较多改动，暂存

frontend/src/api/qcloud-cos.js

@@ -0,0 +1,13 @@
+import send_request from '../utils/send_request';
+
+/**
+ * 获取 COS 存储桶上传临时 Credential
+ * @returns
+ */
+export function getTmpCosCredential(params) {
+    return send_request({
+        url: '/shop/good/manage/imageUpload/getTmpCosCredential',
+        method: 'GET',
+        params: params,
+    });
+};