## 代码
```
<?php
namespace app\agent\model;
use think\Model;
class AgentCategoryModel extends Model
{
public function editCategory($data)
{
$result = true;
$id = intval($data['id']);
$parentId = intval($data['parent_id']);
$oldCategory = $this->where('id', $id)->find();
if (empty($parentId)) {
$newPath = '0-' . $id;
} else {
$parentPath = $this->where('id', intval($data['parent_id']))->value('path');
if ($parentPath === false) {
$newPath = false;
} else {
$newPath = "$parentPath-$id";
}
}
if (empty($oldCategory) || empty($newPath)) {
$result = false;
} else {
$data['path'] = $newPath;
$this->isUpdate(true)->allowField(true)->save($data, ['id' => $id]);
$children = $this->field('id,path')->where('path', 'like', "%-$id-%")->select();
if (!empty($children)) {
foreach ($children as $child) {
$childPath = str_replace($oldCategory['path'] . '-', $newPath . '-', $child['path']);
$this->isUpdate(true)->save(['path' => $childPath], ['id' => $child['id']]);
}
}
}
return $result;
}
}
```
