1 public function goods_number() 2     { 3         // 接收商品ID 4         $id = I('get.id'); 5         $gnModel = D('goods_number'); 6          7         // 处理表单 8         if(IS_POST) 9         {
　　　　　　　　 //var_dump($_POST)die;10             // 先删除原库存11             $gnModel->where(array(12                 'goods_id' => array('eq', $id),13             ))->delete();14             //var_dump($_POST);die;15             $gaid = I('post.goods_attr_id');16             $gn = I('post.goods_number');17             // 先计算商品属性ID和库存量的比例18             $gaidCount = count($gaid);19             $gnCount = count($gn);20             $rate = $gaidCount/$gnCount;21             // 循环库存量22             $_i = 0;  // 取第几个商品属性ID23             foreach ($gn as $k => $v)24             {25                 $_goodsAttrId = array();  // 把下面取出来的ID放这里26                 // 后来从商品属性ID数组中取出 $rate 个，循环一次取一个27                 for($i=0; $i<$rate; $i++)28                 {29                     $_goodsAttrId[] = $gaid[$_i];30                     $_i++;31                 }32                 // 先升序排列33                 sort($_goodsAttrId, SORT_NUMERIC);  // 以数字的形式排序34                 // 把取出来的商品属性ID转化成字符串35                 $_goodsAttrId = (string)implode(',', $_goodsAttrId);36                 $gnModel->add(array(37                     'goods_id' => $id,38                     'goods_attr_id' => $_goodsAttrId,39                     'goods_number' => $v,40                 ));41             }42             $this->success('设置成功！', U('goods_number?id='.I('get.id')));43             exit;44         }45         46         // 根据商品ID取出这件商品所有可选属性的值47         $gaModel = D('goods_attr');48         $gaData = $gaModel->alias('a')49         ->field('a.*,b.attr_name')50         ->join('LEFT JOIN __ATTRIBUTE__ b ON a.attr_id=b.id')51         ->where(array(52             'a.goods_id' => array('eq', $id),53             'b.attr_type' => array('eq', '可选'),54         ))->select();55         // 处理这个二维数组：转化成三维：把属性相同的放到一起56         $_gaData = array();57         foreach ($gaData as $k => $v)58         {59             $_gaData[$v['attr_name']][] = $v;60         }61         62         // 先取出这件商品已经设置过的库存量63         $gnData = $gnModel->where(array(64             'goods_id' => $id,65         ))->select();66         //var_dump($gnData);67         68         $this->assign(array(69             'gaData' => $_gaData,70             'gnData' => $gnData,71         ));72         73         // 设置页面信息74         $this->assign(array(75             '_page_title' => '库存量',76             '_page_btn_name' => '返回列表',77             '_page_btn_link' => U('lst'),78         ));79            // 1.显示表单80            $this->display();81     }