这是一个hibernate 联合主键的例子
package com.bird.entity; import java.io.Serializable; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.IdClass; import javax.persistence.Table; /* * 这是一个hibernate 联合主键的例子 */ @Entity @Table(name = "jc_chnl_group_contri") @IdClass(value = JcChnlGroupContri.class) public class JcChnlGroupContri implements Serializable { private static final long serialVersionUID = 1L; private int channel_id; private int group_id; @Id public int getChannel_id() { return channel_id; } public void setChannel_id(int channel_id) { this.channel_id = channel_id; } @Id public int getGroup_id() { return group_id; } public void setGroup_id(int group_id) { this.group_id = group_id; } }