<select id="selectByPrimaryKeyByArrayMemberId"  resultType="memberModel" parameterType="Long">
           select 
           <include refid="Base_Column_List"/>
              from member m
           where
           m.IS_DELETE = ‘N‘
           and m.member_id IN
           <
 
foreach item="item" index="index" collection="list" open="(" separator="," close=")">  
             #{item,jdbcType=DECIMAL}  
        </foreach>
    </select>

public ServiceMessage<List<Member>> selectByPrimaryKeyByArrayMemberId(
            List<Long> memberIds)
    {
        
 
try
        {
            if (memberIds == null || memberIds.size()==0){
                return super.returnParamsError("參數為空！");
            }
            List<Member> list = memberMapper
            .selectByPrimaryKeyByArrayMemberId(memberIds);
            return super.returnCorrectResult(list);
        }
        
 
catch (Throwable e)
        {
            return super.returnException(e);
        }
    }

    public ServiceMessage<List<Member>> selectByPrimaryKeyByArrayMemberId(List<Long> memberIds);

    List<Member> selectByPrimaryKeyByArrayMemberId(List<Long> memberIds);

    @Test
    public void testSelectByPrimaryKeyByArrayMemberId()
    {
        InternalMemberService internalMemberService = J1SOAHessianHelper.getService(url,InternalMemberService.class);
        List<Long> memberIds = new ArrayList<Long>();
        memberIds.add(1l);
        memberIds.add(2l);
        memberIds.add(1855l);
        ServiceMessage<List<Member>> sm = internalMemberService.selectByPrimaryKeyByArrayMemberId(memberIds);
        System.out.println(sm.getResult());
    }

mybatis 之parameterType="Long"