update

internal/middleware/ginlogger.go

@@ -0,0 +1,53 @@
+package middleware
+
+import (
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"log/slog"
+)
+
+// GinLogger 用结构化日志（slog，由 main 设为 JSON handler）记录每个请求，
+// 替代 gin 默认的 text logger，便于生产环境集中采集与检索。
+func GinLogger() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		start := time.Now()
+		path := c.Request.URL.Path
+		raw := c.Request.URL.RawQuery
+
+		c.Next()
+
+		// 跳过健康检查等高频噪声路径
+		if path == "/api/health" || path == "/api/v1/health" {
+			return
+		}
+
+		latency := time.Since(start)
+		status := c.Writer.Status()
+		clientIP := c.ClientIP()
+		method := c.Request.Method
+		if raw != "" {
+			path = path + "?" + raw
+		}
+
+		attrs := []slog.Attr{
+			slog.String("method", method),
+			slog.String("path", path),
+			slog.Int("status", status),
+			slog.String("ip", clientIP),
+			slog.Duration("latency", latency),
+		}
+		if len(c.Errors) > 0 {
+			attrs = append(attrs, slog.String("error", c.Errors.ByType(gin.ErrorTypePrivate).String()))
+		}
+
+		switch {
+		case status >= 500:
+			slog.LogAttrs(c.Request.Context(), slog.LevelError, "request", attrs...)
+		case status >= 400:
+			slog.LogAttrs(c.Request.Context(), slog.LevelWarn, "request", attrs...)
+		default:
+			slog.LogAttrs(c.Request.Context(), slog.LevelInfo, "request", attrs...)
+		}
+	}
+}