Hibernate创建数据库表无效
持久化类

package org.crazyit.app.domain;



public class News {

	private Integer id;

	private String title;

	private String content;

	public Integer getId() {

		return id;

	}

	public void setId(Integer id) {

		this.id = id;

	}

	public String getTitle() {

		return title;

	}

	public void setTitle(String title) {

		this.title = title;

	}

	public String getContent() {

		return content;

	}

	public void setContent(String content) {

		this.content = content;

	}

}

hibernate.cfg.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-configuration PUBLIC 

		"-//Hibernate/Hibernate Configuration DTD 3.0//EN"

		"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">



<hibernate-configuration>

	<session-factory>

		

		<property name="connection.driver_class">

			com.mysql.jdbc.Driver

		</property>

		<property name="connection.url">

			jdbc:mysql://localhost:3306/hibernate

		</property>		

		<property name="connection.username">root</property>

		<property name="connection.password">root</property>

		

		<property name="hibernate.c3p0.max_size">20</property>

		<property name="hibernate.c3p0.min_size">1</property>

		

		<property name="hibernate.c3p0.timeout">5000</property>

		<property name="hibernate.c3p0.max_statements">100</property>

		<property name="hibernate.c3p0.idle_test_period">3000</property>

		<property name="hibernate.c3p0.acquire_increment">2</property>

		<property name="hibernate.c3p0.validata">true</property>

		

		<property name="dialect">org.hibernate.dialect.MySQLInnoDBDialect</property>

		<property name="hbm2ddl.auto">update</property>

		

		<mapping resource="org/crazyit/app/domain/News.hbm.xml"></mapping>

	</session-factory>

</hibernate-configuration>

对象关系映射文件

<?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 package="org.crazyit.app.domain">

	<class name="News" table="news_table">

		<id name="id">

			<generator class="identity"></generator>

		</id>

		<property name="title"></property>

		<property name="content"></property>

	</class>

</hibernate-mapping>

创建数据库表
package lee;


import org.crazyit.app.domain.News;
import org.hibernate.Session;
import org.hibernate.cfg.Configuration;

public class NewsManager {
public static void main(String[] args)
{
//读取配置文件hibernate.cfg.xml
Configuration cfg = new Configuration().configure();

//创建SchemaExport实例；
SchemaExport sExport = new SchemaExport(cfg);

//创建数据表项
sExport.create(