update static mode

timer.go

@@ -196,6 +196,13 @@ func (t *StarTimer) SetBaseDate(date time.Time) {
 	t.base = date
 }
 
+func (t *StarTimer) StaticMode() bool {
+	return t.staticMode
+}
+func (t *StarTimer) SetStaticMode(s bool) {
+	t.staticMode = s
+}
+
 func (t *StarTimer) ResetWithRepeat(base time.Time, repeat []*Repeats) error {
 	t.Stop()
 	t.base = base
@@ -212,7 +219,59 @@ func (t *StarTimer) Repeats() []*Repeats {
 	return t.repeat
 }
 
+func (t *StarTimer) runAsStaticMode() error {
+	t.mu.Lock()
+	defer t.mu.Unlock()
+	if t.running {
+		return nil
+	}
+	for _, v := range t.repeat {
+		if err := t.repeatsCheck(v); err != nil {
+			return err
+		}
+	}
+	t.base = time.Now()
+	base := t.base
+	t.nextDate = t.parseNextDate(base, false)
+	if t.nextDate.Before(time.Now()) {
+		return errors.New("Invalid Timer Options,Please Check")
+	}
+	t.running = true
+	t.stopCtx, t.stopFn = context.WithCancel(context.Background())
+	go func() {
+		for {
+			if t.runLimit > 0 && t.runCount >= t.runLimit {
+				t.Stop()
+			}
+			now := time.Now()
+			t.nextDate = t.parseNextDate(now, false)
+			if t.nextDate.Before(now) || t.runLimit > 0 && t.runCount+1 >= t.runLimit {
+				t.Stop()
+			}
+			t.mu.Lock()
+			t.timer = time.NewTimer(t.nextDate.Sub(now))
+			t.mu.Unlock()
+			select {
+			case <-t.timer.C:
+				t.runCount++
+				for _, fn := range t.tasks {
+					go fn()
+				}
+				if !t.running {
+					return
+				}
+			case <-t.stopCtx.Done():
+				return
+			}
+		}
+	}()
+	return nil
+}
+
 func (t *StarTimer) Run() error {
+	if t.staticMode {
+		return t.runAsStaticMode()
+	}
 	t.mu.Lock()
 	defer t.mu.Unlock()
 	if t.running {

typed.go

@@ -41,6 +41,8 @@ type StarTimer struct {
 	runLimit int
 	repeat   []*Repeats
 	tasks    []func()
+	//staticMode 意味永久以当前时间为基准进行动作，例如crontab
+	staticMode bool
 }
 
 type TimerOptions func(option *TimerOption)