大类-----二类----小类
--
-- 表的结构 `cd_sorts`
--
CREATE TABLE `cd_sorts` (
`sortid` smallint(6) unsigned NOT NULL auto_increment,
`sortname` varchar(200) NOT NULL default '',
`supsortid` smallint(6) NOT NULL default '0',
`remarks` text,
`class` enum('group','sort','sub') NOT NULL default 'sort',
`largesortid` smallint(6) unsigned default '0',
`img` varchar(50) NOT NULL default '',
PRIMARY KEY (`sortid`),
KEY `sortname` (`sortname`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=64 ;
--
-- 导出表中的数据 `cd_sorts`
--
INSERT INTO `cd_sorts` VALUES (57, '???', 54, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (1, '01_ELECTRONICS', 0, '', 'group', 1, '01.gif');
INSERT INTO `cd_sorts` VALUES (34, '02_LIGHTING', 0, '', 'group', 0, '02.gif');
INSERT INTO `cd_sorts` VALUES (3, 'TV SET', 1, '?????????????????????????????????????????????????', 'sort', 1, '');
INSERT INTO `cd_sorts` VALUES (27, 'IBM', 3, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (48, 'Washing Machine', 1, '', 'sort', 0, '');
INSERT INTO `cd_sorts` VALUES (28, 'HP', 3, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (59, '???????', 54, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (58, '????', 54, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (31, 'VIAO', 3, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (49, '????????', 48, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (54, 'LIGHTING', 1, '', 'sort', 0, '');
INSERT INTO `cd_sorts` VALUES (38, '03_FASHION', 0, '', 'group', 0, '03.gif');
INSERT INTO `cd_sorts` VALUES (63, '????????', 48, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (40, '04_FURNITURE', 0, '', 'group', 0, '04.gif');
INSERT INTO `cd_sorts` VALUES (41, '05_BARBECUE TOOLS', 0, '', 'group', 0, '05.gif');
INSERT INTO `cd_sorts` VALUES (44, 'DELL', 3, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (45, '???', 3, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (46, '???', 3, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (47, 'COMPAQ', 3, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (50, '??????', 48, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (51, 'MD', 48, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (52, 'MP3', 48, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (60, '?????', 54, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (61, '????', 54, '', 'sub', 0, '');
INSERT INTO `cd_sorts` VALUES (62, '???????', 54, '', 'sub', 0, '')
这上面是我的一个表结构,关于商城的产品分类的,分三级分类
比如,大类-----二类----小类
我现在有一个问题,我想实现一个效果,就是我把鼠标放在产品大类的时候,弹出一个该大类中的所有二类的菜单,当我把鼠标放在其中一个二类的名称上的时候弹出这个二类下面的所有子类(即小类),然后点
某一小类,就可以看到该小类的产品
请问这样的效果该怎么做