swiftadmin/app/admin/controller/PdmSymbol.php

<?php
declare (strict_types = 1);
namespace app\admin\controller;

use app\AdminController;
use Webman\Http\Request;
use app\admin\model\PdmSymbol as PdmSymbolModel;
use support\Response;

/**
 * pdm_symbol
 * 原理符号
 * <!--partmanage-->
 * Class PdmSymbol
 * @package app\admin\controller
 */
class PdmSymbol extends AdminController
{
    /**
     * PdmSymbol模型对象
     * @var \app\admin\model\PdmSymbol
     */

    public function __construct()
    {
        parent::__construct();
        $this->model = new PdmSymbolModel;
    }

    /**
     * 默认生成的方法为index/add/edit/del/status 五个方法
     * 当创建CURD的时候，DIY的函数体和模板为空，请自行编写代码
     */
    
    /**
     * 获取资源列表
     * return Response
     */
    public function index(): Response
    {   
		if (request()->isAjax()) {
            list($count, $list) = PdmSymbol::dataList(request()->all());
            // $rules = list_to_tree($list,'id','pid','children',0);
            $lists = list_to_tree($list,'id','pid','children',0);            

            return $this->success('获取成功', '/',$lists, $count);
            // return $this->success('获取成功', '/');
		}       

		return view('/pdm_symbol/index');
	}

    /**
     * 获取资源列表
     * @param array $params
     * @return array
     * @throws DataNotFoundException
     * @throws DbException
     * @throws ModelNotFoundException
     */
    public static  function dataList(array $params): array  // static 限定后， $this-> 不可用。
    {
        // $where = array();
        // if (!empty($params['status'])) {
        //     // $where[] = ['status','=',$params['status']];
        //     $where[]=['status','=',$params['status']==1?0:1];
        // }
        // if (!empty($params['keyword'])) {
        //     $where[] = ['symbolname|view|attachment|content','like','%'.$params['keyword'].'%'];
        // }
        // $count = $this->model->where($where)->count();
        // $list = $this->model->where($where)->order('sort asc')->select()->toArray();

        $controller = new PdmSymbol();

        $where = $controller->buildSelectParams();
        $count = $controller->model->where($where)->count();
        $fieldList = $controller->model->getFields();
        $order = !array_key_exists('sort', $fieldList) ? 'id' : 'sort';
        $subQuery = $controller->model->field('id')->where($where)->order($order, 'asc')->buildSql();
        $subQuery = '( SELECT object.id FROM ' . $subQuery . ' AS object )';
        // $list = $this->model->with($this->relationModel)->where('id in' . $subQuery)->order($order, 'asc')->select()->toArray();  //  如果是'desc'  list_to_tree  函数返回为空！
        $list = $controller->model->with($controller->relationModel)->where('id in' . $subQuery)->order($order, 'asc')->select();  //  如果是'desc'  list_to_tree  函数返回为空！
        
        foreach($list as $key => $value){
            // throw new \Exception(json_encode($value));
            // throw new \Exception(json_encode($list[$key]->admin['nickname']));
            // $list[$key]['creator'] =__($list[$key]->admin['nickname']);
            $list[$key]->admin;
        }
        $list = $list->toArray();
        if(!empty($list) && is_array($list)){
            $nodeid = array();            
            foreach($list as $key => $value){
                if($value['pid'] == 0 ){
                    $nodeid[] = $value['id'];
                }                
            }
            // throw new \Exception(json_encode($pidlist));
            foreach($list as $key => $value){
                if(!in_array($value['pid'],$nodeid) && $value['pid'] > 0){
                    $nodeid[] = $value['pid'];
                    $nodevalue = $controller->model->find($value['pid']);
                    // throw new \Exception(json_encode($nodevalue));
                    $nodevalue = $controller->model->find($value['pid'])->toArray();
                    // throw new \Exception(json_encode($nodevalue));
                    // throw new \Exception(json_encode($list));
                    if(!empty($nodevalue)){
                        $list[] =  &$nodevalue;                       
                    }                    
                } 
            } 
            $list = list_sort_by($list,'id','asc');
            // usort($list, function($a, $b) {
            //     return $a['id'] <=> $b['id']; // 对 'id' 进行升序排序
            // });
            // throw new \Exception(json_encode($list));
        }
        
        // throw new \Exception(json_encode($list));
        
        return [$count, $list];
    }

	/**
	 * 添加节点数据
     * @return Response
	 */
	public function add(): Response
    {
        if (request()->isPost()) {
            $post = \request()->post();
            // validate(\app\common\validate\system\AdminRules::class . '.add')->check($post);
            $userid = get_admin_id();
            $post['creatorid'] =   $userid ;
            
            if ($this->model->create($post)) {
                return $this->success('添加FootPrint成功！');
            }
        }

        $data = $this->getTableFields();
        $data['pid'] = input('pid', 0);
        // $data['auth'] = 1;
        // $data['type'] = 1;        
        
        list($count, $list) = PdmSymbol::dataList(request()->all());
        return view('/pdm_symbol/add', [
            'data' => $data,
            'rules' => json_encode( list_to_tree($list), JSON_UNESCAPED_UNICODE),
        ]);
	}

    /**
     * 编辑节点数据
     * @return Response
     * @throws DbException
     * @throws DataNotFoundException
     * @throws ModelNotFoundException
     */
	public function edit(): Response
    {
        $id = input('id', 0);
        $data = $this->model->find($id);
        if (request()->isPost()) {
            $post = \request()->post();
            // validate(\app\common\validate\system\AdminRules::class . '.edit')->check($post);
            if ($this->model->update($post)) {
                return $this->success('更新Symbol成功！');
            }
        }

        list($count, $list) = PdmSymbol::dataList(request()->all());
        return view('/pdm_symbol/add', [
            'data'  => $data,
            'rules' => json_encode( list_to_tree($list), JSON_UNESCAPED_UNICODE),
        ]);
	}

    /**
     * 删除节点数据
     * @return Response
     * @throws DbException
     */
	public function del(): Response
    {
		$id = input('id');
		if (!empty($id)) {
			// 查询子节点
			if ($this->model->where('pid',$id)->count()) {
				return $this->error('当前分类存在子项！');
			}

			// 删除单个
			if ($this->model::destroy($id)) {
				return $this->success('删除Symbol成功！');
			}
		}
		
		return $this->error('删除失败，请检查您的参数！');
	}


}