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wechatpay-nextjs-v3

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## 下载账单 ```bash import WxPay from 'wechatpay-node-v3'; import fs from 'fs'; const pay = new WxPay({ appid: '直连商户申请的公众号或移动应用appid', mchid: '商户号', publicKey: fs.readFileSync('./apiclient_cert.pem'), // 公钥 privateKey: fs.readFileSync('./apiclient_key.pem'), // 秘钥 }); ``` ## 使用 ```bash const result = await pay.query({out_trade_no: '1609914303237'}); # 或者 const result = await pay.query({transaction_id: ''}); console.log(result); { status: 200, appid: 'appid', attach: '', mchid: '商户号', out_trade_no: '1609899981750', payer: {}, promotion_detail: [], trade_state: 'CLOSED', trade_state_desc: '订单已关闭' } ```