如何在laravel中连接我的sql？

Question

i have already done the db configuration for my laravel project but it gives me an error saying that SQLSTATE[HY000] [1045] Access denied for user 'homestead'@'localhost' (using password: YES) (SQL: select * from users where user_name = admin limit 1)

but i have already dfined my dbname and password what is showing above is incorrect. here is my login controller

<?php 
namespace App\Http\Controllers;
use Illuminate\Support\Facades\Input;
use App\Login;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\Redirect;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Schema;
class LoginController extends Controller {
    public function login(){
        $uname = Input::get('username');
        $pwd = Input::get('password');
        if (Auth::attempt(array('user_name' => $uname, 'password' => $pwd))){
            return "success";
        }
        else {
            return "Wrong Credentials";
        }    
     }
}

here is my .env

APP_NAME=Laravel
APP_ENV=local
APP_KEY=base64:Zm3uZ82dtjozo68rs2cGAlXXmzj9EuueqCcKsC73VTo=
APP_DEBUG=true
APP_URL=http://localhost

LOG_CHANNEL=stack

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=test1
DB_USERNAME=root
DB_PASSWORD=''

BROADCAST_DRIVER=log
CACHE_DRIVER=file
SESSION_DRIVER=file
SESSION_LIFETIME=120
QUEUE_DRIVER=sync

REDIS_HOST=127.0.0.1
REDIS_PASSWORD=null
REDIS_PORT=6379

MAIL_DRIVER=smtp
MAIL_HOST=smtp.mailtrap.io
MAIL_PORT=2525
MAIL_USERNAME=null
MAIL_PASSWORD=null
MAIL_ENCRYPTION=null

PUSHER_APP_ID=
PUSHER_APP_KEY=
PUSHER_APP_SECRET=
PUSHER_APP_CLUSTER=mt1

MIX_PUSHER_APP_KEY="${PUSHER_APP_KEY}"
MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"

my config/database.php is as follows

<?php

return [

    /*
    |--------------------------------------------------------------------------
    | Default Database Connection Name
    |--------------------------------------------------------------------------
    |
    | Here you may specify which of the database connections below you wish
    | to use as your default connection for all database work. Of course
    | you may use many connections at once using the Database library.
    |
    */

    'default' => env('DB_CONNECTION', 'mysql'),

    /*
    |--------------------------------------------------------------------------
    | Database Connections
    |--------------------------------------------------------------------------
    |
    | Here are each of the database connections setup for your application.
    | Of course, examples of configuring each database platform that is
    | supported by Laravel is shown below to make development simple.
    |
    |
    | All database work in Laravel is done through the PHP PDO facilities
    | so make sure you have the driver for your particular database of
    | choice installed on your machine before you begin development.
    |
    */

    'connections' => [

//        'sqlite' => [
//            'driver' => 'sqlite',
//            'database' => env('DB_DATABASE', database_path('database.sqlite')),
//            'prefix' => '',
//        ],

        'mysql' => [
            'driver' => 'mysql',
            'host' => env('DB_HOST', '127.0.0.1'),
            'port' => env('DB_PORT', '3306'),
            'database' => env('DB_DATABASE', 'forge'),
            'username' => env('DB_USERNAME', 'forge'),
            'password' => env('DB_PASSWORD', ''),
            'unix_socket' => env('DB_SOCKET', ''),
            'charset' => 'utf8mb4',
            'collation' => 'utf8mb4_unicode_ci',
            'prefix' => '',
            'strict' => true,
            'engine' => null,
        ],

//        'pgsql' => [
//            'driver' => 'pgsql',
//            'host' => env('DB_HOST', '127.0.0.1'),
//            'port' => env('DB_PORT', '5432'),
//            'database' => env('DB_DATABASE', 'forge'),
//            'username' => env('DB_USERNAME', 'forge'),
//            'password' => env('DB_PASSWORD', ''),
//            'charset' => 'utf8',
//            'prefix' => '',
//            'schema' => 'public',
//            'sslmode' => 'prefer',
//        ],

//        'sqlsrv' => [
//            'driver' => 'sqlsrv',
//            'host' => env('DB_HOST', 'localhost'),
//            'port' => env('DB_PORT', '1433'),
//            'database' => env('DB_DATABASE', 'forge'),
//            'username' => env('DB_USERNAME', 'forge'),
//            'password' => env('DB_PASSWORD', ''),
//            'charset' => 'utf8',
//            'prefix' => '',
//        ],

    ],

    /*
    |--------------------------------------------------------------------------
    | Migration Repository Table
    |--------------------------------------------------------------------------
    |
    | This table keeps track of all the migrations that have already run for
    | your application. Using this information, we can determine which of
    | the migrations on disk haven't actually been run in the database.
    |
    */

    'migrations' => 'migrations',

    /*
    |--------------------------------------------------------------------------
    | Redis Databases
    |--------------------------------------------------------------------------
    |
    | Redis is an open source, fast, and advanced key-value store that also
    | provides a richer set of commands than a typical key-value systems
    | such as APC or Memcached. Laravel makes it easy to dig right in.
    |
    */

    'redis' => [

        'client' => 'predis',

        'default' => [
            'host' => env('REDIS_HOST', '127.0.0.1'),
            'password' => env('REDIS_PASSWORD', null),
            'port' => env('REDIS_PORT', 6379),
            'database' => 0,
        ],

    ],

];

Answer 1

As your .env looks fine I assume you're using php artisan serve to place your website online for localhost testing.

If you made these changes whilst serve was running it will not register live side. Simply stop artisan serve running and then run it again and the changes will take effect.