update: 整理项目结构 重写中间件 提高复用性

internal/middleware/recovery.go

@@ -0,0 +1,30 @@
+package middleware
+
+import (
+	"log/slog"
+	"net/http"
+	"runtime/debug"
+
+	"github.com/gin-gonic/gin"
+)
+
+// Recovery 捕获 panic 并记录堆栈信息
+func Recovery(logger *slog.Logger) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		defer func() {
+			if rcv := recover(); rcv != nil {
+				logger.Error("发生Panic",
+					"req_id", GetReqID(c),
+					"error", rcv,
+					"stack", string(debug.Stack()),
+					"path", c.Request.URL.Path,
+				)
+				c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+					"error": "内部服务器错误",
+					"req_id": GetReqID(c),
+				})
+			}
+		}()
+		c.Next()
+	}
+}