feat(Card): 优化显示结构

Author: CoderTongxin

packages/devui-vue/devui/card/src/card.tsx

@@ -19,16 +19,18 @@ export default defineComponent({
     return () => (
       <div class={['card-container', ns.b(), ns.em('shadow', props.shadow)]}>
         {slots.default?.()}
-        <div class={ns.e('header')}>
-          {slots.avatar?.() ? <div class={ns.e('avatar')}>{slots.avatar?.()}</div> : ''}
-          <div>
-            <div class={ns.e('title')}>{slots.title?.()}</div>
-            <div class={ns.e('subtitle')}>{slots.subtitle?.()}</div>
+        {(slots.avatar || slots.title || slots.subtitle) && (
+          <div class={ns.e('header')}>
+            {slots.avatar?.() ? <div class={ns.e('avatar')}>{slots.avatar?.()}</div> : ''}
+            <div>
+              <div class={ns.e('title')}>{slots.title?.()}</div>
+              <div class={ns.e('subtitle')}>{slots.subtitle?.()}</div>
+            </div>
           </div>
-        </div>
+        )}
         {src.value !== '' ? <img src={src.value} alt="" class={ns.e('meta')} /> : ''}
-        <div class={ns.e('content')}>{slots.content?.()}</div>
-        <div class={alignClass.value}>{slots.actions ? slots.actions?.() : ''}</div>
+        {slots.content && <div class={ns.e('content')}>{slots.content?.()}</div>}
+        {slots.actions && <div class={alignClass.value}>{slots.actions ? slots.actions?.() : ''}</div>}
       </div>
     );
   },

packages/devui-vue/docs/components/card/index.md

@@ -254,6 +254,7 @@
 | title    | 卡片的主要内容描述，一般定义为卡片名称 |
 | subtitle | 对标题的补充，可包含标签等信息         |
 | actions  | 决策作用，可以包含操作文本或者操作图标 |
+|default|自定义卡片内所有内容|
 
 ### Card 类型定义
 

packages/devui-vue/package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-devui",
-  "version": "1.6.12",
+  "version": "1.6.13",
   "license": "MIT",
   "description": "DevUI components based on Vite and Vue3",
   "keywords": [