API 报错

controllers/payment.js

@@ -361,8 +361,84 @@ async function refundPayment(ctx) {
   }
 }
 
+/**
+ * 查询支付结果
+ * 调用微信支付订单查询API，确认支付状态
+ */
+async function queryPayment(ctx) {
+  const { orderId } = ctx.params
+
+  if (!orderId) {
+    ctx.body = { code: 400, message: '订单ID不能为空' }
+    return
+  }
+
+  // 查询本地订单
+  const orders = await query('SELECT * FROM orders WHERE id = ?', [orderId])
+  if (orders.length === 0) {
+    ctx.body = { code: 404, message: '订单不存在' }
+    return
+  }
+
+  const order = orders[0]
+
+  // 如果本地已标记为已支付，直接返回
+  if (order.status === 'paid') {
+    ctx.body = { code: 200, data: { orderId: order.id, status: 'paid', transactionId: order.transaction_id } }
+    return
+  }
+
+  // 检查支付配置
+  if (!APPID || !MCH_ID || !API_KEY) {
+    ctx.body = { code: 200, data: { orderId: order.id, status: order.status } }
+    return
+  }
+
+  // 调用微信订单查询API
+  const params = {
+    appid: APPID,
+    mch_id: MCH_ID,
+    out_trade_no: orderId,
+    nonce_str: generateNonceStr()
+  }
+  params.sign = generateSign(params)
+
+  try {
+    const xmlData = buildXML(params)
+    const response = await fetch(ORDER_QUERY_URL, {
+      method: 'POST',
+      body: xmlData,
+      headers: { 'Content-Type': 'application/xml' }
+    })
+
+    const resultXml = await response.text()
+    const result = await parseXML(resultXml)
+
+    if (result.return_code !== 'SUCCESS') {
+      ctx.body = { code: 500, message: '查询支付状态通信失败' }
+      return
+    }
+
+    if (result.trade_state === 'SUCCESS') {
+      // 微信确认已支付，更新本地订单状态
+      const transactionId = result.transaction_id || null
+      await query(
+        'UPDATE orders SET status = ?, transaction_id = ? WHERE id = ? AND status != ?',
+        ['paid', transactionId, orderId, 'paid']
+      )
+      ctx.body = { code: 200, data: { orderId: order.id, status: 'paid', transactionId } }
+    } else {
+      ctx.body = { code: 200, data: { orderId: order.id, status: order.status, tradeState: result.trade_state } }
+    }
+  } catch (error) {
+    console.error('查询支付状态失败:', error)
+    ctx.body = { code: 200, data: { orderId: order.id, status: order.status } }
+  }
+}
+
 module.exports = {
   createPayment,
   paymentNotify,
-  refundPayment
+  refundPayment,
+  queryPayment
 }