:$database;if(!isset($this->connections[$name])){$this->connections[$name]=$this->configure(//创建数据库实例$this->makeConnection($database),$type);if($this->app->bound('events')){$this->app['events']->dispatch(newConnectionEstablished($this->connections[$name]));}}return$this->co...
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...
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"); } }...
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 ...
看到factory 了吧,能起这个名字的基本上多少都会和工厂沾边,不过在这里,它指向的是一个明确的 laravel/framework/src/Illuminate/Database/Connectors/ConnectionFactory.php 对象。通过 ConnectionFactory 里面的 make() 方法,根据情况调用不同的连接创建方法,一路向下,我们进入到 createSingleConnection() 方法中,继续前...
您是否尝试过使用新连接(不编辑现有连接) $newName = uniqid('db'); //example of unique nameConfig::set("database.connections.".$newName, [ "host" => "localhast", "database" => "test", "username" => "testUser", "password" => "testPasswort"]);try { DB::connection($newName)->...
return new DatabaseManager($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,...
在Laravel中使用数据库事务进行多连接可以通过以下步骤实现: 1. 首先,确保你已经在Laravel项目中配置了多个数据库连接。在项目的配置文件`config/database.php`中,你可...
SQL语句执行阶段,Illuminate\Database\Connection C.EloquentORM 1.两个阶段 Eloquent ORM查询构造器的生成,Illuminate\Database\Eloquent\Model::newQuery() 操作命令的执行,Illuminate\Database\Eloquent\Builder 2.ORM映射最大的好处是将数据表的结构映射成一个类对象,可以将数据以对象的形式封装使用,程序的编写将变得...
After creating a new SQLite database using a command such astouch database/database.sqlite, you can easily configure your environment variables to point to this newly created database by using the database's absolute path: 1DB_CONNECTION=sqlite ...