购物车修改商品数量页面数据丢失了
public String numbercount(){ActionContext ac = ActionContext.getContext();
List<GoodsDTO> goodsList = (List<GoodsDTO>) ac.getSession().get("goodsList");
for(int k=0;k<goodsList.size();k++){
String id = goodsList.get(k).getId();
if(goodsDTO.getId().equals(id)){
goodsList.get(k).setCount(goodsDTO.getCount());
}
}
return "numbercount" ;
} --------------------编程问答-------------------- 哪里报错,希望能说的具体一点 --------------------编程问答-------------------- 能把错误代码贴出来?
补充:Java , Java EE