package com.tiger.domain;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* pojo类
* @author tiger
* @date 2017年11月2日
*/
public class Student {
private Integer id;
private String name;
private List
books;
private String[] skill;
private Set
hobbies;
private Map
cource;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
= name;
}
public List
getBooks() {
return books;
}
public void setBooks(List
books) { this.books = books; } public Set
getHobbies() { return hobbies; } public void setHobbies(Set
hobbies) { this.hobbies = hobbies; } public Map
getCource() { return cource; } public void setCource(Map
cource) { this.cource = cource; } public String[] getSkill() { return skill; } public void setSkill(String[] skill) { this.skill = skill; } public Student(Integer id, String name, List
books, Set
hobbies, Map
cource, String[] skill) { super(); this.id = id; = name; this.books = books; this.hobbies = hobbies; this.cource = cource; this.skill = skill; } public Student() { super(); } @Override public String toString() { return "Student [id=" + id + ", name=" + name + ", books=" + books + ", hobbies=" + hobbies + ", cource=" + cource + ", skill=" + Arrays.toString(skill) + "]"; } } 12520171102 1、list 和 array 需要设置主键，而Map 和 set 不需要设置主键 2、外键所有集合都必须设置。package com.tiger.main; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; import org.hibernate.cfg.Configuration; import com.tiger.domain.Student; public class Main { public static void main(String[] args) { Configuration configuration = new Configuration().configure("hibernate.cfg.xml"); SessionFactory sessionFactory = configuration.buildSessionFactory(); Session session = sessionFactory.openSession(); Transaction transaction = session.beginTransaction(); Student student = new Student(); student.setName("小明"); List
books = new ArrayList<>(); books.add("编程思想"); books.add("编程思想2"); String[] strings = {"敲代码","游泳"}; Set
hobbies = new HashSet
(); hobbies.add("打球"); hobbies.add("看电影"); Map
maps = new HashMap<>(); maps.put("高数", "23"); maps.put("体育", "98"); student.setBooks(books); student.setSkill(strings); student.setCource(maps); student.setHobbies(hobbies); session.save(student); transaction.commit();//事务提交 List
students = session.createQuery(" from Student").list(); System.out.println(students); session.close(); sessionFactory.close(); } }
