# 連接數據庫 一、全局配置定義 ```php return array( 'DB_TYPE' => 'mysql', 'DB_HOST' => '127.0.0.1', 'DB_NAME' => 'thinkcmf', 'DB_USER' => 'root', 'DB_PWD' => 'root', 'DB_PORT' => '3306', 'DB_PREFIX' => 'cmf_', //密鑰 "AUTHCODE" => '2oF6v4m67BdQnfwMSf', //cookies "COOKIE_PREFIX" => '03a9uH_', ); ``` 如果我們已經在配置文件中配置了額外的數據庫連接信息，例如： ```php return array( //數據庫1 'DB_TYPE' => 'mysql', 'DB_HOST' => '127.0.0.1', 'DB_NAME' => 'thinkcmf', 'DB_USER' => 'root', 'DB_PWD' => 'root', 'DB_PORT' => '3306', 'DB_PREFIX' => 'cmf_', //密鑰 "AUTHCODE" => '2oF6v4m67BdQnfwMSf', //cookies "COOKIE_PREFIX" => '03a9uH_', //數據庫2 'DB_CONFIG2' => array( 'db_type' => 'mysql', 'db_user' => 'root', 'db_pwd' => 'root', 'db_host' => '127.0.0.1', 'db_port' => '3306', 'db_name' => 'repast' ), ); ``` 二、實例化定義 ```php $User = M('User','cmf_','DB_CONFIG2'); ``` 作者：小夏