blog_tp6/app/sys/controller/Article.php

<?php
declare (strict_types = 1);
/**
 * +----------------------------------------------------------------------
 * 后台文章控制制器
 * @author huwhis@163.com
 * @version   0.0.1
 * +----------------------------------------------------------------------
 */
namespace app\sys\controller;

// 引入框架内置类
use think\facade\View;

use app\common\model\Category as CategoryModel;
use app\common\model\Article as ArticleModel;

/**
 * 文章管理  

 */
class Article extends Base
{
    protected $modelName = "Article";

    public function index()
    {
        $categories = CategoryModel::select();

        $category_tree = list_tree($categories);
        
        $cid = $this->app->request->param('cid');

        $params = $this->app->request->param();

        $list = ArticleModel::queryPage($params);

        View::assign('category_tree', $category_tree);

        View::assign('list', $list);
        View::assign('cid', $cid);
        return View::fetch();
    }

    public function save($id = 0, $cid = 0)
    {
        if ($this->app->request->isPost()) {
            $params = $this->app->request->param();

            if (!$params['cid']) {
                $this->error('请选择栏目');
            }
            if ($params['title'] == '') {
                $this->error("标题不能为空");
            }
            $params['content'] =  isset($params['content']) ? $params['content'] : '';
            try {
                if ($params['id'] != 0) {
                   ArticleModel::update($params);
                } else {
                    $params['userid'] = $this->getSysUser()->userid;
                    $params['username'] = $this->getSysUser()->username;
                    unset($params['id']);
                    ArticleModel::create($params);
                }
            } catch (\Exception $e) {
                $msg = $e->getMessage();

                $this->error("错误提示:".$msg);
            }
            $this->success('操作成功', (string) url('index?cid='.$params['cid']));
        } else {
            if (!$cid) {
                $this->error('请选择栏目');
            }

            if ($id) {
                $data = ArticleModel::find($id);
            } else {
                $data = new ArticleModel();
            }
            
            $category_info = CategoryModel::field('id, parent_id, name')->find($cid);
    
            View::assign('cid', $cid);
            View::assign('category_info', $category_info);
            View::assign('data', $data);
         
            return View::fetch();
        }
    }
}