code

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import org.hibernate.annotations.Type;@Entitypublic class Topic {private Category category ;private int id;private String msg;private String name;private String title;private User user ;@ManyToOne@JoinColumn(name="category_Id",referencedColumnName="id")public Category getCategory() {return category;}@Id@GeneratedValuepublic int getId() {return id;}@Lob@Type(type="text")public String getMsg() {return msg;}public String getName() {return name;}public String getTitle() {return title;}@ManyToOne //默认为eager 记住lazy@JoinColumn(name="user_Id",referencedColumnName="id")public User getUser() {return user;}public void setCategory(Category category) {this.category = category;}public void setId(int id) {this.id = id;}public void setMsg(String msg) {this.msg = msg;}public void setName(String name) {this.name = name;}public void setTitle(String title) {this.title = title;}public void setUser(User user) {this.user = user;}


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