首先配置User.hbm.xml

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE hibernate-mapping PUBLIC"-//Hibernate/Hibernate Mapping DTD 3.0//EN""http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"><hibernate-mapping><class name="star.july.c_collection.NewUser" table="c_user"><!-- 主鍵 --><id name="id" column="uid" ><!-- 用戶自己設定 --><!-- <generator class="assigned"></generator> --><!-- 數據庫自己創建 --><generator class="native"></generator></id><property name="name" column="uname"></property><set name="address" table="t_address_set"><!-- 外鍵 --><key column="uid"></key><!--type:數據存放類型address：集合的數據存放字段--><element type="string" column="address"></element></set><!-- List集合index: List的索引，用于取出數據的排序--><list name="addressList" table="t_address_list"><key column="uid"></key><!-- column的名稱一定不能使index --><index column="inx"></index><element type="string" column="address"></element></list><!-- Map集合map-key:Map集合中的 key--><map name="addressMap" table="t_address_map"><key column="uid"></key><map-key column="mk" type="string"></map-key><element type="string" column="address"></element> </map></class></hibernate-mapping>
然后創建實體類：

package star.july.c_collection; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; public class NewUser {private int id;private String name;//收貨地址private Set<String> address = new HashSet<String>();//list集合private List<String> addressList = new ArrayList<String>();//Map集合private Map<String,String> addressMap = new HashMap<String,String>();public Map<String, String> getAddressMap() {return addressMap;}public void setAddressMap(Map<String, String> addressMap) {this.addressMap = addressMap;}public List<String> getAddressList() {return addressList;}public void setAddressList(List<String> addressList) {this.addressList = addressList;}public int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public Set<String> getAddress() {return address;}public void setAddress(Set<String> address) {this.address = address;}@Overridepublic String toString() {return "NewUser [id=" + id + ", name=" + name + ", address=" + address+ ", addressList=" + addressList + ", addressMap=" + addressMap+ "]";}}

Set集合測試：

package star.july.c_collection; import java.util.Set; import org.hibernate.Session; import org.hibernate.Transaction; import org.junit.Test; import star.july.util.HibernateUtil; //set集合 public class SetDemo {//添加@Testpublic void test1(){Session session = HibernateUtil.getSession();//獲取事務對象Transaction ts = session.getTransaction();try{ts.begin();//創建對象NewUser u = new NewUser();// u.setId(3);u.setName("小年");u.getAddress().add("廣州");u.getAddress().add("天河"); session.save(u);ts.commit();HibernateUtil.close(session);}catch(Exception e){e.printStackTrace();ts.rollback();}}//查詢@Testpublic void test2(){Session session = HibernateUtil.getSession();//獲取事務對象Transaction ts = session.getTransaction();try{ts.begin();//查詢會員NewUser u = (NewUser)session.get(NewUser.class, 1);//查詢收貨地址Set<String> address = u.getAddress();System.out.println(u.getName()+"的收貨地址");for(String s : address){System.out.println(s);}ts.commit();HibernateUtil.close(session);}catch(Exception e){e.printStackTrace();ts.rollback();}}//修改@Testpublic void test3(){Session session = HibernateUtil.getSession();//獲取事務對象Transaction ts = session.getTransaction();try{ts.begin();//先查詢會員NewUser u = (NewUser)session.get(NewUser.class, 1);//再修改u.getAddress().remove("天河");u.getAddress().add("佛山");ts.commit();HibernateUtil.close(session);}catch(Exception e){e.printStackTrace();ts.rollback();}} }

List集合測試：

package star.july.c_collection; import java.util.List; import org.hibernate.Session; import org.hibernate.Transaction; import org.junit.Test; import star.july.util.HibernateUtil; //List集合 public class ListDemo {//添加@Testpublic void test1(){Session session = HibernateUtil.getSession();//獲取事務對象Transaction ts = session.getTransaction();try{ts.begin();//創建對象NewUser u = new NewUser();u.setId(1);u.setName("小年");u.getAddressList().add("大良");u.getAddressList().add("樂從");u.getAddressList().add("龍江");session.save(u);ts.commit();HibernateUtil.close(session);}catch(Exception e){e.printStackTrace();ts.rollback();}}//查詢@Testpublic void test2(){Session session = HibernateUtil.getSession();//獲取事務對象Transaction ts = session.getTransaction();try{ts.begin();//查詢會員NewUser u = (NewUser)session.get(NewUser.class, 2);//查詢收貨地址List<String> address = u.getAddressList();System.out.println(u.getName()+"的收貨地址");for(String s : address){System.out.println(s);}ts.commit();HibernateUtil.close(session);}catch(Exception e){e.printStackTrace();ts.rollback();}}//修改@Testpublic void test3(){Session session = HibernateUtil.getSession();//獲取事務對象Transaction ts = session.getTransaction();try{ts.begin();//先查詢會員NewUser u = (NewUser)session.get(NewUser.class, 2);//再修改//通過索引來修改u.getAddressList().set(2, "杏壇");u.getAddressList().remove(0);ts.commit();HibernateUtil.close(session);}catch(Exception e){e.printStackTrace();ts.rollback();}} }

Map集合測試：

package star.july.c_collection; import java.util.Map; import java.util.Map.Entry; import java.util.Set; import org.hibernate.Session; import org.hibernate.Transaction; import org.junit.Test; import star.july.util.HibernateUtil; //Map集合 public class MapDemo {//添加@Testpublic void test1(){Session session = HibernateUtil.getSession();//獲取事務對象Transaction ts = session.getTransaction();try{ts.begin();//創建對象NewUser u = new NewUser();u.setId(1);u.setName("小莫");u.getAddressMap().put("lc","樂從");u.getAddressMap().put("dl","大良");u.getAddressMap().put("lj","龍江");session.save(u);ts.commit();HibernateUtil.close(session);}catch(Exception e){e.printStackTrace();ts.rollback();}}//查詢@Testpublic void test2(){Session session = HibernateUtil.getSession();//獲取事務對象Transaction ts = session.getTransaction();try{ts.begin();//查詢會員NewUser u = (NewUser)session.get(NewUser.class, 3);//查詢收貨地址Map<String,String> address = u.getAddressMap();Set<Entry<String, String>> entrySet = address.entrySet();System.out.println(u.getName()+"的收貨地址");for(Entry<String,String> s : entrySet){System.out.println(s.getKey()+":"+s.getValue());}ts.commit();HibernateUtil.close(session);}catch(Exception e){e.printStackTrace();ts.rollback();}}//修改@Testpublic void test3(){Session session = HibernateUtil.getSession();//獲取事務對象Transaction ts = session.getTransaction();try{ts.begin();//先查詢會員NewUser u = (NewUser)session.get(NewUser.class, 3);//通過key刪除u.getAddressMap().remove("lj");ts.commit();HibernateUtil.close(session);}catch(Exception e){e.printStackTrace();ts.rollback();}} }

總結

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