fix: 修复ApiUpload组件无法限制上传文件类型

@@ -47,6 +47,7 @@
       transformFile?: (file: File) => string | Blob | Promise<string | Blob | File>;
       api: (file: string | Blob | Promise<string | Blob | File>) => Promise<FileItem>;
       overFileLimitHiddenUploadEntry?: boolean;
+      beforeUpload: (file: File, fileList: File[]) => boolean;
     }>(),
     {
       fileList: () => [],
@@ -57,7 +58,11 @@
     }
   );
 
-  const handleBeforeUpload = (file: File) => {
+  const handleBeforeUpload = (file: File, fileList: File[]) => {
+    const { beforeUpload } = props;
+
+    if (beforeUpload && isFunction(beforeUpload)) return beforeUpload?.(file, fileList);
+
     if (file.size > props.maxSize) {
       createMessage.warning(`文件大小超过${Math.floor(props.maxSize / 1024 / 1024)}mb`);
       return false;
@@ -129,6 +134,7 @@
 <template>
   <Upload
     class="block"
+    :accept="accept"
     :class="prefixCls"
     :file-list="props.fileList"
     :list-type="props.listType"