更新

example/gin_server/main.go

@@ -13,19 +13,25 @@ import (
 
 func main() {
 	ctx := context.Background()
-	log := loggerx.NewLogger(ctx, loggerx.SetToConsole())
+	log := loggerx.NewLogger(ctx,
+		loggerx.SetToConsole(),
+		loggerx.SetGinLog(true), // 把 gin 自身的 access log 也收进日志文件
+	)
 	// 进程退出前落盘并释放文件句柄
 	defer log.Close()
 
-	g := gin.Default()
+	g := gin.New() // 用 gin.New 而不是 gin.Default，避免 access log 与中间件重复记录
+	g.Use(gin.Recovery())
 
-	g.Use(middleware.SetGinTraceIdByLogger(log))
+	// 生成/透传 trace id，并写回响应头 X-Trace-Id
+	g.Use(middleware.SetGinTraceId(log))
 	g.Use(middleware.SetGinParams(log))
 
-	g.GET("/ping", func(ctx *gin.Context) {
-		log.Infof(ctx, "GET /ping")
-		ctx.JSON(200, gin.H{"message": "pong"})
+	g.GET("/ping", func(c *gin.Context) {
+		// trace id 通过 request context 传给日志，便于串起整条链路
+		log.Infof(c.Request.Context(), "GET /ping")
+		c.JSON(200, gin.H{"message": "pong", "trace_id": middleware.GetTraceId(c.Request.Context(), log.GetTraceField())})
 	})
 
-	g.Run(":8080")
+	_ = g.Run(":8080")
 }