init: hgmj server initial commit

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

skd/job/schedule.go

@@ -0,0 +1,34 @@
+package job
+
+import (
+	"context"
+	"time"
+
+	"91jd-server/common/log"
+
+	"github.com/robfig/cron/v3"
+)
+
+var statCron *cron.Cron
+
+func init() {
+	statCron = cron.New(cron.WithSeconds()) //从秒开始的定时任务
+}
+
+// 开启定时任务
+func Start() {
+	log.Info("start job...", log.Any("beginAt", time.Now()))
+	start()
+}
+
+func Stop() {
+	ctx := statCron.Stop()
+	<-ctx.Done()
+	err := ctx.Err()
+	//statCron.Stop()后，若job处于静默可能立即退出，再次执行<-ctx.Done()产生Canceled错误，此处忽略该错误
+	if err != nil && err != context.Canceled {
+		log.Error("Skd Job Stop error", log.E(err))
+		return
+	}
+	log.Info("end job", log.Any("endAt", time.Now()))
+}