update: 整理项目结构 重写中间件 提高复用性

internal/middleware/logging.go

@@ -0,0 +1,31 @@
+package middleware
+
+import (
+	"log/slog"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+// Logger 使用 slog 输出结构化访问日志
+func Logger(logger *slog.Logger) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		start := time.Now()
+		path := c.Request.URL.Path
+		raw := c.Request.URL.RawQuery
+		c.Next()
+		if raw != "" { path = path + "?" + raw }
+		latency := time.Since(start)
+		status := c.Writer.Status()
+		logger.Info("HTTP请求",
+			"req_id", GetReqID(c),
+			"method", c.Request.Method,
+			"path", path,
+			"status", status,
+			"latency_ms", latency.Milliseconds(),
+			"size", c.Writer.Size(),
+			"ip", c.ClientIP(),
+			"ua", c.GetHeader("User-Agent"),
+		)
+	}
+}