实体类注解可以为空

@JsonIgnoreProperties(ignoreUnknown = true)

public class FundDetail {



	private static final long serialVersionUID = -2698868530610612322L;

	private User user;

	private Project project;



	@ManyToOne(fetch = FetchType.LAZY)

	@JoinColumn(name = "user_id", nullable = false)

	@JsonIgnoreProperties(value = { "hibernateLazyInitializer", "handler" })

	public User getUser() {

		return this.user;

	}



	public void setUser(User user) {

		this.user = user;

	}

	@ManyToOne(fetch = FetchType.LAZY)

	@JoinColumn(name = "project_id")

	@JsonIgnoreProperties(value = { "hibernateLazyInitializer", "handler" })

	public Project getProject() {

		return this.project;

	}



	public void setProject(Project project) {

		this.project = project;

	}





	@Transient

	public String getUserName() {

		return user.getName();

	}



	@JsonIgnore

	@Transient

	public String getProjectName() {

		return project.getName();

	}