feat: 添加banner页面 添加菜单

src/api/upload.ts

@@ -0,0 +1,27 @@
+import { get } from '@/utils/request';
+import type { OssUploadTypeValue } from '@/utils/oss';
+
+/** OSS 签名数据 */
+export interface OssSignData {
+  host: string;
+  dir: string;
+  policy: string;
+  signature: string;
+  x_oss_credential: string;
+  x_oss_date: string;
+  security_token: string;
+}
+
+/**
+ * 获取 OSS 上传签名
+ * @param type 上传类型（参见 OssUploadType）
+ */
+export async function fetchOssSign(type: OssUploadTypeValue): Promise<OssSignData> {
+  // 后端签名接口地址（待对接时调整）
+  const res: any = await get('/sys/oss/getUploadSign', { type });
+  const data = res?.data as OssSignData;
+  if (!data?.host) {
+    throw new Error(res?.msg || '获取上传凭证失败');
+  }
+  return data;
+}