Das ZendFramework-Framework implementiert Methoden zum Verbinden von zwei oder mehr Datenbanken

<db>
   <adapter>PDO_MSSQL</adapter>
 <config>
     <host>localhost</host>
     <port>1433</port>
     <username>sa</username>
     <password>123456</password>
     <dbname>edudb</dbname>
     <pdoType>sqlsrv</pdoType>
   </config>
 </db>
 <!-- 测试多数据库 -->
 <db2>
   <adapter>PDO_MSSQL</adapter>
     <config>
     <host>localhost</host>
     <port>1433</port>
     <username>sa</username>
     <password>123456</password>
     <dbname>test</dbname>
     <pdoType>sqlsrv</pdoType>
   </config>
 </db2>

//配置数据库连接
$db_config = $web_config->db->config->toArray(); 
//var_dump($db_config);
$db = Zend_Db::factory($web_config->db->adapter, $db_config); 
//var_dump($db);
//exit;
//$db->query('set NAMES utf8');
//$db->getProfiler()->setEnabled(false); 
Zend_Db_Table::setDefaultAdapter($db);

function init() {
    $web_config = $this->getCfg();
    $this->db2_config = $web_config->db2->config->toArray(); 
    //var_dump($this->db_config);
    $this->db = Zend_Db::factory($web_config->db2->adapter, $this->db2_config); 
    Zend_Db_Table::setDefaultAdapter($this->db); 
}
public function returnDb(){
    return $this->db;
}

$this->db