hibernate对象关系映射案例demo

package com.jl.nyxy.controller; import com.alibaba.fastjson2.JSONArray; import com.jl.nyxy.dao.PersonDao; import com.jl.nyxy.pojo.Person; import org.hibernate.Session; import org.hibernate.query.Query; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.orm.hibernate5.HibernateTemplate; import org.springframework.test.annotation.Rollback; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import javax.transaction.Transactional; import java.util.List; @RestController @RequestMapping("person") public class PersonController { // @Autowired // HibernateTemplate hibernateTemplate; @Autowired private PersonDao personDao; @RequestMapping("add") public String add(Person person){ personDao.insertUsers(person); return "success"; } /** * 更新用户 */ @Transactional @RequestMapping("upd") @Rollback(false) public String upd(Person person){ // person.setPersonPhone("11"); // List p = hibernateTemplate.findByExample(person);//不支持主键查询,如果设置查询的条件为主键id的话，那么查询的条件则为where 1=1查出全部 // Person person1 = hibernateTemplate.get(Person.class, 7); person.setId(7); person.setContactText("赵六的个人信息2"); person.setPersonName("赵六2"); person.setPersonPhone("123456789"); person.setPersonEmail("zhaoliu@email.com"); personDao.updateUsers(person); return "update success"; } /** * 删除用户 * @param person * @return */ @Transactional @RequestMapping("delete") @Rollback(false) public String delete(Person person){ person.setId(5); personDao.deleteUsers(person); return "delete success"; } @RequestMapping("findAll") public List<Person> findAll(Person person){ List<Person> persons= personDao.findAllPersons(person); return persons; } @RequestMapping("findByName") public List<Person> findByName(){ Person person = new Person(); person.setPersonName("赵六"); List<Person> persons= personDao.findAllPersons(person); return persons; } /** * Criteria 查询所有demo * @param person * @return */ @RequestMapping("findAllForCri") public List<Person> findAllForCri(Person person){ List<Person> persons= personDao.findAllPersonsForCriteria(person); return persons; } /** * get and load */ @RequestMapping("getDemo") public String getDemo(){ personDao.getDemo(); //get // personDao.loadDemo(); return "success"; } /** * 懒加载 */ @RequestMapping("lazyDemo") public String lazyDemo(){ Person person = personDao.getPersonById(2); String s = JSONArray.toJSONString(person); System.out.println(s); return "success"; } }