2025-09-18

商城接口

routes/mall.js

@@ -0,0 +1,73 @@
+const express = require('express');
+const router = express.Router();
+const {getDB} = require('../database');
+
+/**
+ * @swagger
+ * tags:
+ *   name: Mall
+ *   description: 商城模块
+ */
+
+router.get('/', async (req, res) => {
+    try {
+        const conn = await getDB()
+
+        const {
+            page = '1',
+            size = '10',
+            category = '',
+            keyword = '',
+        } = req.query;
+
+        const pageNum = Math.max(1, parseInt(page) || 1);
+        const pageSize = Math.max(1, Math.min(100, parseInt(size) || 10)); // 限制最大100条
+        const offset = Math.max(0, (pageNum - 1) * pageSize);
+
+        console.log("分页参数:", {pageNum, pageSize, offset, category, keyword})
+
+        let whereClause = " and status = 'active'";
+        if (category) {
+            whereClause += ` and category = '${category}'`;
+        }
+        if (keyword) {
+            whereClause += ` and name like '%${keyword}%'`;
+        }
+
+        // 获取商品总数
+        const [countResult] = await conn.execute(`
+            select count(1) as total
+            from products
+            where '1 = 1' ${whereClause}
+        `)
+        const total = countResult[0].total;
+
+        // 获取商品列表
+        const queryMallListSql = `
+            select *
+            from products
+            where '1 = 1' ${whereClause}
+            order by created_at desc
+            limit ${pageSize} offset ${offset}
+        `
+        const [products] = await conn.execute(queryMallListSql)
+
+        res.json({
+            success: true,
+            data: {
+                products,
+                pagination: {
+                    page: pageNum,
+                    size: pageSize,
+                    total,
+                    pages: Math.ceil(total / pageSize)
+                }
+            }
+        })
+    } catch (error) {
+        console.error('获取商品列表错误:', error);
+        res.status(500).json({success: false, message: '获取商品列表失败'});
+    }
+})
+
+module.exports = router