新闻缩略图模块代码

摘要：<?php namespace app\admin\controller; use app\admin\controller\Base; use app\admin\model\NewsModel; use app\admin\model\NewsPicModel; use think\facade\Request; use thi

<?php
namespace app\admin\controller;
use app\admin\controller\Base;
use app\admin\model\NewsModel;
use app\admin\model\NewsPicModel;
use think\facade\Request;
use think\facade\Session;

class NewsPic extends Base
{
    public function lst()
    {
        $newsPics = NewsPicModel::order('id','desc')->paginate(2);
        $this->assign('newsPics',$newsPics);
        return $this->fetch();
    }

    public function upload()
    {
        // 获取上传图片的信息
        $file = Request::file('file');
        $info = $file->validate(['ext'=>'jpg,jpeg,png,gif'])->move( 'uploads/images/');
        if($info)
        {
            // 返回上传成功信息，返回格式也跟 wangEditor 这个富文本编辑器 接口返回的数据格式 有关系，详情查看官方文档
            return json(['errno' => 0, 'data' => ['/uploads/images/' . $info->getSaveName()]]);
        }else {
            return $file->getError();
        }

    }

    public function add()
    {
        $news = NewsModel::all();
        if(request()->isPost())
        {
            // 获取提交过来的数据
            $data = Request::param();
            $data['time'] = time();
            $data['username'] = Session::get('username');
            $res = NewsPicModel::create($data);
            if ($res)
            {
                return ['res' => 1, 'msg'=>'上传成功'];
            }else{
                return ['res' => 0, 'msg' => '发布失败！'];
            }
        }
        $this->assign('news',$news);
        return $this->fetch();
    }

    public function del()
    {
        $picId=Request::param('id');
        $res = NewsPicModel::destroy($picId);
        if ($res)
        {
            return ['res' => 1,'msg' => '删除成功！'];
        }
    }
}

批改老师：天蓬老师批改时间：2018-12-04 17:26:27
老师总结：代码很规范, 最 好再 有点注释, 就 更好