<?xml version="1.0"?><!DOCTYPE hibernate-mapping PUBLIC ????"-//Hibernate/Hibernate Mapping DTD 3.0//EN" ???"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"><hibernate-mapping package="cn.itcast.d_compositeKey" auto-import="true"> ???<class name="User"> ???????<!-- 复合主键映射 --> ???????<composite-id name="keys"> ???????????<key-property name="userName" type="string"></key-property> ???????????<key-property name="address" type="string"></key-property> ???????</composite-id> ???????<property name="age" type="int"></property> ???????????</class></hibernate-mapping>
hibernate复合主键
原文地址：https://www.cnblogs.com/lxh520/p/8125917.html