数据访问对象(Data Access Object) 示例 ,学习php的朋友可以参考下。
代码如下:
<?php /** * 数据访问对象(Data Access Object) 示例 * * @create_date: 2010-01-04 */ class BaseDAO { var $_db = null; var $_table = null; function BaseDAO($config) { $this->_db = new MysqlDB(); // 这里的不能进行操作 } /** * 获取处理 * * @param array $filter // 过滤条件 * @param string $field // 获取字段 * @param int $page // 当前页 * @param int $limit // 页数 */ function fetch($filter = array(),$field = "*",$page = 1,$limit = null) { $this->_db->select($filed)->from($this->_table)->where($filter)->limit($page,$limit); return $this->_db->execute(); } function update(){} function delete(){} function insert(){} } class MemberDAO extends BaseDAO { var $_table = "member"; } $oMember = new MemberDAO(); $oMember->fetch(); /** * 常用到的地方: * MVC中model层基类 */ ?>

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