:$database;if(!isset($this->connections[$name])){$this->connections[$name]=$this->configure(//创建数据库实例$this->makeConnection($database),$type);if($this->app->bound('events')){$this->app['events']->dispatch(new
php namespace Laravel\Database; use PDO, PDOStatement, Laravel\Config, Laravel\Event; class Connection { /** * The raw PDO connection instance. * 原始 PDO 连接实例。 * @var PDO */ public $pdo; /** * The connection configuration array. * 连接配置数组。 * @var array */ public $confi...
To connect your application with MySQL through Laradock, we have to set theDB_HOST=mysqlinstead ofDB_HOST=127.0.0.1 DB_CONNECTION=mysqlDB_HOST=mysqlDB_PORT=3306DB_DATABASE=laraqueueDB_USERNAME=rootDB_PASSWORD=root But sometimes not only this works for the MySQL connection. Go to the laradock ...
use Illuminate\Database\Eloquent\Model; use Illuminate\Support\Facades\DB; class Unit extends Model { public static function getUnit() { return DB::connection('mysql_dearedu_my')->select("select id from my_config_unit limit 5"); } }...
1DB_CONNECTION=sqlite 2DB_DATABASE=/absolute/path/to/database.sqliteBy default, foreign key constraints are enabled for SQLite connections. If you would like to disable them, you should set the DB_FOREIGN_KEYS environment variable to false:...
当connection对象构建初始化完成后,我们就可以利用DB来进行数据库的CRUD(Create、Retrieve、Update、Delete)操作。本篇文章,我们将会讲述laravel如何与pdo交互,实现基本数据库服务的原理。 run laravel中任何数据库的操作都要经过run这个函数,这个函数作用在于重新连接数据库、记录数据库日志、数据库异常处理: ...
Before running migrations, ensure yourdatabase connectionis set up correctly. Open the.envfile in your application’s root directory for editing and replace the placeholder values with your database credentials: DB_CONNECTION=mysql DB_HOST=127.0.0.1 ...
return new DatabaseManager($app, $app['db.factory']); }); $this->app->bind('db.connection', function ($app) { return $app['db']->connection(); }); } db.factory用来创建数据库连接实例,它将被注入到DatabaseManager中,在讲服务容器绑定时就说过了依赖注入的其中一个作用是延迟初始化对象,...
You may wish to do this after dumping the database connection you typically use during local development:1php artisan schema:dump 2php artisan schema:dump --database=testing --pruneYou should commit your database schema file to source control so that other new developers on your team may ...
接着在配置目录数据库配置项 config/database.php 内添加这些连接: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 'mysql'=>['driver'=>env('DB_CONNECTION'),'host'=>env('DB_HOST'),'port'=>env('DB_PORT'),'database'=>env('DB_DATABASE'),'username'=>env('DB_USERNAME'),'password'...