mysql> use admin
Database changed
mysql> create table cate(
-> id int unsigned not null primary key auto_increment,
-> name char(15) not null,
-> pid int unsigned not null,
-> sort smallint(6) not null);
Query OK, 0 rows affected (0.48 sec)
mysql> desc cate;
+-------+------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------+------------------+------+-----+---------+----------------+
| id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| name | char(15) | NO | | NULL | |
| pid | int(10) unsigned | NO | | NULL | |
| sort | smallint(6) | NO | | NULL | |
+-------+------------------+------+-----+---------+----------------+
public function index(){
import('common.category',COMMON_PATH);
$cate=M('cate')->order('sort ASC')->select();
$catea=new category();
$catex=$catea::zifenleia($cate);
print_r($catex);
// $this->assign('catex',$catex);
// $this->display();
}
public function addcate(){
// $pid=isset($_GET['pid'])?$_GET['pid']:0;
$this->pid=I('pid',0,'intval');
$this->display();
}
public function ADDreturn(){
if(M('cate')->add($_POST)){
$this->success('添加成功',U(MODULE_NAME.'/Category/index'));
}else{
$this->error('出错');
}
}
//排序
public function sort(){
$db=M('cate');
foreach($_POST as $id=>$sort){
$db->where(array('id'=>$id,))->setField(array('sort'=>$sort));
}
$this->redirect(MODULE_NAME.'/category/index');
}
//删除
public function delete(){
$db=M('cate');
}
}
class Category{
/**
* 组合一维数组，用于输出顶级栏目所属的二级栏目
*/
Static Public function unlimitedForLevel($m, $html='--', $f_id=0, $level=0){
$arr=array();
foreach ($m as $v){
if ($v['f_id'] == $f_id){
$v['level']=$level+1;
$v['html']=str_repeat($html,$level);
$arr[]=$v;
$arr=array_merge($arr,self::unlimitedForLevel($m,$html,$v['id'],$level+1));
}
}
return $arr;
}
/**
* 多维数组，用于在前台输出含有二级栏目的导航条
*/
Static Public function unlimitedForLayer ($m, $name = 'child', $f_id = 0) {
$arr = array();
foreach ($m as $v) {
if ($v['f_id'] == $f_id) {
$v[$name] = self::unlimitedForLayer($m, $name, $v['id']);
$arr[] = $v;
}
}
return $arr;
}
/**
* 传递一个子分类ID返回所有的父级分类
*/
Static Public function getParents ($m, $id) {
$arr = array();
foreach ($m as $v) {
if ($v['id'] == $id) {
$arr[] = $v;
$arr = array_merge(self::getParents($m, $v['f_id']), $arr);
}
}
return $arr;
}
/**
* 传递一个父级分类ID返回所有子分类
*/
Static Public function getChilds ($m, $f_id) {
$arr = array();
foreach ($m as $v) {
if ($v['f_id'] == $f_id) {
$arr[] = $v;
$arr = array_merge($arr, self::getChilds($m, $v['id']));
}
}
return $arr;
}
/**
* 传递一个父级分类ID返回所有子分类ID(注意：这里的f_id是栏目表的父级id,根据数据库表的名字填写)
*/
Static Public function getChildsId ($m, $f_id) {
$arr = array();
foreach ($m as $v) {
if ($v['f_id'] == $f_id) {
$arr[] = $v['id'];
$arr = array_merge($arr, self::getChildsId($m, $v['id']));
}
}
return $arr;
}
/**
* 传递一个子分类ID返回父级分类ID(注意：这里的f_id是栏目表的父级id,根据数据库表的名字填写)
*/
Static Public function getfId ($m, $id) {
$arr = array();
foreach ($m as $v) {
if ($v['id'] == $id) {
$arr[] = $v['f_id'];
$arr = array_merge($arr, self::getfId($m, $v['f_id']));
}
}
return $arr;
}
}
Array
(
[0] => Array
(
[id] => 1
[name] => PHP
[pid] => 0
[sort] => 1
[child] => Array
(
[0] => Array
(
[id] => 4
[name] => PHP1
[pid] => 1
[sort] => 100
[child] => Array
(
)
)
[1] => Array
(
[id] => 6
[name] => sdasd
[pid] => 1
[sort] => 100
[child] => Array
(
)
)
)
)
[1] => Array
(
[id] => 2
[name] => MYSQL
[pid] => 0
[sort] => 2
[child] => Array
(
[0] => Array
(
[id] => 5
[name] => MYSQL 2
[pid] => 2
[sort] => 100
[child] => Array
(
)
)
)
)
[2] => Array
(
[id] => 3
[name] => LInux
[pid] => 0
[sort] => 3
[child] => Array
(
)
)
)