From 3f3bfb2a9799eb7c102427b4008b1b1d12de72df Mon Sep 17 00:00:00 2001
From: huangsimin <huangsimin@youmi.net>
Date: Thu, 6 Dec 2018 10:17:10 +0800
Subject: [PATCH] crontab v1.0.0

---
 crontab.go | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/crontab.go b/crontab.go
index 3111c3b..4c1e6f2 100644
--- a/crontab.go
+++ b/crontab.go
@@ -91,6 +91,19 @@ func (cron *Crontab) TimeUp() bool {
 	return cron.linuxTimeUp()
 }
 
+// NextTime 返回下次任务的时间
+func (cron *Crontab) NextTime() *time.Time {
+	if cron.interval != nil {
+		return &cron.nextTime
+	}
+
+	if len(cron.WillPlans) > 0 {
+		return &cron.WillPlans[0]
+	}
+
+	return nil
+}
+
 func (cron *Crontab) String() string {
 	return fmt.Sprintf("min:%s\nhour:%s\nday:%s\nmonth:%s\nweek:%s\n", spew.Sdump(cron.min), spew.Sdump(cron.hour), spew.Sdump(cron.day), spew.Sdump(cron.month), spew.Sdump(cron.week))
 }
@@ -173,7 +186,8 @@ func (cron *Crontab) linuxTimeUp() bool {
 				return istimeup
 			}
 		}
-		cron.SkipPlans = cron.WillPlans
+
+		cron.SkipPlans = append(cron.SkipPlans, cron.WillPlans...)
 		cron.WillPlans = nil
 		return istimeup
 	}