public function AddNews(){

        $data = Request::instance()->param();

        //接收文件

        $file = request()->file('img');

        //上传

        $info = $file->move(ROOT_PATH . 'public' . DS . 'static' . DS . 'uploads');

        if($info){

            //获取文件名字

            $path = $info->getSaveName();

            //拼接一下图片绝对路径

            $last_path = ROOT_PATH . 'public' . DS . 'static' . DS . 'uploads'.DS.$path;

        }else{

            $path = null;

            $last_path = null;

        }

        if($last_path){

            //打开原图

            $image = \think\Image::open($last_path);

            //生成缩略图

            $thumb_path = rand().'.jpg';

            $image->thumb(10, 10)->save(ROOT_PATH . 'public' . DS . 'static' . DS .'thumb'.DS.$thumb_path);

        }

        if($last_path){

            //打开图片

            $image = \think\Image::open($last_path);

            //生成水印

            $water_path = ROOT_PATH . 'public' . DS . 'static' . DS .'waters'.DS.rand().'.jpg';

            $image->text('刘桂池',ROOT_PATH . 'public' . DS .'ttf'.DS.'fangzheng.ttf',20,'#00000')->save($water_path);

        }

        //拼接数据入库

        $arr['title'] = $data['title'];

        $arr['t_name'] = $data['t_name'];

        $arr['img'] = $path;

        $arr['content'] = $data['news_content'];

        $arr['thumb'] = empty($thumb_path)? null : $thumb_path;

        if(Db::table('d13')->insert($arr)){

            echo "成功";

        }else{

            echo "失败";

        }

    }