Shulou(Shulou.com)06/01 Report--

The first example of 3.hibernate-saving objects

The jar packages that need to be imported to use the hibernate framework:

Antlr-2.7.6

Backport-util-concurrent

C3p0-0.9.1

Packages for commons-collections-3.1 apache collection help

Commons-logging-1.1.1 log

Parsing XML by dom4j-1.6.1

Ehcache-1.5.0 caching framework

Hibernate3hibernate core package

Javassist-3.9.0.GA proxy pattern toolkit to solve lazy loading problems

Jta-1.1

Log4j log

Mysql-connector-java-5.1.10-bin database connection

Slf4j-api-1.5.8

Slf4j-log4j12

Person- persistence class

The role of serialization of objects: let objects be transmitted over the network, in binary form * Serializable markup interface * / public class Person implements Serializable {private Long pid; private String pname; private String psex; set,get method}

Mapping file Person.hbm.xml

Profile hibernate.cfg.xml

Root root jdbc:mysql://localhost:3306/hibernateDay01 update true

test

Import org.hibernate.Session;import org.hibernate.SessionFactory;import org.hibernate.Transaction;import org.hibernate.cfg.Configuration;import org.junit.Test; public class PersonTest {@ Test public void testCreateTable () {/ / Test whether the table Configuration configuration = new Configuration (); configuration.configure () will be generated from persistent classes and mapping files in the test database. / / load configuration file 1. The configuration file must be placed under classpath 2 and the name must be hibernate.cfg.xml configuration.buildSessionFactory ();} @ Test public void testSavePerson () {Configuration configuration = new Configuration (); configuration.configure (); SessionFactory factory = configuration.buildSessionFactory (); Session session = factory.openSession (); Transaction transaction = session.beginTransaction () Person person = new Person (); person.setPname ("monitor 2"); person.setPsex ("female"); / * parameters must persist the object * / session.save (person); transaction.commit (); session.close ();}}

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