/** * */ package com.laotou99.test1; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; import org.hibernate.boot.registry.StandardServiceRegistryBuilder; import org.hibernate.cfg.Configuration; import org.hibernate.service.ServiceRegistry; import com.laotou99.domain.Test1; import com.laotou99.domain.Test2; /** * @author gjj * */ public class MainTest1 { /** * */ public MainTest1() { // TODO Auto-generated constructor stub } /** * @param args */ public static void main(String[] args) { Configuration conf = new Configuration() .addAnnotatedClass(com.laotou99.domain.Test1.class) .addAnnotatedClass(com.laotou99.domain.Test2.class) .setProperty("hibernate.connection.driver_class","com.MysqL.jdbc.Driver") .setProperty("hibernate.connection.url","jdbc:MysqL://localhost:3306/abc2?" + "useUnicode=true&" + "connectionCollation=utf8_general_ci&" + "characterEncoding=UTF-8") .setProperty("hibernate.connection.username","root") .setProperty("hibernate.connection.password","") .setProperty("hibernate.c3p0.max_size","20") .setProperty("hibernate.c3p0.min_size","1") .setProperty("hibernate.c3p0.timeout","5000") .setProperty("hibernate.c3p0.max_statements","100") .setProperty("hibernate.c3p0.idle_test_period","3000") .setProperty("hibernate.c3p0.acquire_increment","2") .setProperty("hibernate.c3p0.validate","true") .setProperty("hibernate.dialect","org.hibernate.dialect.MysqL5InnoDBDialect") .setProperty("hibernate.hbm2ddl.auto","update"); ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder() .applySettings(conf.getProperties()).build(); SessionFactory sf = conf.buildSessionFactory(serviceRegistry); Session sess = sf.openSession(); Transaction tx = sess.beginTransaction(); Test1 t1 = new Test1(); Test2 t2 = new Test2(); t2.setField1("aabb1"); t2.setField2("aabb2"); t2.setField3("aabb3"); t2.setField4("aabb4"); sess.persist(t2); t1.setField1("aaa"); t1.setField2("aaa"); t1.setField3("aaa"); t1.setField4("aaa"); t1.setField5("aaa"); t1.setField6("aaa"); t1.setField7("aaa"); t1.getTest2().add(t2); sess.save(t1); Test2 t21 = new Test2(); t21.setField1("aa2bb"); t21.setField2("aa2bb"); sess.persist(t21); t1.getTest2().add(t21); // sess.save(t1); tx.commit(); sess.close(); } }
package com.laotou99.domain; import java.util.HashSet; import java.util.Set; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; import javax.persistence.OneToMany; import javax.persistence.Table; @Entity @Table(name="Test1") public class Test1 { @Id @Column(name="test1_id") @GeneratedValue(strategy=GenerationType.IDENTITY) private long id; private String field1; private String field2; private String field3; private String field4; private String field5; private String field6; private String field7; @OneToMany(targetEntity=Test2.class) @JoinColumn(name="test1_id",referencedColumnName="test1_id") private Set<Test2> Test2 = new HashSet<Test2>(); public Set<Test2> getTest2() { return Test2; } public void setTest2(Set<Test2> Test2) { this.Test2 = Test2; } public String getField1() { return field1; } public void setField1(String field1) { this.field1 = field1; } public String getField2() { return field2; } public void setField2(String field2) { this.field2 = field2; } public String getField3() { return field3; } public void setField3(String field3) { this.field3 = field3; } public String getField4() { return field4; } public void setField4(String field4) { this.field4 = field4; } public String getField5() { return field5; } public void setField5(String field5) { this.field5 = field5; } public String getField6() { return field6; } public void setField6(String field6) { this.field6 = field6; } public String getField7() { return field7; } public void setField7(String field7) { this.field7 = field7; } }
package com.laotou99.domain; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.Table; @Entity @Table(name="Test2") public class Test2 { @Id @Column(name="test2_id") @GeneratedValue(strategy=GenerationType.IDENTITY) private long id; private String field1; private String field2; private String field3; private String field4; public String getField1() { return field1; } public void setField1(String field1) { this.field1 = field1; } public String getField2() { return field2; } public void setField2(String field2) { this.field2 = field2; } public String getField3() { return field3; } public void setField3(String field3) { this.field3 = field3; } public String getField4() { return field4; } public void setField4(String field4) { this.field4 = field4; } }原文链接:/xml/293920.html