mybatis批量操作

  
    insert into user_contact (device_id,vin,user_id,contact_name,create_time) values
    
      (#{item.deviceId},#{item.vin},#{item.userId},#{item.contactName},#{item.createTime})
    
  

  
    select
    uc.contact_name contactName
    FROM user_contact uc
    where uc.device_id = #{deviceId}
    
      and uc.user_id = #{userId}
    
    
      and uc.vin = #{vin}
    
    
      and uc.contact_name like concat(concat('%',#{contactName}),'%')
    
    
      and uc.dflag = #{dflag}
    
  

  
    update user_contact
    set dflag = case
    
      when
      device_id = #{item.deviceId} and user_id = #{item.userId} and contact_name = #{item.contactName}
      
        and vin = #{item.vin}
      
       then #{item.dflag}
    
    end
    
      
        device_id = #{item.deviceId} and user_id = #{item.userId} and contact_name = #{item.contactName}
        
          and vin = #{item.vin}
        
      
    
  

  
    update user_contact
    set dflag = case
    
      when device_id = #{item.deviceId} and contact_name = #{item.contactName} then #{item.dflag}
    
    end
    
      
        device_id = #{item.deviceId} and contact_name = #{item.contactName}