商品的缩略图

商品的缩略图

复制一份之前品牌模块的model模型文件，更名为

GoodsModel.class.php

<?php
namespace Admin\Model;
use Think\Model;
class GoodsModel extends Model {

    protected $_validate = array(
            array('goods_name','require','品牌名称不得为空！',1),
            array('market_price','require','市场价格不得为空！',1),
            array('shop_price','require','本店价格不得为空！',1),
            array('goods_name','','品牌名称不得重复！',1,unique,3),

    );


    public function _before_insert(&$data,$option){
        if($_FILES['original']['tmp_name']){
            $upload = new \Think\Upload();// 实例化上传类
            $upload->maxSize   =     3145728 ;// 设置附件上传大小
            $upload->exts      =     array('jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型
            // $upload->autoSub = false;
            $upload->savePath  =      './Public/Uploads/Goods/'; // 设置附件上传目录
            $upload->rootPath  =      './';
            $info   =   $upload->uploadOne($_FILES['original']);
            $original=$info['savepath'].$info['savename'];
            $max_thumb=$info['savepath'].'max_'.$info['savename'];
            $mid_thumb=$info['savepath'].'mid_'.$info['savename'];
            $sm_thumb=$info['savepath'].'sm_'.$info['savename'];
            $image = new \Think\Image();
            $image->open($original);
            $image->thumb(362, 362)->save($max_thumb);
            $image->thumb(222, 222)->save($mid_thumb);
            $image->thumb(67, 67)->save($sm_thumb);
            $data['original']=$original;
            $data['max_thumb']=$max_thumb;
            $data['mid_thumb']=$mid_thumb;
            $data['sm_thumb']=$sm_thumb;
        }
    }


}

控制器  GoodsController.class.php

  public function add(){
        $goods=D('goods');
        if(IS_POST){
            if($goods->create()){
                if ($goods->add()) {
                    $this->success('添加品牌成功',U('index'));

                }else{
                    $this->error('添加品牌失败');
                }
            }else{
                $this->error($goods->getError());
            }
            return;
        }

        $cateres=D('cate')->catetree();
        $this->assign('cateres',$cateres);
        $brandres=D('brand')->select();
        $this->assign('brandres',$brandres);
        $this->display();
    }