feat(service): 新增客户跟进附件处理服务实现

buhuazhen

2026-04-24 8da04121777dbb6f4880a1cfc1806474cddeb34b

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package com.ruoyi.basic.mapper;
 
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.ruoyi.basic.pojo.Product;
 
public interface ProductMapper extends BaseMapper<Product> {
 
}