Hibernate 使用 Annotation 1（测试）

Hello World 程序

 

hibernate.cfg.xml配置文件：

 

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

    <session-factory>

        <!-- Database connection settings -->
        <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="connection.url">jdbc:mysql://localhost/hibernate</property>
        <property name="connection.username">root</property>
        <property name="connection.password">root</property>

        <!-- JDBC connection pool (use the built-in) -->
        <property name="connection.pool_size">100</property>

        <!-- SQL dialect -->
        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>

        <!-- Enable Hibernate's automatic session context management -->
        <property name="current_session_context_class">thread</property>

        <!-- Disable the second-level cache  -->
        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>
		
        <!-- Echo all executed SQL to stdout -->
        <property name="show_sql">true</property>
        <property name="format_sql">true</property>
		
        <!-- Drop and re-create the database schema on startup -->
        <!-- <property name="hbm2ddl.auto">create</property>-->
              <mapping class="com.jlee01.helloworld.Login"/>
    </session-factory>

</hibernate-configuration>

 

Login.java 代码：

package com.jlee01.helloworld;

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="T_Login")
public class Login {

	private long id ;
	private String username ;
	private String password ;
	private String address ;
	private String email ;
	
	@Id
	@GeneratedValue(strategy=GenerationType.AUTO)
	public long getId() {
		return id;
	}
	
	public void setId(long id) {
		this.id = id;
	}
	
	@Column(name="USERNAME" , length=60)
	public String getUsername() {
		return username;
	}
	
	public void setUsername(String username) {
		this.username = username;
	}
	
	@Column(name="PASSWORD" , length=60)
	public String getPassword() {
		return password;
	}
	
	public void setPassword(String password) {
		this.password = password;
	}
	
	@Column(name="ADDRESS" , length=120)
	public String getAddress() {
		return address;
	}
	
	public void setAddress(String address) {
		this.address = address;
	}
	
	@Column(name="EMAIL" , length=30)
	public String getEmail() {
		return email;
	}
	
	public void setEmail(String email) {
		this.email = email;
	}
	
}

 

 

LoginTest.java 代码：

package com.jlee01.helloworld;

import junit.framework.TestCase;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.tool.hbm2ddl.SchemaExport;
import org.junit.AfterClass;
import org.junit.BeforeClass;

public class LoginTest extends TestCase {
	
	@BeforeClass
	public void begin(){
		
	}
	
	@AfterClass
	public void end(){
		
	}
	
	public void testLogin(){
		AnnotationConfiguration acfg = new AnnotationConfiguration() ;
		SessionFactory sf = acfg.configure().buildSessionFactory() ;
		Session session = sf.getCurrentSession() ;
		session.beginTransaction() ;
		
		Login login = new Login() ;
		login.setUsername("JLee") ;
		login.setPassword("198791") ;
		login.setAddress("北京") ;
		login.setEmail("444823046@qq.com") ;

		session.save(login) ;
		
		session.getTransaction().commit() ;
		
	}
	
	public void testExport(){
		new SchemaExport(new AnnotationConfiguration().configure()).create(false, true) ;
	}
	
}