szcp_admin/application/admin/controller/Category.php

<?php

// +----------------------------------------------------------------------
// | ThinkAdmin
// +----------------------------------------------------------------------
// | 版权所有 2014~2019 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: http://demo.thinkadmin.top
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | gitee 代码仓库：https://gitee.com/zoujingli/ThinkAdmin
// | github 代码仓库：https://github.com/zoujingli/ThinkAdmin
// +----------------------------------------------------------------------

namespace app\admin\controller;

use library\Controller;

use library\tools\Data;
use think\Db;
use think\facade\Hook;
use think\Request;

/**
 * 分类管理
 */
class Category extends Controller
{
    /**
     * 绑定数据表
     * @var string
     */
    protected $table = 'system_goods_cate';

    /**
     * 分类管理
     * @auth true
     * @menu true
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     * @throws \think\exception\PDOException
     */
    public function index()
    {
        $this->title = '分类管理';
        $query = $this->_query($this->table)->where('pid', 0)->like('title');
        if (isset($_GET['status']) && $_GET['status']!=''){
            $query->where('status',$_GET['status']);
        }
        if (isset($_GET['label_id']) && $_GET['label_id']!=''){
            $query->where('label_id',$_GET['label_id']);
        }
        $query->where('is_deleted', 0)
            ->order('pid asc,id desc')
            ->page();
    }

    /**
     * 列表数据处理
     * @param array $data
     */
    protected function _index_page_filter(&$data)
    {
        foreach ($data as &$vo) {
            $vo['children'] = Db::name($this->table)
                ->where('is_deleted', 0)
                ->where('pid', $vo['id'])
                ->select();

            foreach ($vo['children'] as &$v) {
                $v['children'] = Db::name($this->table)
                    ->where('is_deleted', 0)
                    ->where('pid', $v['id'])
                    ->select();
            }
        }
        $data = Data::arr2table($data);
       // dump($data);die;
    }

    /**
     * 添加分类
     * @auth true
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     * @throws \think\exception\PDOException
     */
    public function add()
    {
        $this->_form($this->table, 'form');
    }

    /**
     * 编辑分类
     * @auth true
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     * @throws \think\exception\PDOException
     */
    public function edit()
    {
        $this->_form($this->table, 'form');
    }

    /**
     * 表单数据处理
     * @param array $vo
     * @throws \ReflectionException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    protected function _form_filter(&$vo)
    {
        if ($this->request->isGet()) {

            // 选择自己的上级分类
            if (empty($vo['pid']) && $this->request->get('pid', '0')) $vo['pid'] = $this->request->get('pid', '0');
            // 列出可选上级分类
            $menus = Db::name($this->table)->where(['status' => '1'])->where('is_deleted', 0)->order('id asc')->column('id,pid,title');
            $this->menus = Data::arr2table(array_merge($menus, [['id' => '0', 'pid' => '-1', 'title' => '一级分类']]));
            if (isset($vo['id'])) foreach ($this->menus as $key => $menu) if ($menu['id'] === $vo['id']) $vo = $menu;
            foreach ($this->menus as $key => &$menu) {
                if ($menu['spt'] >= 3) unset($this->menus[$key]);
            }

            //dump($this->menus);die;

        }elseif ($this->request->isPost()){
            $pid = request()->post('pid');
            $id = request()->post('id');
            if ($pid == $id) $this->error('上级分类不能是自身');
        }
    }

    /**
     * 禁用分类
     * @auth true
     * @throws \think\Exception
     * @throws \think\exception\PDOException
     */
    public function forbid()
    {
        $this->applyCsrfToken();
        $this->_save($this->table, ['status' => '0']);
    }

    /**
     * 启用分类
     * @auth true
     * @throws \think\Exception
     * @throws \think\exception\PDOException
     */
    public function resume()
    {
        $this->applyCsrfToken();
        $this->_save($this->table, ['status' => '1']);
    }

    /**
     * 删除分类
     * @auth true
     * @throws \think\Exception
     * @throws \think\exception\PDOException
     */
    public function remove()
    {
        $this->_delete($this->table);
    }
}