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Ionic framework 如何修复未执行的成功回拨_Ionic Framework_Ionic3 - Fatal编程技术网

Ionic framework 如何修复未执行的成功回拨

Ionic framework 如何修复未执行的成功回拨,ionic-framework,ionic3,Ionic Framework,Ionic3,我将支付网关集成到我的爱奥尼亚3项目中。当支付成功时,它具有successcallback函数。但在successcallback函数中,我只能对结果发出警报,其他功能都不起作用 RazorpayCheckout.open(options, this.successCallback, this.cancelCallback); //this works successCallback(payment_id) { alert(pament_id); } //this not

我将支付网关集成到我的爱奥尼亚3项目中。当支付成功时,它具有successcallback函数。但在successcallback函数中,我只能对结果发出警报,其他功能都不起作用

RazorpayCheckout.open(options, this.successCallback, this.cancelCallback);


//this works
successCallback(payment_id)
  {
    alert(pament_id);
  }

//this not working
successCallback(payment_id)
  {

     let loading = this.loadingController.create({
     spinner: 'circles'
  });

  loading.present();


  this.update[ayment(payment_id);

  loading.dismiss();

  }
使用,以便正确绑定
的上下文

successCallback = (payment_id) => {

  let loading = this.loadingController.create({
     spinner: 'circles'
  });

  loading.present();
  this.updatePayment(payment_id);
  loading.dismiss();
}

@阿南很乐意帮忙:)