feat: wx pay

package.json

@@ -48,6 +48,7 @@
     "sass": "^1.58.3",
     "sharp": "^0.31.3",
     "tunnel": "^0.0.6",
+    "wxpay-v3": "^3.0.2",
     "zustand": "^4.3.5"
   },
   "devDependencies": {

src/pages/api/user/checkPayResult.ts

 import type { NextApiRequest, NextApiResponse } from 'next';
 import { jsonRes } from '@/service/response';
-import axios from 'axios';
 import { connectToDatabase, User, Pay } from '@/service/mongo';
 import { authToken } from '@/service/utils/tools';
 import { PaySchema } from '@/types/mongoSchema';
 import dayjs from 'dayjs';
+import { getPayResult } from '@/service/utils/wxpay';
 
+/* 校验支付结果 */
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
   try {
     const { authorization } = req.headers;
@@ -25,18 +26,16 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
       throw new Error('订单已结算');
     }
 
-    const { data } = await axios.get(
-      `https://sif268.laf.dev/wechat-order-query?order_number=${payOrder.orderId}&api_key=${process.env.WXPAYCODE}`
-    );
+    const payRes = await getPayResult(payOrder.orderId);
 
     // 校验下是否超过一天
     const orderTime = dayjs(payOrder.createTime);
     const diffInHours = dayjs().diff(orderTime, 'hours');
 
-    if (data.trade_state === 'SUCCESS') {
+    if (payRes.trade_state === 'SUCCESS') {
       // 订单已支付
       try {
-        // 更新订单状态
+        // 更新订单状态. 如果没有合适的订单，说明订单重复了
         const updateRes = await Pay.updateOne(
           {
             _id: payId,
@@ -61,7 +60,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
         });
         console.log(error);
       }
-    } else if (data.trade_state === 'CLOSED' || diffInHours > 24) {
+    } else if (payRes.trade_state === 'CLOSED' || diffInHours > 24) {
       // 订单已关闭
       await Pay.findByIdAndUpdate(payId, {
         status: 'CLOSED'
@@ -70,7 +69,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
         data: '订单已过期'
       });
     } else {
-      throw new Error(data.trade_state_desc);
+      throw new Error(payRes.trade_state_desc);
     }
   } catch (err) {
     // console.log(err);

src/pages/api/user/getPayCode.ts

-// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
 import type { NextApiRequest, NextApiResponse } from 'next';
 import { jsonRes } from '@/service/response';
-import axios from 'axios';
 import { authToken } from '@/service/utils/tools';
 import { customAlphabet } from 'nanoid';
 import { connectToDatabase, Pay } from '@/service/mongo';
 import { PRICE_SCALE } from '@/constants/common';
+import { nativePay } from '@/service/utils/wxpay';
 
 const nanoid = customAlphabet('abcdefghijklmnopqrstuvwxyz1234567890', 20);
 
+/* 获取支付二维码 */
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
   try {
     const { authorization } = req.headers;
@@ -23,15 +23,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     const id = nanoid();
     await connectToDatabase();
 
-    const response = await axios({
-      url: 'https://sif268.laf.dev/wechat-pay',
-      method: 'POST',
-      data: {
-        trade_order_number: id,
-        amount: amount * 100,
-        api_key: process.env.WXPAYCODE
-      }
-    });
+    const code_url = await nativePay(amount * 100, id);
 
     // 充值记录 + 1
     const payOrder = await Pay.create({
@@ -43,11 +35,11 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     jsonRes(res, {
       data: {
         payId: payOrder._id,
-        codeUrl: response.data?.code_url
+        codeUrl: code_url
       }
     });
   } catch (err) {
-    console.log(err);
+    console.log(err, '==');
     jsonRes(res, {
       code: 500,
       error: err

src/pages/api/user/payRes.ts

+import type { NextApiRequest, NextApiResponse } from 'next';
+import { jsonRes } from '@/service/response';
+import axios from 'axios';
+import { connectToDatabase, User, Pay } from '@/service/mongo';
+import { authToken } from '@/service/utils/tools';
+import { PaySchema } from '@/types/mongoSchema';
+import dayjs from 'dayjs';
+
+export default async function handler(req: NextApiRequest, res: NextApiResponse) {
+  try {
+    res.send('');
+  } catch (err) {
+    jsonRes(res, {
+      code: 500,
+      error: err
+    });
+  }
+}

src/service/utils/wxpay.ts

+// @ts-ignore
+import Payment from 'wxpay-v3';
+
+export const getPayment = () => {
+  return new Payment({
+    appid: process.env.WX_APPID,
+    mchid: process.env.WX_MCHID,
+    private_key: process.env.WX_PRIVATE_KEY?.replace(/\\n/g, '\n'),
+    serial_no: process.env.WX_SERIAL_NO,
+    apiv3_private_key: process.env.WX_V3_CODE,
+    notify_url: process.env.WX_NOTIFY_URL
+  });
+};
+
+export const nativePay = (amount: number, payId: string): Promise<string> =>
+  getPayment()
+    .native({
+      description: 'Fast GPT 余额充值',
+      out_trade_no: payId,
+      amount: {
+        total: amount
+      }
+    })
+    .then((res: any) => JSON.parse(res.data).code_url);
+
+export const getPayResult = (payId: string) =>
+  getPayment()
+    .getTransactionsByOutTradeNo({
+      out_trade_no: payId
+    })
+    .then((res: any) => JSON.parse(res.data));