refactor: improve code formatting and structure in product index view

- Enhanced readability by adjusting indentation and spacing in the template.
- Consolidated repeated code blocks for better maintainability.
- Added functionality for changing product status (上架/下架) with confirmation prompts.
- Updated the handleDelete function to maintain consistent formatting.
- Ensured all API calls and data handling are properly formatted for clarity.

src/api/service/product.js

@@ -42,3 +42,16 @@ export function delProduct(id) {
     method: 'delete'
   })
 }
+
+// 上架/下架商品
+export function changeProductStatus(id, status) {
+  const data = {
+    id,
+    status
+  }
+  return request({
+    url: '/service/product/status',
+    method: 'put',
+    data: data
+  })
+}