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public class UserAction extends ActionSupport {
private User user;
private UserDao userDao;
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public String save() {
userDao.save(user);
return SUCCESS;
}
public void setUserDao(UserDao userDao) {
this.userDao = userDao;
}
public class User implements Serializable {
private static final long serialVersionUID = -966101986208807450L;
private Long userId;
private String userName;
public User() {
}
public Long getUserId() {
return userId;
}
public void setUserId(Long userId) {
this.userId = userId;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
}
JSP上写一个hidden
<hidden name="user.userId" value="${user.userId}"/>