Mybatis各种遍历操作

介绍

1

void createFollowReport(@Param("follow") List<Map<String,Object>> follow);

<insert id="createFollowReport">
    replace into la_task_top_follow (mid,date,uid,count) values
    <foreach collection="follow" item="t" open="" close="" separator=",">
        (#{t.mid}, #{t.date}, #{t.uid}, #{t.count})
    </foreach>
</insert>

2

void saveFollowReport(@Param("taskId") Long taskId, @Param("follow") Map<String,Object> follow);

key是map的key，value是map的value

<insert id="saveFollowReport">
  replace into cis_task_top_follow (
  task_id, uid, count
  ) VALUES
  <foreach collection="follow.entrySet()" close=")" separator="),(" open="(" index="key" item="value">
    #{taskId}, #{key}, #{value}
  </foreach>
</insert>

参考博客

[1]