improve handler feature for package glog

.example/os/glog/handler/glog_handler_greylog.go

@@ -0,0 +1,31 @@
+package main
+
+//import (
+//	"context"
+//	"github.com/gogf/gf/frame/g"
+//	"github.com/gogf/gf/os/glog"
+//	"github.com/robertkowalski/graylog-golang"
+//)
+//
+//var greyLogClient = gelf.New(gelf.Config{
+//	GraylogPort:     80,
+//	GraylogHostname: "graylog-host.com",
+//	Connection:      "wan",
+//	MaxChunkSizeWan: 42,
+//	MaxChunkSizeLan: 1337,
+//})
+//
+//// LoggingGreyLogHandler is an example handler for logging content to remote GreyLog service.
+//var LoggingGreyLogHandler glog.Handler = func(ctx context.Context, in *glog.HandlerInput) {
+//	in.Next()
+//	greyLogClient.Log(in.Buffer.String())
+//}
+//
+//func main() {
+//	g.Log().SetHandlers(LoggingGreyLogHandler)
+//
+//	g.Log().Debug("Debugging...")
+//	g.Log().Warning("It is warning info")
+//	g.Log().Error("Error occurs, please have a check")
+//	glog.Println("test log")
+//}

.example/os/glog/handler/glog_handler_json.go

@@ -16,7 +16,7 @@ type JsonOutputsForLogger struct {
 	Content string `json:"content"`
 }
 
-// LoggingJsonHandler is a example handler for logging JSON format content.
+// LoggingJsonHandler is an example handler for logging JSON format content.
 var LoggingJsonHandler glog.Handler = func(ctx context.Context, in *glog.HandlerInput) {
 	jsonForLogger := JsonOutputsForLogger{
 		Time:    in.TimeFormat,