umihico/api.php

## api.php
<?php

use Illuminate\Http\Request;

/*
|--------------------------------------------------------------------------
| API Routes
|--------------------------------------------------------------------------
|
| Here is where you can register API routes for your application. These
| routes are loaded by the RouteServiceProvider within a group which
| is assigned the "api" middleware group. Enjoy building your API!
|
*/

Route::middleware('auth:api')->get('/user', function (Request $request) {
    return $request->user();
});

Route::post('/parse_csv',function (Request $request){
    $file_name = $request->file('formdata_key')->store('');
    $file_path=\Illuminate\Support\Facades\Storage::disk('local')->path($file_name);
    \Illuminate\Support\Facades\Log::info($file_name);
    $csv = array();
    if (($file = fopen($file_path, 'r')) !== false){
        \Illuminate\Support\Facades\Log::info('a');
        while (($line = fgetcsv($file, 1000)) !== false){
            $csv[] = $line;
        }
        fclose($file);
    }
    \Illuminate\Support\Facades\Log::info($csv);
});

## index.html
<html><head>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
</head><body>
    <input id="inputid" type="file"/>
    <button id="upload">Upload</button>
    <script>
        $('#upload').on('click', function() {
            var file_data = $('#inputid').prop('files')[0];
            var form_data = new FormData();
            form_data.append('formdata_key', file_data);
            $.ajax({
                url: '/api/parse_csv',
                dataType: 'text',
                cache: false,
                contentType: false,
                processData: false,
                data: form_data,
                type: 'post',
                success: function(php_script_response){
                    alert(php_script_response);
                }
            });
        });
    </script>
  </body></html>
	<?php

	use Illuminate\Http\Request;

	/*
	\|--------------------------------------------------------------------------
	\| API Routes
	\|--------------------------------------------------------------------------
	\|
	\| Here is where you can register API routes for your application. These
	\| routes are loaded by the RouteServiceProvider within a group which
	\| is assigned the "api" middleware group. Enjoy building your API!
	\|
	*/

	Route::middleware('auth:api')->get('/user', function (Request $request) {
	return $request->user();
	});

	Route::post('/parse_csv',function (Request $request){
	$file_name = $request->file('formdata_key')->store('');
	$file_path=\Illuminate\Support\Facades\Storage::disk('local')->path($file_name);
	\Illuminate\Support\Facades\Log::info($file_name);
	$csv = array();
	if (($file = fopen($file_path, 'r')) !== false){
	\Illuminate\Support\Facades\Log::info('a');
	while (($line = fgetcsv($file, 1000)) !== false){
	$csv[] = $line;
	}
	fclose($file);
	}
	\Illuminate\Support\Facades\Log::info($csv);
	});
	<html><head>
	<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"></script>
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
	</head><body>
	<input id="inputid" type="file"/>
	<button id="upload">Upload</button>
	<script>
	$('#upload').on('click', function() {
	var file_data = $('#inputid').prop('files')[0];
	var form_data = new FormData();
	form_data.append('formdata_key', file_data);
	$.ajax({
	url: '/api/parse_csv',
	dataType: 'text',
	cache: false,
	contentType: false,
	processData: false,
	data: form_data,
	type: 'post',
	success: function(php_script_response){
	alert(php_script_response);
	}
	});
	});
	</script>
	</body></html>