[英]Spring MVC & JSP: How to pass a parameter from the controller to JSP?
[英]How to pass composite key from controller to jsp in spring and hibernate?
我有對象類User.java
@Entity
@Table(name = "UserMst")
public class User implements Serializable{
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long userId;
@Column(name="emailId")
private String emailId;
@Column(name="userName")
private String userName;
@Column(name="address")
private String address;
@Column(name="mobNo")
private BigDecimal mobNo;
@OneToOne(cascade = CascadeType.ALL)
@JoinColumn(name = "deptId")
private Department department;
@OneToOne(cascade = CascadeType.ALL)
@JoinColumn(name = "desgId")
private Designation designation;
@Column(name="grpId")
private int grpId ;
@ManyToOne(fetch=FetchType.LAZY)
@JoinColumns({
@JoinColumn(name = "sk"),
@JoinColumn(name = "pk")})
private Config config ;
@Column(name="upw1")
private String upw1 ;
@Column(name="upw2")
private String upw2 ;
@Column(name="upw3")
private String upw3 ;
@Column(name="createdBy")
private String createdBy ;
@Column(name="creationDate")
private Timestamp creationDate;
@Column(name="loginStatus")
private String loginStatus;
@Column(name="hintId")
private int hintId ;
@Column(name="hintAns")
private String hintAns ;
@Column(name="otp")
private String otp ;
另一個Object Config.java具有復合鍵(sk,pk),它是User對象的外鍵。
@Entity
@Table(name = "config")
public class Config implements Serializable{
private static final long serialVersionUID = 1L;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private String pk;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private String sk;
@Column(name="ds")
private String ds;
@Column(name="value")
private String value;
現在我有了Config的列表,並在存在下拉列表的jsp上傳遞了該列表,並希望將選項值綁定到該復合鍵(sk,pk)
<select name="userLevel" id="lvl_Id" class="form-control" size="0"> <option value="-1">--Select--</option> <c:forEach var="levelList" items="${levelList}"> <option value="<c:out value="${levelList.sk}|${levelList.pk}" />">${levelList.ds}</option> </c:forEach> </select>
有人可以幫我嗎?
提前致謝。
如果要將復合鍵傳遞給控制器端,則可以使用html標簽將數據傳遞到隱藏字段中。
可能是您的問題會解決。
$ {levelList.ds}無論此列表中存儲了什么數據,都會在選擇框中顯示。 因為沒有螞蟻數據,所以這里顯示簡單的“ $ {levelList.ds}”數據。
<select name="userLevel" id="lvl_Id" class="form-control" size="0"> <option value="-1">--Select--</option> <c:forEach var="levelList" items="${levelList}"> <option value="${levelList.sk}|${levelList.pk}">${levelList.ds}</option> </c:forEach> </select>
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.