使用 Laravel 中的 Ajax 将数据从视图传递到 controller

Question

I am trying to pass two variables to my controller using ajax. There are no errors but the data is null when I get it in the controller.

Web.php

Route::get('/donate/select-card', 'CardController@chooseCard')->name('select-card');

CardController.php

public function chooseCard()
{
  $from = Input::get("fromAmount");
  // $to = $request->input('toAmount');
  dd($from);
}

'null' is the output here

Script.js

fromAmount = $(this).find('p span:nth-child(1)').text().split("₹ ")[1];
toAmount = $(this).find('p span:nth-child(2)').text().split("₹ ")[1];
$.ajax({
  type:'GET',
     url: '/donate/select-card',
     data:  { fromAmount : fromAmount, toAmount : toAmount }
});

What I want is to have the fromAmount & toAmount in my controller.

Thanks in advance.

This is the ajax data from network:

Answer 1

public function chooseCard(Request $request)
{
  return $request->all();
}

** Inject the Request class

** See the response from dev tool.

Answer 2

That one was tricky:)

In your HTML you have a link that is wrapping this call to the ajax. This is messing with

<a href="/donate/select-card">
    <button type="button" onclick="test123()">click here for ajax Call</button>
</a>

So clicking on this will send you to "/donate/select-card" but won't be trough the ajax. For the same reason, once you try to use POST, you get:

The GET method is not supported for this route. Supported methods: POST

The href is with priority and it is GET while the route is expecting a POST.

Make sure you remove all links and default behaviours around the html you use to call the ajax call then use GET or POST as you wish.