瞪眼法测试通过

routes/suppliers.js

@@ -12,11 +12,15 @@ function pagination(query) {
 async function list(req, res) {
   try {
     const { page, pageSize, offset } = pagination(req.query)
-    const { name, type, status } = req.query
+    const { id, name, type, status } = req.query
 
     let where = 'WHERE 1=1'
     const params = []
 
+    if (id) {
+      where += ' AND id = ?'
+      params.push(Number(id))
+    }
     if (name) {
       where += ' AND name LIKE ?'
       params.push(`%${name}%`)
@@ -140,6 +144,9 @@ async function remove(req, res) {
     res.json({ code: 0, message: 'ok' })
   } catch (e) {
     console.error('[suppliers delete] error:', e)
+    if (e.code === 'ER_ROW_IS_REFERENCED_2') {
+      return res.status(400).json({ code: 400, message: '该供应商被合同引用，无法删除' })
+    }
     res.status(500).json({ code: 500, message: e.message })
   }
 }