如何在xml中传入list参数

Posted 2020-10-16 冰凌花花～

 

 

mapper.xml文件

 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.xxx.xx.cms.dal.extdao.GroupByMaterialMapper">

    <select id="groupByMaterialIds" resultType="com.xxx.xx..cms.dal.extdomain.GroupByMaterialDO">
        select t1.material_id AS materialId, t2.material_name AS materialName,
        t2.material_type AS materialType, t1.position_id AS positionId,
        t5.position_name AS positionName, t1.project_id AS projectId,
        t3.project_name AS projectName, t1.task_id AS taskId,t4.task_name AS taskName
        from xspace_task_material_pre t1
        left join xspace_material_pre t2 on t1.material_id = t2.id
        left join xspace_delivery_project_pre t3 on t1.project_id = t3.id
        left join xspace_delivery_task_pre t4 on t1.task_id = t4.id
        left join xspace_content_position_pre t5 on t1.position_id = t5.id
        <where>
            t1.material_id in
            <foreach close=")" collection="materialIds" item="listItem" open="(" separator=",">
                #{listItem}
            </foreach>
        </where>
        order BY t1.material_id
    </select>

</mapper>

 

 

mapper.java文件

import com.xxx.xx.cms.dal.extdomain.GroupByMaterialDO;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

import java.util.List;

/**
 *
 * @author 
 * @version 2017/12/5 17:38:29
 */
@Mapper
public interface GroupByMaterialMapper {

    /**
     *
     *
     * @param materialIds
     * @return
     */
    List<GroupByMaterialDO> groupByMaterialIds(@Param("materialIds") List<Long> materialIds);
}