object references an unsaved transient instance - save the transient instance before flushing:
2016-12-12 15:01
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项目情况:
1.使用模板:HibernateDaoSupport
2.关系:一对多
在做本地测试的时候,是只保存了 "一"这个对象,没有保存“多”。所有报此错。
两个对象保存部分先后。
ApplicationContext ctx = new ClassPathXmlApplicationContext("hello.xml");
IUserDao ud = (IUserDao)ctx.getBean("userDao");
IHeadMasterDao hd = (IHeadMasterDao)ctx.getBean("headMasterDao");
User user = new User();
user.setUsername("张三丰");
user.setNickname("丰丰");
user.setEmail("ff@qq.com");
ud.add(user);
Set<User> users = new HashSet<User>();
users.add(user);
Headmaster headmaster = new Headmaster();
headmaster.setHname("张三");
headmaster.setUsers(users);
hd.add(headmaster);
1.使用模板:HibernateDaoSupport
2.关系:一对多
在做本地测试的时候,是只保存了 "一"这个对象,没有保存“多”。所有报此错。
两个对象保存部分先后。
ApplicationContext ctx = new ClassPathXmlApplicationContext("hello.xml");
IUserDao ud = (IUserDao)ctx.getBean("userDao");
IHeadMasterDao hd = (IHeadMasterDao)ctx.getBean("headMasterDao");
User user = new User();
user.setUsername("张三丰");
user.setNickname("丰丰");
user.setEmail("ff@qq.com");
ud.add(user);
Set<User> users = new HashSet<User>();
users.add(user);
Headmaster headmaster = new Headmaster();
headmaster.setHname("张三");
headmaster.setUsers(users);
hd.add(headmaster);
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