处理用户端重复点击下单

puzhibing

2023-07-19 c4af2be6090d6572d823ddea18d2b8bde78a0993

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package com.supersavedriving.user.modular.system.dao;
 
import com.baomidou.mybatisplus.mapper.BaseMapper;
import com.supersavedriving.user.modular.system.model.Region;
import org.apache.ibatis.annotations.Param;
 
public interface RegionMapper extends BaseMapper<Region> {
 
 
 
    Region query(@Param("code") String code);
}