代码如下，这里我打算使用Pdo_mysql:use\Zend\Db\Adapter\Adapter;use\Zend\Db\Sql\Sql;use\Zend\Db\Sql\Expression;$params=array('driver'=>"Pdo_mysql",'host'=>&$this->Registry->config['sql']['host'],'username'=>&$this->Registry->config['sql']['user'],'password'=>&$this->Registry->config['sql']['passwd'],'dbname'=