Mybatis mapper.xml need query return list<string>

<?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.xinwei.process.dao.RoleServiceTypeMapper" > <resultmap id= "baseresultmap" type= " Com.xinwei.process.entity.RoleServiceType "> <id column=" id "property=" id "jdbctype=" BIGINT "/> <result Column= "role_id" property= "Roleid" jdbctype= "INTEGER"/> <result column= "Service_type" property= "ServiceType" Jdbctype= "VARCHAR"/> </resultMap> <delete id= "Deletebyprimarykey" parametertype= "Java.lang.Long" >Delete from Tb_role_service_type where ID= #{id,jdbctype=BIGINT}</delete> <insert id= "Insert" parametertype= "Com.xinwei.process.entity.RoleServiceType" >INSERT into Tb_role_service_type (ID, role_id, service_type) VALUES (#{id,jdbctype=bigint}, #{roleid,jdbctype=integer}, #{servicetype,jdbctype=VARCHAR}) </insert> <update id= "Updatebyprimarykey" parametertype= "Com.xinwei.process.entity.RoleServiceType" >Update Tb_role_service_type Set role_id= #{roleid,jdbctype=INTEGER}, Service_type= #{servicetype,jdbctype=VARCHAR} where ID= #{id,jdbctype=BIGINT}</update> <select id= "Selectbyprimarykey" resultmap= "Baseresultmap" parametertype= "Java.lang.Long" >Select ID, role_id, service_type from Tb_role_service_type where ID= #{id,jdbctype=BIGINT}</select> <select id= "SelectAll" resultmap= "Baseresultmap" >Select ID, role_id, service_type from Tb_role_service_type</select>

<select id= "Selectservicetypelistbyrole" resulttype= "java.lang.String" >
Select Service_type
From Tb_role_service_type
where role_id = #{roleid,jdbctype=integer}
</select>

</mapper>




Mybatis mapper.xml need query return list<string>