fix

product/internal/handler/getsizebyproducthandler.go

@@ -0,0 +1,26 @@
+package handler
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/zeromicro/go-zero/core/logx"
+	"github.com/zeromicro/go-zero/rest/httpx"
+
+	"fusenapi/product/internal/logic"
+	"fusenapi/product/internal/svc"
+)
+
+func GetSizeByProductHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		l := logic.NewGetSizeByProductLogic(r.Context(), svcCtx)
+		resp := l.GetSizeByProduct()
+		if resp != nil {
+			httpx.OkJsonCtx(r.Context(), w, resp)
+		} else {
+			err := errors.New("server logic is error, resp must not be nil")
+			httpx.ErrorCtx(r.Context(), w, err)
+			logx.Error(err)
+		}
+	}
+}

product/internal/handler/routes.go

@@ -25,4 +25,14 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 		},
 		rest.WithJwt(serverCtx.Config.Auth.AccessSecret),
 	)
+
+	server.AddRoutes(
+		[]rest.Route{
+			{
+				Method:  http.MethodGet,
+				Path:    "/product/get-size-by-product",
+				Handler: GetSizeByProductHandler(serverCtx),
+			},
+		},
+	)
 }