处理用户端重复点击下单

puzhibing

2023-07-19 c4af2be6090d6572d823ddea18d2b8bde78a0993

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package com.supersavedriving.driver.modular.system.dao;
 
import com.baomidou.mybatisplus.mapper.BaseMapper;
import com.supersavedriving.driver.modular.system.model.SystemBulletinUser;
import org.apache.ibatis.annotations.Param;
 
public interface SystemBulletinUserMapper extends BaseMapper<SystemBulletinUser> {
 
 
    /**
     * 清空系统公告
     * @param userId
     */
    void clearSystemBulletinUser(@Param("userId") Integer userId);
}