无限级分类,级分类
public function getlist($pid = 0, &$result=array(), $spac = 0){<br /> $spac += 2;<br /> $list = M('liuyan')->where('pid='.$pid)->select();<br /> foreach($list as $val){<br /> $val['content'] = str_repeat('',$spac).$val['content'];<br /> $result[] = $val;<br /> $this->getlist($val['id'], $result, $spac);<br /> }<br /> return $result;<br />}
function
genTree(
$items
,
$id
=
'id'
,
$pid
=
'pid'
,
$son
=
'children'
){
$tree
=
array
();
//格式化的树
$tmpMap
=
array
();
//临时扁平数据
foreach
(
$items
as
$item
) {
$tmpMap
[
$item
[
$id
]] =
$item
;
}
foreach
(
$items
as
$item
) {
if
(isset(
$tmpMap
[
$item
[
$pid
]])) {
$tmpMap
[
$item
[
$pid
]][
$son
][] = &
$tmpMap
[
$item
[
$id
]];
}
else
{
$tree
[] = &
$tmpMap
[
$item
[
$id
]];
}
}
unset(
$tmpMap
);
return
$tree
;
}
$items1
=
array
(
array
(
'id'
=> 1,
'pid'
=> 0,
'name'
=>
'一级11'
),
array
(
'id'
=> 11,
'pid'
=> 0,
'name'
=>
'一级12'
),
array
(
'id'
=> 2,
'pid'
=> 1,
'name'
=>
'二级21'
),
array
(
'id'
=> 10,
'pid'
=> 11,
'name'
=>
'二级22'
),
array
(
'id'
=> 3,
'pid'
=> 1,
'name'
=>
'二级23'
),
array
(
'id'
=> 12,
'pid'
=> 11,
'name'
=>
'二级24'
),
array
(
'id'
=> 9,
'pid'
=> 1,
'name'
=>
'二级25'
),
array
(
'id'
=> 14,
'pid'
=> 1,
'name'
=>
'二级26'
),
array
(
'id'
=> 4,
'pid'
=> 9,
'name'
=>
'三级31'
),
array
(
'id'
=> 6,
'pid'
=> 9,
'name'
=>
'三级32'
),
array
(
'id'
=> 7,
'pid'
=> 4,
'name'
=>
'四级41'
),
array
(
'id'
=> 8,
'pid'
=> 4,
'name'
=>
'四级42'
),
array
(
'id'
=> 5,
'pid'
=> 4,
'name'
=>
'四级43'
),
array
(
'id'
=> 13,
'pid'
=> 4,
'name'
=>
'四级44'
),
array
(
'id'
=> 15,
'pid'
=> 8,
'name'
=>
'五级51'
),
array
(
'id'
=> 16,
'pid'
=> 8,
'name'
=>
'五级52'
),
array
(
'id'
=> 17,
'pid'
=> 8,
'name'
=>
'五级53'
),
array
(
'id'
=> 18,
'pid'
=> 16,
'name'
=>
'六级64'
),
);
var_dump(genTree(
$items1
));

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

Dreamweaver Mac version
Visual web development tools

Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

SublimeText3 Chinese version
Chinese version, very easy to use

PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool