// </summary>
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/// <param name="dateTime1">日期时间</param>
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/// <param name="dateMode">显示模式</param>
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/// <returns>0-9种模式的日期</returns>
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public static string FormatDate(DateTime dateTime1, string dateMode)
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{
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switch (dateMode)
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{
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case "0":
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return dateTime1.ToString("yyyy-MM-dd");
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case "1":
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return dateTime1.ToString("yyyy-MM-dd HH:mm:ss");
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case "2":
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return dateTime1.ToString("yyyy/MM/dd");
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case "3":
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return dateTime1.ToString("yyyy年MM月dd日");
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case "4":
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return dateTime1.ToString("MM-dd");
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case "5":
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return dateTime1.ToString("MM/dd");
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case "6":
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return dateTime1.ToString("MM月dd日");
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case "7":
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return dateTime1.ToString("yyyy-MM");
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case "8":
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return dateTime1.ToString("yyyy/MM");
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case "9":
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return dateTime1.ToString("yyyy年MM月");
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default:
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return dateTime1.ToString();
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}
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}
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#endregion 格式化日期时间
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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(DateTime time1, DateTime time2)
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{
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Random random = new Random();
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DateTime minTime = new DateTime();
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DateTime maxTime = new DateTime();
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TimeSpan 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 = 0;
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if (dTotalSecontds > Int32.MaxValue)
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{
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iTotalSecontds = Int32.MaxValue;
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}
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else if (dTotalSecontds < Int32.MinValue)
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{
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iTotalSecontds = Int32.MinValue;
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}
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else
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{
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iTotalSecontds = (int)dTotalSecontds;
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}
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if (iTotalSecontds > 0)
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{
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minTime = time2;
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maxTime = time1;
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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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maxTime = time2;
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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 <= Int32.MinValue)
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maxValue = Int32.MinValue + 1;
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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 得到随机日期
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/// <summary>
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/// DateTime时间格式转换为Unix时间戳格式
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/// </summary>
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/// <param name=”time”></param>
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/// <returns></returns>
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public static int ConvertDateTimeInt(System.DateTime time)
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{
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System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
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return (int)(time - startTime).TotalSeconds;
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}
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/// <summary>
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/// 时间戳转为C#格式时间
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/// </summary>
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/// <param name=”timeStamp”></param>
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/// <returns></returns>
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public static DateTime GetTimeFromLinuxTime(long timeStamp)
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{
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System.DateTime dtDateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0);
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dtDateTime = dtDateTime.AddMilliseconds(timeStamp).ToLocalTime();
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return dtDateTime;
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}
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}
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} |