Mybatis(ParameterType)传递多个不同类型的参数方式

public List<ImGroup> selectImGroupListByUserId(@Param("userId")String userId, @Param("group") ImGroup imGroup);

<select id="getXXXBeanList" resultType="XXBean">
　　select t.* from tableName where id = #{userId} and name = #{group.name}  
</select>  

   /**
     * 通过UserId来查询
     * @param imGroup
     * @return
     */
    public List<ImGroup> selectImGroupListByUserId(@Param("userId")String userId, @Param("group") ImGroup imGroup);

 <select id="selectImGroupListByUserId" resultMap="ImGroupResult">
        select g.* from im_group_user gu left join im_group g on gu.group_id=g.group_id
        <where>
            gu.user_id=#{userId}
            <if test="group.userCount != null "> and g.user_count = #{group.userCount}</if>
            <if test="group.groupName != null  and group.groupName != ''"> and g.group_name like concat('%', #{group.groupName}, '%')</if>
            <if test="group.groupIntroduction != null  and group.groupIntroduction != ''"> and g.group_introduction = #{group.groupIntroduction}</if>
            <if test="group.groupPortrait != null  and group.groupPortrait != ''"> and g.group_portrait = #{group.groupPortrait}</if>
            <if test="group.groupOwner != null  and group.groupOwner != ''"> and g.group_owner = #{group.groupOwner}</if>
            <if test="group.groupManager != null  and group.groupManager != ''"> and g.group_manager = #{group.groupManager}</if>
        </where>
    </select>