- update cron crontab

utils/rocron/crontab.go

@@ -0,0 +1,89 @@
+package rocron
+
+import "fmt"
+
+var (
+	EarlyInTheMorningSpec    = "0 0 0 * * *"
+	EarlyInTheMorningExplain = "每天0点执行一次"
+)
+
+// GetSecondsSpec 秒
+func GetSecondsSpec(seconds int) string {
+	if seconds <= 0 {
+		seconds = 0
+	}
+	if seconds > 60 {
+		seconds = 60
+	}
+	return fmt.Sprintf("*/%d * * * * *", seconds)
+}
+
+// GetSecondsExplain 秒
+func GetSecondsExplain(seconds int) string {
+	if seconds <= 0 {
+		seconds = 0
+	}
+	if seconds > 60 {
+		seconds = 60
+	}
+	return fmt.Sprintf("每隔%d秒执行一次", seconds)
+}
+
+// GetMinutesSpec 分
+func GetMinutesSpec(minutes, seconds int) string {
+	if minutes <= 0 {
+		minutes = 0
+	}
+	if seconds > 59 {
+		seconds = 59
+	}
+	return fmt.Sprintf("%d */%d * * * *", seconds, minutes)
+}
+
+// GetMinutesExplain 分
+func GetMinutesExplain(minutes, seconds int) string {
+	if minutes <= 0 {
+		minutes = 0
+	}
+	if seconds <= 0 {
+		return fmt.Sprintf("每隔%d分钟执行一次", minutes)
+	}
+	if seconds > 59 {
+		seconds = 59
+	}
+	return fmt.Sprintf("每隔%d分钟%d秒执行一次", minutes, seconds)
+}
+
+// GetHoursSpec 小时
+func GetHoursSpec(hours, minutes, seconds int) string {
+	if hours <= 0 {
+		hours = 0
+	}
+	if minutes > 59 {
+		minutes = 59
+	}
+	if seconds > 59 {
+		seconds = 59
+	}
+	return fmt.Sprintf("%d %d */%d * * *", seconds, minutes, hours)
+}
+
+// GetHoursExplain 小时
+func GetHoursExplain(hours, minutes, seconds int) string {
+	if hours <= 0 {
+		hours = 0
+	}
+	if seconds <= 0 {
+		if minutes <= 0 {
+			return fmt.Sprintf("每隔%d小时执行一次", hours)
+		}
+		if minutes > 59 {
+			minutes = 59
+		}
+		return fmt.Sprintf("每隔%d小时%d分执行一次", hours, minutes)
+	}
+	if seconds > 59 {
+		seconds = 59
+	}
+	return fmt.Sprintf("每隔%d小时%d分%d秒执行一次", hours, minutes, seconds)
+}