不要直接去調(diào)用這個(gè)方法锈锤，通過(guò)demo的方式去調(diào)用

 paymentWxMpPay({ orderId: res['data'].data }).then(value => {
              if (value['data'].status == 200) {
                let params = {
                  "appId": value['data'].data.appId,     //公眾號(hào)名稱银酬，由商戶傳入     
                  "timeStamp": value['data'].data.timeStamp,         //時(shí)間戳，自1970年以來(lái)的秒數(shù)     
                  "nonceStr": value['data'].data.nonceStr, //隨機(jī)串     
                  "package": value['data'].data.package,
                  "signType": value['data'].data.signType,         //微信簽名方式：     
                  "paySign": value['data'].data.paySign //微信簽名 
                }
                // 支持回調(diào)必要方法start
                if (typeof WeixinJSBridge == "undefined") {
                  if (document.addEventListener) {
                    document.addEventListener('WeixinJSBridgeReady', function () { this.onBridgeReady(params, res['data'].data); }, false);
                  } else if (document['attachEvent']) {
                    document['attachEvent']('WeixinJSBridgeReady', function () { this.onBridgeReady(params, res['data'].data); });
                    document['attachEvent']('onWeixinJSBridgeReady', function () { this.onBridgeReady(params, res['data'].data); });
                  }
                } else {
                  this.onBridgeReady(params, res['data'].data);
                }
              } else {
                Taro.showToast({
                  title: value['data'].message,
                  icon: 'none',
                  duration: 2000
                })
              }
            })

//微信公眾號(hào)支付
  onBridgeReady(Data,id) {
    const _this = this
    WeixinJSBridge.invoke(
      'getBrandWCPayRequest',
      Data,
      function (res) {
        // Taro.showToast({title:JSON.stringify(res),icon:'none',duration:50000})
        if (res.err_msg == "get_brand_wcpay_request:ok") {
          _this.payResult({ payLogId: id })
        } else {
          Taro.showToast({title:'支付失敗',icon:'none',duration:50000})
          // window.location.href = '&payStatus=cancel';
        }
      }
    );
  }