``` tsx
import { weixinPay } from '../../../plugins/pay/weixin';
private invokeWexinPay = () => {
  weixinPay({
    // 替换成商户app信息
    payOrderInfo: {
      prepayId: '',
      partnerId: '',
      nonceStr: '',
      timeStamp: '1479912016',
      packageValue: 'Sign=WXPay',
      sign: '',
    },
  }).then((result) => {
    alert(JSON.stringify(result));
  }).catch(err => {
    alert(JSON.stringify(err));
  });
}

```