类转化异常
java.lang.ClassCastException: tk.mybatis.springboot.model.PayProductCategory cannot be cast to tk.mybatis.springboot.model.PayProductCategory
PayProductCategory payProductCategorySelectCount = new PayProductCategory(); payProductCategorySelectCount.setState((byte)ShopConstants.State.LIVE.ordinal()); List<PayProductCategory> payProductCategories = payProductCategoryMapper.select(payProductCategorySelectCount);
for(int i = 0; i < payProductCategories.size(); i++){ PayProductCategory payProductCategory = payProductCategories.get(i); //这里报错 Long productCategoryId = payProductCategory.getId(); } }
利用payProductCategoryMapper获取出来了数据,但是数据无法转化。这个是什么问题。同样的类
看 https://github.com/abel533/Mapper 首页