Mybatis根据时间段查询

如果你要严格要求是某一年的,那可以这样

查询一天:

select * from table where to_days(column_time) = to_days(now());
select * from table where date(column_time) = curdate(); 

查询一周:

select * from table  where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(column_time);


查询一个月:

select * from table  where DATE_SUB(CURDATE(), INTERVAL 1 MONTH) <= date(column_time);

查询某一个月

select * from exam where date_format(starttime,'%Y-%m')='2017-10' 
select * from exam where date_format(starttime,'%Y-%m')=date_format('2017-10-05','%Y-%m')
查询某一天
select * from exam where date_format(starttime,'%Y-%m-%d')=date_format('2017-10-05','%Y-%m-%d')
查询一年:

select * from table  where DATE_SUB(CURDATE(), INTERVAL 1 YEAR) <= date(column_time);
两个字段
方法一 
SELECT
    topic_id as topicId,id,
    count( topic_id ) AS topicSum
    FROM
    topic_memo
    WHERE
    STATUS = 1
    AND memo_type = 1
    AND actual_time IS NULL
    AND user_id = 4
    AND '2022-11-19' BETWEEN begin_time and end_time
    GROUP BY
    topic_id
		方法二
	SELECT
    topic_id as topicId,id,
    count( topic_id ) AS topicSum
    FROM
    topic_memo
    WHERE
    STATUS = 1
    AND memo_type = 1
    AND actual_time IS NULL
    AND user_id = 4
    AND begin_time <='2022-11-11' and '2022-11-11' <=end_time
    GROUP BY
    topic_id

判断是否满足某个条件

 <select id="selectByTeamId" resultType="java.lang.Integer">
        select count(*) from  jf_consultation_record as a where
            doctorId=#{id} and cstate=0
          <if test="typeId!=null and typeId=='1'.toString()">
            and DATE_SUB(CURDATE(), INTERVAL 7 DAY) <![CDATA[ <= ]]> date(ctime)
          </if>
          <if test="typeId!=null and typeId=='2'.toString()">
            and DATE_SUB(CURDATE(), INTERVAL 30 DAY) <![CDATA[ <= ]]> date(ctime)
          </if>
          <if test="typeId!=null and typeId=='3'.toString()">
            and DATE_SUB(CURDATE(), INTERVAL INTERVAL 3 MONTH) <![CDATA[ <= ]]> date(ctime)
          </if>
  </select>
-- 时间段查询
<!--      <if test="taskTime!=null">-->
<!--       AND date_format(a.task_start_time,'%Y-%m-%d')= date_format(#{taskTime},'%Y-%m-%d')-->
<!--      </if>-->
      <if test="taskTime != null">
         and date_format(a.task_start_time, '%Y-%m-%d') &gt;= date_format(#{taskTime},'%Y-%m-%d')
      </if>
      <if test="taskEndTime != null">
         and date_format(a.task_start_time, '%Y-%m-%d') &lt;= date_format(#{taskEndTime},'%Y-%m-%d')
      </if>
      
MyBatis查询某个时间段的数据,可以使用动态SQL来实现。通过判断传入的参数是否为空,来决定是否拼接相应的条件语句。 首先,我们需要在Mapper.xml文件中定义一个查询语句。例如: ```xml <select id="selectByTimeRange" parameterType="java.util.Map" resultType="yourResultType"> SELECT * FROM your_table WHERE 1=1 <if test="startTime != null"> AND your_time_column >= #{startTime} </if> <if test="endTime != null"> AND your_time_column <= #{endTime} </if> </select> ``` 在这个查询语句中,我们使用了动态SQL的if标签来判断传入的startTime和endTime是否为空。如果不为空,就拼接相应的条件语句。 然后,在Java代码中,我们可以通过传入一个Map来设置查询参数。例如: ```java Map<String, Object> params = new HashMap<>(); params.put("startTime", yourStartTime); params.put("endTime", yourEndTime); List<YourResultType> result = sqlSession.selectList("yourNamespace.selectByTimeRange", params); ``` 在这里,我们将起始时间和结束时间作为参数放入Map中,然后将Map作为参数传入查询语句中。 通过这种方式,我们就可以根据传入的时间段查询相应的数据了。注意,你需要根据实际的表名、字段名和返回类型进行相应的修改。<span class="em">1</span><span class="em">2</span><span class="em">3</span> #### 引用[.reference_title] - *1* [【完美解决】MyBatis中怎么查询某个时间段内的数据](https://blog.youkuaiyun.com/qq_38071008/article/details/100565826)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 50%"] - *2* *3* [关于mybatis中的时间段查询](https://blog.youkuaiyun.com/Coolking00/article/details/125742960)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 50%"] [ .reference_list ]
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