Driver_Database_Driver_MySQL::connection

获取当前连接

mysql Driver_Database_Driver_MySQL::connection( )

返回值

mysql

File: ./drivers/database/mysql/mysql.class.php

public function connection()
{
    # 尝试连接数据库
    $this->connect();

    # 获取连接ID
    $connection_id = $this->connection_id();

    if ($connection_id && isset(Database_Driver_MySQL::$_connection_instance[$connection_id]))
    {
        return Database_Driver_MySQL::$_connection_instance[$connection_id];
    }
    else
    {
        throw new Exception('数据库连接异常');
    }
}