如果下面部分内容有不明白的可以查找：

基于Annotation的关系映射 前期准备:

基于xml的多对多:

 

Student:

@Entity@Table(name = "student", catalog = "hibernate")public class Student implements java.io.Serializable {	private Integer id;	private String SName;	private Set
    
      teachers;	public Student() {	}	@Id	@GeneratedValue	@Column(name = "id", unique = true, nullable = false)	public Integer getId() {		return this.id;	}	public void setId(Integer id) {		this.id = id;	}	@Column(name = "s_name", nullable = false, length = 45)	public String getSName() {		return this.SName;	}	public void setSName(String SName) {		this.SName = SName;	}	@ManyToMany(cascade=CascadeType.ALL,targetEntity=cn.framelife.hibernate.entity.Teacher.class)	@JoinTable(name="s_t",catalog="hibernate",			joinColumns={@JoinColumn(name="student_id")},			inverseJoinColumns={@JoinColumn(name="teacher_id")}	)/*映射文件方式比较：
             	
              	
              
     */	public Set
     
       getTeachers() {		return teachers;	}	public void setTeachers(Set
      
        teachers) {		this.teachers = teachers;	}}
      
     
    

 

Teacher:

@Entity@Table(name = "teacher", catalog = "hibernate")public class Teacher implements java.io.Serializable {	private Integer id;	private String TName;	private Set
    
      students;	public Teacher() {	}	@Id	@GeneratedValue	@Column(name = "id", unique = true, nullable = false)	public Integer getId() {		return this.id;	}	public void setId(Integer id) {		this.id = id;	}	@Column(name = "t_name", nullable = false, length = 45)	public String getTName() {		return this.TName;	}	public void setTName(String TName) {		this.TName = TName;	}	@ManyToMany(cascade=CascadeType.ALL,targetEntity=cn.framelife.hibernate.entity.Student.class)	@JoinTable(name="s_t",catalog="hibernate",			joinColumns={@JoinColumn(name="teacher_id")},			inverseJoinColumns={@JoinColumn(name="student_id")}	)	public Set
     
       getStudents() {		return students;	}	public void setStudents(Set
      
        students) {		this.students = students;	}}