package com.gkhy.exam.system.service; import com.baomidou.mybatisplus.extension.service.IService; import com.gkhy.exam.common.api.CommonPage; import com.gkhy.exam.common.api.CommonResult; import com.gkhy.exam.system.domain.ProductItem; import java.util.List; public interface ProductItemService extends IService { CommonPage selectProductItem(ProductItem productItem); CommonResult insertProductItem(ProductItem productItem); CommonResult updateProductItem(ProductItem productItem); CommonResult deletedProductItem(Integer itemId); }