feat: GiForm 支持 label 自定义渲染，以及插槽自定义渲染（同步 GiDemo 更新）

src/components/GiForm/src/GiForm.vue

@@ -7,9 +7,13 @@
           :span="item.span || options.gridItem?.span"
         >
           <a-form-item
-            v-bind="item.formItemProps" :label="item.label" :field="item.field" :rules="item.rules"
+            v-bind="item.formItemProps" :field="item.field" :rules="item.rules"
             :disabled="isDisabled(item.disabled)"
           >
+            <template #label>
+              <template v-if="typeof item.label === 'string'">{{ item.label }}</template>
+              <component :is="item.label" v-else></component>
+            </template>
             <slot
               v-if="!['group-title'].includes(item.type || '')" :name="item.field"
               v-bind="{ disabled: isDisabled(item.disabled) }"
@@ -25,7 +29,12 @@
                 :is="`a-${item.type}`" v-else v-bind="getComponentBindProps(item)"
                 :model-value="modelValue[item.field as keyof typeof modelValue]"
                 @update:model-value="valueChange($event, item.field)"
-              ></component>
+              >
+                <template v-for="(slotValue, slotKey) in item?.slots" :key="slotKey" #[slotKey]>
+                  <template v-if="typeof slotValue === 'string'">{{ slotValue }}</template>
+                  <component :is="slotValue" v-else></component>
+                </template>
+              </component>
             </slot>
             <slot v-else name="group-title">
               <a-alert v-bind="item.props">{{ item.label }}</a-alert>

src/components/GiForm/src/type.ts

@@ -1,4 +1,5 @@
 import type * as A from '@arco-design/web-vue'
+import type { VNode } from 'vue'
 
 export type FormType =
   | 'input'
@@ -69,7 +70,7 @@ export type ColumnsItemOptionsOrData =
 
 export interface ColumnsItem<F = any> {
   type?: FormType // 类型
-  label?: A.FormItemInstance['label'] // 标签
+  label?: A.FormItemInstance['label'] | (() => VNode) // 标签
   field: A.FormItemInstance['field'] // 字段(必须唯一)
   gridItemProps?: A.GridItemProps
   formItemProps?: Omit<A.FormItemInstance['$props'], 'label' | 'field'> // a-form-item的props
@@ -106,6 +107,8 @@ export interface ColumnsItem<F = any> {
   resultFormat?: ColumnsItemFormat // 结果集格式化
   init?: boolean // 初始化请求
   cascader?: string[] // 级联的field字段列表
+  slots?: Partial<Record<'prepend' | 'append' | 'suffix' | 'prefix', string | (() => VNode)>>
+  formItemSlots?: Partial<Record<'help' | 'extra', string | (() => VNode)>>
 }
 
 export interface Options {