lmt/application/admin/controller/shopro/Link.php

<?php

namespace app\admin\controller\shopro;

use app\common\controller\Backend;
use app\admin\model\shopro\Link as LinkModel;
use app\admin\controller\shopro\Base;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;
use Exception;
/**
 * 页面链接
 *
 * @icon fa fa-circle-o
 */
class Link extends Base
{
    
    /**
     * Link模型对象
     * @var \app\admin\model\shopro\Link
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\shopro\Link;
    }
    
    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */
    
    /**
     * 查看
     */
    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            $group = $this->model->group('group')->with('children')->field('group')->select();
            $list = collection($group)->toArray();
            return $this->success('链接列表', null, $list);
        }
        return $this->view->fetch();
    }

    /**
     * 添加
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post();
            if ($params) {
                $params = json_decode($params['data'], true);
                $result = false;
                Db::startTrans();
                try {
                    $result = $this->model->allowField(true)->save($params);
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }


        return $this->view->fetch();
    }

    /**
     * 编辑
     */
    public function edit($id = null)
    {
        $row = $this->model->get($id);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        if ($this->request->isPost()) {
            $params = $this->request->post();
            if ($params) {
                $params = json_decode($params['data'], true);
                $result = false;
                Db::startTrans();
                try {
                    $result = $row->allowField(true)->save($params);
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->assignconfig("row", $row);
        return $this->view->fetch();
    }

    /**
     * 选择链接
     */
    public function select()
    {
        if ($this->request->isAjax()) {
            return $this->index();
        }
        return $this->view->fetch();
    }

}