mybatisplus 多条件and 、or 组合查询 (...and ...) or (...and ...)_mybatisplus and or查询

mybatis-plus 中 queryWrapper and与or嵌套

(…and …) or (…and …) 格式

 QueryWrapper<entity> query = new QueryWrapper<>();
  query.and(wrapper->wrapper.eq("SEND_USER_ID",sendUserId).eq("RECEIVE_USER_ID",receiveUserId))
            .or(wrapper->wrapper.eq("SEND_USER_ID",receiveUserId).eq("RECEIVE_USER_ID",sendUserId));
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效果

sql: 条件组成

WHERE ((SEND_USER_ID = ? AND RECEIVE_USER_ID = ?) OR (SEND_USER_ID = ? AND RECEIVE_USER_ID = ?))
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