SSM多表聯合查詢

jsp:

<table border="1" cellpadding="2" cellspacing="1" bgcolor="#D1DDAA"
		align="center" style="margin-top: 8px">
		<tr class="green">
			<!-- s.id,u.name,s.card_type,s.phone,s.record_date -->
			<th>記錄id</th>
			<th>姓名</th>
			<th>持卡類型</th>
			<th>部門名稱</th>
			<th>打卡時間</th>
			<th>聯繫電話</th>
			<th>記錄日期</th>

		</tr>

		<c:forEach items="${ swipeRecordList }" var="sw">
			<tr>
				<td>${sw.id }</td>
				<td>${sw.user.username}</td>
				<td>${sw.cardType }</td>
				<td>${sw.department.dName }</td>
				<td>${sw.swipeTime }</td>
				<td>${sw.phone }</td>
				<td>${sw.recordDate }</td>
			</tr>
		</c:forEach>
	</table>

mapper.xml:

 <select id="selectSwipeRecord" resultMap="BaseResultMaps">
  select  r.id,u.username ,r.card_type,d.d_name,r.swipe_time,r.phone,r.record_date 
  from  201705swipe_record r  
   inner join user  u on  r.phone=u.phone  
   inner join department d on u.department_id=d.d_id 
  </select>
  <resultMap type="com.mole.attendance.po.SwipeRecord" id="BaseResultMaps">
  <id column="id" property="id" jdbcType="INTEGER" />
		<result column="cards_number" property="cardsNumber" jdbcType="VARCHAR" />
		<result column="card_type" property="cardType" jdbcType="VARCHAR" />
		<result column="swipe_time" property="swipeTime"
			jdbcType="VARCHAR" />
		<result column="phone" property="phone" jdbcType="VARCHAR" />
		<result column="image" property="image" jdbcType="VARCHAR" />
		<result column="record_date" property="recordDate" jdbcType="TIMESTAMP" />
		<association property="user" javaType="com.mole.attendance.po.User">
			<id column="id" property="id"  jdbcType="INTEGER"></id>
			<result column="username" property="username" jdbcType="VARCHAR"/>
		</association>
		<association property="department" javaType="com.mole.attendance.po.Department">
			<id column="d_id" property="dId" jdbcType="INTEGER"></id>
			<result column="d_name" property="dName" jdbcType="VARCHAR" />
		</association>
  </resultMap>
  

dao:

 List<SwipeRecord> selectSwipeRecord();

pojo:

public class SwipeRecord {
	private Integer id;

	private String cardsNumber;

	private String cardType;

	private String swipeTime;

	private String phone;

	private String image;

	private Date recordDate;
	 
	private User user;
	private Department department;
	
	public User getUser() {
		return user;
	}

	public void setUser(User user) {
		this.user = user;
	}

	public Department getDepartment() {
		return department;
	}

	public void setDepartment(Department department) {
		this.department = department;
	}

	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {
		this.id = id;
	}

	public String getCardsNumber() {
		return cardsNumber;
	}

	public void setCardsNumber(String cardsNumber) {
		this.cardsNumber = cardsNumber;
	}

	public String getCardType() {
		return cardType;
	}

	public void setCardType(String cardType) {
		this.cardType = cardType;
	}

	public String getSwipeTime() {
		return swipeTime;
	}

	public void setSwipeTime(String swipeTime) {
		this.swipeTime = swipeTime;
	}

	public String getPhone() {
		return phone;
	}

	public void setPhone(String phone) {
		this.phone = phone;
	}

	public String getImage() {
		return image;
	}

	public void setImage(String image) {
		this.image = image;
	}


	public Date getRecordDate() {
		return recordDate;
	}
	public void setRecordDate(Date recordDate) {
		this.recordDate = recordDate;
	}

	@Override
	public String toString() {
		return "SwipeRecord [id=" + id + ", cardsNumber=" + cardsNumber
				+ ", cardType=" + cardType + ", swipeTime=" + swipeTime
				+ ", phone=" + phone + ", image=" + image + ", recordDate="
				+ recordDate + ", user=" + user + ", department=" + department
				+ "]";
	}

	public SwipeRecord() {
		super();
	}

	public SwipeRecord(Integer id, String cardsNumber, String cardType,
			String swipeTime, String phone, String image, Date recordDate,
			User user, Department department) {
		super();
		this.id = id;
		this.cardsNumber = cardsNumber;
		this.cardType = cardType;
		this.swipeTime = swipeTime;
		this.phone = phone;
		this.image = image;
		this.recordDate = recordDate;
		this.user = user;
		this.department = department;
	}

serviceImpl:

@Override
	public List<SwipeRecord> selectSwipeRecord() {
		
		return swipeRecordDao.selectSwipeRecord();
	}

controller:

@RequestMapping("/selectSwipeRecord")
	public String  selectSwipeRecord(HttpServletRequest request,ModelMap modelMap){
		List<SwipeRecord> swipeRecords = swipeRecordService.selectSwipeRecord();
		modelMap.addAttribute("swipeRecordList", swipeRecords);
		return "listAllSwipe";
	}