{ return $this->_table; } } class Users extends Table { // 针对于Users表的操作 function getById($id) { $sql = 'SELECT * FROM ' . $this->_table . ' WHERE id=' . $id; $result = mysql_query($sql); $row = mysql_fetch_assoc($result); return $row; } } $bind = array('username' => 'tomrose', 'password' => 'roseben', 'age' => 29, 'sex' => 1); //创建Mysql对象 $db = new Mysql('localhost', 'root', 'root', 'test'); //指定数据表所依附的数据库对象 Table::setDefaultAdapter($db); $users = new Users(); //$users->insert ( $bind ); print_r($users->getById(153)); class Admins extends Table { } class Dept extends Table { } $admins = new Admins(); $dept = new Dept();