Cách upload file data excel vào database

[administrator]

Web.php

Route::group(['prefix' => 'import'], function() {
        Route::post('get-from-excel', 'ImportController@getDataFromExcel')->name('import.getFromExcel');
        Route::get('upload', 'ImportController@getUploadForm')->name('upload');
        Route::post('insert, 'ImportController@insertIntoDatabase')->name('import.insert');
    });

importController.php