提交业务基础代码

mitao

2024-05-16 c369ea570f3d6fd628be962c0b40a17a711a5617

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package com.ruoyi.seatademo.mapper;
 
import com.ruoyi.seatademo.domain.Product;
 
public interface ProductMapper
{
    public Product selectById(Long productId);
 
    public void updateById(Product product);
}