phalcon 连接多个数据库 phalcon multi-database

db:

//This service returns a MySQL database
$di->set('dbMaster', function() {
     return new \Phalcon\Db\Adapter\Pdo\Mysql(array(
        "host" => "localhost",
        "username" => "",
        "password" => "",
        "dbname" => ""
    ));
});  

//This service returns a PostgreSQL database
$di->set('dbSlave', function() {
     return new \Phalcon\Db\Adapter\Pdo\Mysql(array(
        "host" => "localhost",
        "username" => "",
        "password" => "",
        "dbname" => ""
    ));
});

　　

public function initialize()
{
    $this->setConnectionService('dbMaster');
    //or
    $this->setConnectionService('dbSlave');
}

　　

这是给出来的案例，在实际代码环境，用的是默认生成的模板文件。

修改配置文件

'database' => array(
    'adapter'     => 'Mysql',
    'host'        => '127.0.0.1',
    'username'    => 'root',
    'password'    => 'toor',
    'dbname'      => 'db1',
    'charset'     => 'utf8',
),
'db2' => array(
    'adapter'     => 'Mysql',
    'host'        => '127.0.0.1',
    'username'    => 'root',
    'password'    => 'toor',
    'dbname'      => 'db2',
    'charset'     => 'utf8',
),

　　

$di->set('db', function () use ($config) {
    return new DbAdapter($config->database->toArray());
});
$di->set('db2', function () use ($config) {
    return new DbAdapter($config->db2->toArray());

　　

在model中使用时，

class user  extends Model
{
    public function initialize()
    {
        $this->setConnectionService('db2');
    }
}