接口更改

routes/category.js

@@ -0,0 +1,37 @@
+const express = require('express');
+const { getDB } = require('../database');
+const router = express.Router();
+
+router.get('/', async (req, res) => {
+  try {
+    const db = await getDB();
+    const [firstCategory] = await db.query('SELECT * FROM category WHERE level = 1');
+
+    console.log(firstCategory);
+
+    for (const category of firstCategory) {
+      const [secondCategories] = await db.query('SELECT * FROM category WHERE parent_id = ?', [category.id]);
+      category.relative = secondCategories;
+    }
+
+
+    
+
+
+
+
+
+    
+    res.json({ success: true, data: firstCategory.map(category => ({
+      name: category.category_name,
+      relative: category.relative.map(secondCategory => ({
+        name: secondCategory.category_name,
+      }))
+    }))});
+  } catch (error) {
+    console.error('Error fetching categories:', error);
+    res.status(500).json({ success: false, error: 'Internal server error' });
+  }
+});
+
+module.exports = router;