~~~
> 数据表结构
DROP TABLE IF EXISTS `shop_category`;
CREATE TABLE IF NOT EXISTS `shop_category`(
`cateid` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
`title` VARCHAR(32) NOT NULL DEFAULT '',
`parentid` BIGINT UNSIGNED NOT NULL DEFAULT '0',
`createtime` INT UNSIGNED NOT NULL DEFAULT '0',
PRIMARY KEY(`cateid`),
KEY shop_category_parentid(`parentid`)
)ENGINE=InnoDB DEFAULT CHARSET=utf8;
~~~
~~~
> 按照parentid排列数组
public function getTree($cates, $pid = 0)
{
$tree = [];
foreach($cates as $cate) {
if ($cate['parentid'] == $pid) {
$tree[] = $cate;
$tree = array_merge($tree, $this->getTree($cates, $cate['cateid']));
}
}
return $tree;
}
~~~
~~~
> 按照parentid等级，接上字符串 |-----
~~~
