产品缩略图模块控制器

<?php
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2019/2/27
* Time: 19:02
*/

namespace app\admin\controller;


use app\admin\model\ProductModel;
use app\admin\model\ProductPicModel;
use think\facade\Session;
use think\Request;

class ProductPic extends Common
{
   /*
    * 渲染产品缩略图列表页面
    */
   public function index(){
       $pic = new ProductPicModel();
       $result = $pic->order('id','desc')->paginate(4);
       $this->view->pics = $result;
       return $this->fetch();
   }

   /*
    *
    */
   public function add(){
       $products = ProductModel::all();
       $this->view->products = $products;
       return $this->fetch();
   }

   public function doAdd(Request $request)
   {
       $params = $request->param();
       $params['time'] = time();
       $params['username'] = Session::get('username');
       $pic = new ProductPicModel();
       if($pic->save($params)){
           return ['res' => 1,'msg' => '发布成功'];
       }else{
           return ['res' => 0,'msg' => '发布失败'];
       }
   }

   public function upload(Request $request){
       $file = $request->file('file');
       if($info = $file->validate(['ext' => 'jpg,jpeg,gif,png'])->move('upload')){
           $filename = '/upload/'.$info->getSaveName();
           return json([1,'上传成功','data'=>$filename]);
       }else{
           return $file->getError();
       }
   }

   public function del(Request $request){
       $id = $request->param('id');
       $pic = new ProductPicModel();
       if($pic->destroy($id)){
           return ['res' => 1,'msg' => '删除成功'];
       }else{
           return ['res' => 0,'msg' => '删除失败'];
       }
   }
}