Mybatis根据List批量查询List结果

一、mapper接口

/**
 * 根据剧典id list查询剧典
 */
public List<Drama> selectByIds(@Param("dramaIds")List<Long> dramaIds);

二、mapper.xml文件

<!-- 根据剧典id list查询剧典 -->
<select id="selectByIds" resultMap="DramaImageResultMap">
    select * from drama where drama_id in 
    <foreach collection="dramaIds" item="dramaId" open="(" close=")" separator=",">
    #{dramaId}
   </foreach>
</select>

 

数组参数

//接口方法
ArrayList<User> selectByIds(Integer [] ids);
//xml映射文件
<select id="selectByIds" resultMap="BaseResultMap">
    select
    *
    from user where id in
    <foreach item="item" index="index" collection="array" open="(" separator="," close=")">
        #{item}
    </foreach>
</select>

List参数

//接口方法
ArrayList<User> selectByIds(List<Integer> ids);
//xml映射文件
<select id="selectByIds" resultMap="BaseResultMap">
    Select
    <include refid="Base_Column_List" />
    from jria where ID in
    <foreach item="item" index="index" collection="list" open="(" separator="," close=")">
          #{item}
      </foreach>
  </select>