<a-form-item label="分类"> <a-cascader v-model:value="categoryIds" :field-names
placeholder="请选择" allowClear :options="modal.cData" :field-names
If the no-cache directive does specify one or more field-names, then a cache MAY use the response to A Vary field value consisting of a list of field-names signals that the representation selected for the The field-names given are not limited to the set of standard request-header fields defined by this specification
If the no-cache directive does specify one or more field-names, then a cache MAY use the response to A Vary field value consisting of a list of field-names signals that the representation selected for the The field-names given are not limited to the set of standard request-header fields defined by this specification