写用户端接口

rentaiming

2024-05-27 b98f7d2c9401c3b60d776794e3473ca5c4723b54

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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);
}