How to return back if request is get instead of post?

I have a route on which i submit a form. This route is Post type. when i directly put that url in address bar of browser it give me this error.

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

what i want is it should return back instead of giving error.

Route

Route::post('/warehouse-locations-import', 'WarehouseLocationController@warehouseLocationsImport')->name('warehouselocations.import');

Controller

   //this function will extract all locations data from file
    public function extractWarehouseLocations($locations)
    {

        if ($locations['E'] && $locations['L'] && $locations['B'] && $locations['K']) {
            //making array of location data
            $locationArray = array('name' => $locations['B'], 'barcode' => $locations['C'], 'group' => $locations['D'], 'capacity' => $locations['E'], 'row' => $locations['F'], 'bay' => $locations['G'], 'level' => $locations['H'], 'depth' => $locations['I'], 'product_type' => $locations['J'], 'pick_efficiency' => $locations['K']);
            //adding index in array according to if condition
            $locations['L'] ? $locationArray['status'] = 1 : $locationArray['status'] = 0;


        }
    }
    ```

via Chebli Mohamed