iter: d11 modal 补 size 档位与 footer 操作区

packages/skin/ui/src/modal.ts

@@ -16,9 +16,10 @@ export function modal(props: ModalProps, ...children: unknown[]): HTMLElement {
   });
   const box = h(
     'div',
-    { class: 'ua-modal' },
+    { class: `ua-modal ua-modal-${props.size ?? 'md'}` },
     h('div', { class: 'ua-modal-head' }, h('h3', { class: 'ua-modal-title' }, props.title), h('button', { class: 'ua-modal-close', onClick: close }, '×')),
     h('div', { class: 'ua-modal-body' }, ...children),
+    props.footer ? h('div', { class: 'ua-modal-foot' }, props.footer) : null, // 底部操作区：右对齐，仅传了才渲染
   );
   overlay.append(box);
   effect(() => {