ApiAdmin/application/common.php
2018-01-16 20:26:27 +08:00

65 lines
2.2 KiB
PHP

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 流年 <liu21st@gmail.com>
// +----------------------------------------------------------------------
// 应用公共文件
/**
* 把返回的数据集转换成Tree
* @param $list
* @param string $pk
* @param string $pid
* @param string $child
* @param string $root
* @return array
*/
function listToTree($list, $pk='id', $pid = 'fid', $child = '_child', $root = '0') {
$tree = array();
if(is_array($list)) {
$refer = array();
foreach ($list as $key => $data) {
$refer[$data[$pk]] = &$list[$key];
}
foreach ($list as $key => $data) {
$parentId = $data[$pid];
if ($root == $parentId) {
$tree[] = &$list[$key];
}else{
if (isset($refer[$parentId])) {
$parent = &$refer[$parentId];
$parent[$child][] = &$list[$key];
}
}
}
}
return $tree;
}
function formatTree($list, $lv = 0, $title = 'name'){
$formatTree = array();
foreach($list as $key => $val){
$title_prefix = '';
for( $i=0;$i<$lv;$i++ ){
$title_prefix .= "|---";
}
$val['lv'] = $lv;
$val['namePrefix'] = $lv == 0 ? '' : $title_prefix;
$val['showName'] = $lv == 0 ? $val[$title] : $title_prefix.$val[$title];
if(!array_key_exists('_child', $val)){
array_push($formatTree, $val);
}else{
$child = $val['_child'];
unset($val['_child']);
array_push($formatTree, $val);
$middle = formatTree($child, $lv+1, $title); //进行下一层递归
$formatTree = array_merge($formatTree, $middle);
}
}
return $formatTree;
}