public function product()
{
$goods_id = $_GET['goods_id'] + 0;
$p = $_GET['p'] + 0;
//库存入库
if (IS_POST) {
$goods_id = I('post.goods_id');
$goods_number = I('post.goods_number');
$attr = I('post.attr');
//修改库存，就是删除旧的数据，增加新的数据
//取出已经存在的库存数据，如果有就删除
$kcdata = M('Product')->where("goods_id={$goods_id}")->select();
if ($kcdata) {
M('Product')->where("goods_id={$goods_id}")->delete();
}
//计算出总的库存
$kc = 0;
foreach ($goods_number as $k => $v) {
$a = array();
foreach ($attr as $k1 => $v1) {
$a[] = $v1[$k];
}
M('Product')->add(array('goods_id' => $goods_id, 'goods_number' => $v, 'goods_attr_id' => implode(',', $a)));
//计算总的库存
$kc += $v;
}
//修改总的库存
M('Goods')->where("goods_id={$goods_id}")->setField('goods_number', $kc);
$this->success('添加库存成功', U('showlist', array('p' => $p)), 1);
exit;
}
//修改库存，先把设置的库存取出来显示
$kcdata = M('Product')->where("goods_id={$goods_id}")->select();
$this->assign('kcdata', $kcdata);
$goods_model = new \Model\GoodsModel();
$goods_info = $goods_model->field("goods_name")->find($goods_id);
$this->assign('goods_info', $goods_info);
//取出设置库存的属性id和属性名及值
$data = $goods_model->getRadio($goods_id);
//为了方便遍历，转换成三维数组
$radiodata = array();
foreach ($data as $v) {
$radiodata[$v['attr_id']][] = $v;
}
$this->assign('goods_id', $goods_id);
$this->assign('radiodata', $radiodata);
$this->display();
}
