example: log rotate (#3137)

example/os/log/rotate/config.toml

@@ -0,0 +1,8 @@
+[logger]
+path = "./log"
+file = "{Y-m-d-H-i}.log"
+level = "all"
+stdout = true
+rotateExpire = "1m"
+rotateBackupLimit = 4
+rotateCheckInterval = "5s"

example/os/log/rotate/main.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"context"
+	"time"
+
+	"github.com/gogf/gf/v2/frame/g"
+)
+
+func main() {
+	ctx := context.Background()
+	mylog := g.Log()
+	for {
+		mylog.Debug(ctx, "debug")
+		time.Sleep(time.Second)
+		mylog.Info(ctx, "info")
+		time.Sleep(time.Second)
+		mylog.Warning(ctx, "warning")
+		time.Sleep(time.Second)
+		mylog.Error(ctx, "error")
+		time.Sleep(time.Second)
+	}
+}