我正在尝试创建一个包含多个数据库的ZF2应用程序。基于用户,应该动态设置数据库。
现在我有以下内容:
database.local.php
return array(
'db' => array(
'adapters' => array (
'master_db' => array(
'driver' => 'Pdo',
'dsn' => 'mysql:dbname=master_db;host=localhost',
'driver_options' => array(
PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES \'UTF8\''
),
'username' => 'USERNAME',
'password' => 'PASSWORD'
),
'tentant_db' => array(
'driver' => 'Pdo',
'dsn' => 'mysql:dbname=tenant_db;host=localhost',
'driver_options' => array(
PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES \'UTF8\''
),
'username' => 'USERNAME',
'password' => 'PASSWORD'
),
)
),
'service_manager' => array(
'abstract_factories' => array(
'Zend\Db\Adapter\AdapterAbstractServiceFactory',
)
),
);
出于测试目的,我创建了一个表单,其中包含一个获取某些数据并将其放入选择框的方法。获取数据库连接的代码显示在下面的代码中。
MyController.php(在某些模块中)
//... some code
public function someAction(){
$dbAdapter = $this->getServiceLocator()->get('tentant_db');
$form = new AddEolConnectorForm($dbAdapter);
$viewModel = new ViewModel(array(
'form' => $form
));
return $viewModel;
}
//... some more code
我的问题是,如何在控制器(或模块)中动态设置tentant_db适配器的dbname?
谢谢你的帮助。
答案 0 :(得分:0)
配置合并事件是我相信的更新事件之一。当zend是mergin时,它会触发配置数组,这对于你所面临的问题是完美的,因为你可以动态地覆盖一些数组键。
public function onMergeConfig(ModuleEvent $e)
{
$configListener = $e->getConfigListener();
$config = $configListener->getMergedConfig(false);
// I'm actually not sure if you have the route match here otherwise you may have to
// use some other method to retrieve the url.
$match = $e->getRouteMatch();
switch ($match) {
case 'first-dependency':
$config['db']['adapter'] => array(
'driver' => 'Pdo',
'dsn' => 'mysql:dbname=master_db;host=localhost',
'driver_options' => array(
PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES \'UTF8\''
),
'username' => 'USERNAME',
'password' => 'PASSWORD',
),
break;
case 'second-dependency':
$config['db']['adapter'] => array(
'driver' => 'Pdo',
'dsn' => 'mysql:dbname=tenant_db;host=localhost',
'driver_options' => array(
PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES \'UTF8\''
),
'username' => 'USERNAME',
'password' => 'PASSWORD',
),
break;
// Pass the changed configuration back to the listener:
$configListener->setMergedConfig($config);
}
答案 1 :(得分:0)
根据上述答案,我创建了以下内容:
<强> Module.php 强>
class Module implements AutoloaderProviderInterface
{
public function init(ModuleManager $moduleManager)
{
$events = $moduleManager->getEventManager();
// Registering a listener at default priority, 1, which will trigger
// after the ConfigListener merges config.
$events->attach(ModuleEvent::EVENT_MERGE_CONFIG, array($this, 'onMergeConfig'));
}
public function onMergeConfig(ModuleEvent $e)
{
$db = $this->getTentantDb();
$configListener = $e->getConfigListener();
$config = $configListener->getMergedConfig(false);
$config['db']['adapters']['tenant_db']['dsn'] = 'mysql:dbname='. $db .';host=localhost';
$configListener->setMergedConfig($config);
}
// Some more code
public function getTenantDb(){
$tenant_db = 'tenant_12345'
return $tenant_db;
}
}
我不知道它是否是最佳解决方案,但上述代码正常运行。我认为接下来的步骤应该是将代码放在一个通用模块中,以便我可以从我的所有模块中访问它。