private void StartTimeList(CycelType cycelType, List <DateTime> times)
{
if (times == null || times.Count == 0)
{
return;
}
InitTimeList(cycelType, times);
//将日期根据循环模式做处理
var ts = GetNextTime(cycelType, times);
if (ts == TimeSpan.MinValue)
{
return;
}
_timer = new Timer((obj) =>
{
var timeSpan = GetNextTime(cycelType, times);
if (timeSpan != TimeSpan.MinValue)
{
_timer.Change(timeSpan, timeSpan);
}
_action();
if (timeSpan == TimeSpan.MinValue)
{
try { Stop(); } catch { }
}
}, null, ts, ts);
}
/// <summary>
/// 创建一个定时器对象并立即开始
/// </summary>
/// <param name="action">定时器要完成的任务委托</param>
/// <param name="cycelType">循环模式<see cref="CycelType"/></param>
/// <param name="times">时间列表</param>
public static Timing StartNewTiming(Action action, CycelType cycelType, params DateTime[] times)
{
var timing = new Timing(action);
timing.Start(cycelType, times);
return(timing);
}
private DateTime HandleTime(CycelType cycel, DateTime dt)
{
switch (cycel)
{
case CycelType.Never:
return(dt);
case CycelType.Minute:
return(dt.AddMinutes(1));
case CycelType.Hour:
return(dt.AddHours(1));
case CycelType.Day:
return(dt.AddDays(1));
case CycelType.Week:
return(dt.AddDays(7));
case CycelType.Month:
return(dt.AddMonths(1));
case CycelType.Year:
return(dt.AddYears(1));
default:
return(dt);
}
}
private TimeSpan GetNextTime(CycelType cycelType, List <DateTime> times)
{
var next = times.OrderBy(t => t)
.Where(t => t > DateTime.Now)
.Select(t => new { Index = times.IndexOf(t), Time = t })
.FirstOrDefault();
if (next == null)
{
return(TimeSpan.MinValue);
}
DateTime nextTime = next.Time;
if (nextTime == DateTime.MinValue)
{
return(TimeSpan.MinValue);
}
var ts = (nextTime - DateTime.Now);
if (ts.TotalMilliseconds <= 0)
{
return(TimeSpan.MinValue);
}
else
{
times[next.Index] = HandleTime(cycelType, nextTime);
return(ts);
}
}
private void InitTimeList(CycelType cycel, List <DateTime> times)
{
for (int i = 0; i < times.Count; i++)
{
switch (cycel)
{
case CycelType.Never:
break;
case CycelType.Minute:
times[i] = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-dd HH:mm:") + times[i].ToString("ss.fff"));
break;
case CycelType.Hour:
times[i] = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-dd HH:") + times[i].ToString("mm:ss.fff"));
break;
case CycelType.Day:
times[i] = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-dd ") + times[i].ToString("HH:mm:ss.fff"));
break;
case CycelType.Week:
times[i] = DateTime.Parse(DateTime.Now.ToString("yyyy-MM- ") + times[i].ToString("dd HH:mm:ss.fff"));
break;
case CycelType.Month:
times[i] = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-") + times[i].ToString("dd HH:mm:ss.fff"));
break;
case CycelType.Year:
times[i] = DateTime.Parse(DateTime.Now.ToString("yyyy-") + times[i].ToString("MM-dd HH:mm:ss.fff"));
break;
default:
break;
}
}
while (cycel != CycelType.Never && times.Any(t => t < DateTime.Now))
{
var leftList = times.Where(t => t < DateTime.Now).ToList();
for (int i = 0; i < leftList.Count; i++)
{
times[i] = HandleTime(cycel, times[i]);
}
}
}
/// <summary>
/// 开始定时器
/// </summary>
/// <param name="cycelType">循环模式<see cref="CycelType"/></param>
/// <param name="times">时间列表</param>
public void Start(CycelType cycelType, params DateTime[] times)
{
StartTimeList(cycelType, times.ToList());
}
