hibernate自动创建表

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">

<!-- Generated by MyEclipse Hibernate Tools. -->
<hibernate-configuration>

	<session-factory>
		<property name="hbm2ddl.auto">update</property>
		<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
		<property name="connection.url">jdbc:mysql://192.168.1.213:3306/cclj</property>
		<property name="connection.username">root</property>
		<property name="connection.password">root</property>
		<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
		<property name="myeclipse.connection.profile">localhost-MySql</property>
		<property name="format_sql">true</property>
                
                <!--采用annotation方式-->
		<mapping class="com.relonger.cclj.bean.Car" />
		<mapping class="com.relonger.cclj.bean.Message" />

	</session-factory>

</hibernate-configuration>

测试代码写法
import org.hibernate.cfg.AnnotationConfiguration;
import org.hibernate.tool.hbm2ddl.SchemaExport;
import org.junit.Test;

public class CreateTable {
	@Test
	public void testUnidirectionalMany_To_One(){
		//Configuration cf=new Configuration().configure();//配置文件方式
		AnnotationConfiguration cf = new AnnotationConfiguration().configure();//注解方式
		SchemaExport ct=new SchemaExport(cf);
		ct.create(true, true); 
	}
}