feat: 分类管理添加是否可跨分类购物选项

backend/internal/api/handlers/product.go

@@ -49,16 +49,17 @@ func (h *CategoryHandler) Create(c *gin.Context) {
 	}
 
 	category := models.Category{
-		Name:        req.Name,
-		Description: req.Description,
-		ParentID:    req.ParentID,
-		MinAmount:   req.MinAmount,
-		MaxAmount:   req.MaxAmount,
-		MinQuantity: req.MinQuantity,
-		MaxQuantity: req.MaxQuantity,
-		MinWeight:   req.MinWeight,
-		MaxWeight:   req.MaxWeight,
-		SortOrder:   req.SortOrder,
+		Name:               req.Name,
+		Description:        req.Description,
+		ParentID:           req.ParentID,
+		MinAmount:          req.MinAmount,
+		MaxAmount:          req.MaxAmount,
+		MinQuantity:        req.MinQuantity,
+		MaxQuantity:        req.MaxQuantity,
+		MinWeight:          req.MinWeight,
+		MaxWeight:          req.MaxWeight,
+		AllowCrossCategory: req.AllowCrossCategory != nil && *req.AllowCrossCategory,
+		SortOrder:          req.SortOrder,
 	}
 
 	if err := utils.DB.Create(&category).Error; err != nil {
@@ -122,6 +123,9 @@ func (h *CategoryHandler) Update(c *gin.Context) {
 	if req.SortOrder != nil {
 		updates["sort_order"] = *req.SortOrder
 	}
+	if req.AllowCrossCategory != nil {
+		updates["allow_cross_category"] = *req.AllowCrossCategory
+	}
 
 	utils.DB.Model(&category).Updates(updates)
 	c.JSON(http.StatusOK, gin.H{"data": category})

backend/internal/models/category.go

@@ -7,22 +7,23 @@ import (
 )
 
 type Category struct {
-	ID           uint           `gorm:"primaryKey" json:"id"`
-	Name         string         `gorm:"size:100;not null;uniqueIndex" json:"name"`
-	Description  string         `json:"description"`
-	ParentID     *uint          `json:"parent_id"`
-	MinAmount    *float64       `json:"min_amount"`
-	MaxAmount    *float64       `json:"max_amount"`
-	MinQuantity  *int           `json:"min_quantity"`
-	MaxQuantity  *int           `json:"max_quantity"`
-	MinWeight    *float64       `json:"min_weight"`
-	MaxWeight    *float64       `json:"max_weight"`
-	SortOrder    int            `gorm:"default:0" json:"sort_order"`
-	CreatedAt    time.Time      `json:"created_at"`
-	UpdatedAt    time.Time      `json:"updated_at"`
-	DeletedAt    gorm.DeletedAt `gorm:"index" json:"-"`
-	ProductCount int64          `gorm:"-" json:"product_count"`
-	Children     []Category     `gorm:"foreignKey:ParentID" json:"children,omitempty"`
+	ID                 uint           `gorm:"primaryKey" json:"id"`
+	Name               string         `gorm:"size:100;not null;uniqueIndex" json:"name"`
+	Description        string         `json:"description"`
+	ParentID           *uint          `json:"parent_id"`
+	MinAmount          *float64       `json:"min_amount"`
+	MaxAmount          *float64       `json:"max_amount"`
+	MinQuantity        *int           `json:"min_quantity"`
+	MaxQuantity        *int           `json:"max_quantity"`
+	MinWeight          *float64       `json:"min_weight"`
+	MaxWeight          *float64       `json:"max_weight"`
+	AllowCrossCategory bool           `gorm:"default:false" json:"allow_cross_category"`
+	SortOrder          int            `gorm:"default:0" json:"sort_order"`
+	CreatedAt          time.Time      `json:"created_at"`
+	UpdatedAt          time.Time      `json:"updated_at"`
+	DeletedAt          gorm.DeletedAt `gorm:"index" json:"-"`
+	ProductCount       int64          `gorm:"-" json:"product_count"`
+	Children           []Category     `gorm:"foreignKey:ParentID" json:"children,omitempty"`
 }
 
 func (Category) TableName() string {

backend/internal/schemas/product.go

@@ -1,29 +1,31 @@
 package schemas
 
 type CreateCategoryRequest struct {
-	Name         string   `json:"name" binding:"required"`
-	Description  string   `json:"description"`
-	ParentID     *uint    `json:"parent_id"`
-	MinAmount    *float64 `json:"min_amount"`
-	MaxAmount    *float64 `json:"max_amount"`
-	MinQuantity  *int     `json:"min_quantity"`
-	MaxQuantity  *int     `json:"max_quantity"`
-	MinWeight    *float64 `json:"min_weight"`
-	MaxWeight    *float64 `json:"max_weight"`
-	SortOrder    int      `json:"sort_order"`
+	Name               string   `json:"name" binding:"required"`
+	Description        string   `json:"description"`
+	ParentID           *uint    `json:"parent_id"`
+	MinAmount          *float64 `json:"min_amount"`
+	MaxAmount          *float64 `json:"max_amount"`
+	MinQuantity        *int     `json:"min_quantity"`
+	MaxQuantity        *int     `json:"max_quantity"`
+	MinWeight          *float64 `json:"min_weight"`
+	MaxWeight          *float64 `json:"max_weight"`
+	AllowCrossCategory *bool    `json:"allow_cross_category"`
+	SortOrder          int      `json:"sort_order"`
 }
 
 type UpdateCategoryRequest struct {
-	Name         *string  `json:"name"`
-	Description  *string  `json:"description"`
-	ParentID     *uint    `json:"parent_id"`
-	MinAmount    *float64 `json:"min_amount"`
-	MaxAmount    *float64 `json:"max_amount"`
-	MinQuantity  *int     `json:"min_quantity"`
-	MaxQuantity  *int     `json:"max_quantity"`
-	MinWeight    *float64 `json:"min_weight"`
-	MaxWeight    *float64 `json:"max_weight"`
-	SortOrder    *int     `json:"sort_order"`
+	Name               *string  `json:"name"`
+	Description        *string  `json:"description"`
+	ParentID           *uint    `json:"parent_id"`
+	MinAmount          *float64 `json:"min_amount"`
+	MaxAmount          *float64 `json:"max_amount"`
+	MinQuantity        *int     `json:"min_quantity"`
+	MaxQuantity        *int     `json:"max_quantity"`
+	MinWeight          *float64 `json:"min_weight"`
+	MaxWeight          *float64 `json:"max_weight"`
+	AllowCrossCategory *bool    `json:"allow_cross_category"`
+	SortOrder          *int     `json:"sort_order"`
 }
 
 type CreateProductRequest struct {