/**
* 构造函数
* @param type $tableName
* @param type $full 如果为真将为全表名
*/
public function __construct($table = null, $full = null, $driver = null)
{
$this->tableName = $this->get_table($table, $full);
//初始化默认表
$this->db = dbFactory::factory($driver, $this->tableName);
//获得数据库引擎
}
