hibernate 注释配置-优快云博客

本文介绍了一个使用Hibernate框架进行数据库操作的具体实例，包括配置文件、实体类定义及SessionFactory的创建过程。通过示例展示了如何配置数据库连接参数、指定实体类映射，并实现数据的保存。

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配置文件不知道怎么回事老不对，然后网上复制了一个
<?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 >
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="hibernate.connection.password">实体类
package com.isvi.entity;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;







@Entity
@Table(name="test")
public class LocalUser {

	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	private Integer id;
	private Integer loginId;
	private String userName;
	private String email;
	
	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {
		this.id = id;
	}

	public Integer getLoginId() {
		return loginId;
	}

	public void setLoginId(Integer loginId) {
		this.loginId = loginId;
	}

	public String getUserName() {
		return userName;
	}

	public void setUserName(String userName) {
		this.userName = userName;
	}

	public String getEmail() {
		return email;
	}

	public void setEmail(String email) {
		this.email = email;
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		

	}

}
package com.isvi.utils;

import java.util.logging.Logger;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;

import com.isvi.entity.LocalUser;


public class HbnSessionFactory {
	private static Logger logger=Logger.getLogger(HbnSessionFactory.class.getName());
	private static SessionFactory sf;
	static{
		try{
			sf = new AnnotationConfiguration().configure().
			buildSessionFactory();

		}catch(Throwable tr){
			logger.warning("得到SessionFactory失败"+tr);
		}
	}
	public static Session getCurrentSession(){
		return sf.getCurrentSession();
	}
	public static void closeSession(){
		Session session=getCurrentSession();
		if(session!=null){
			session.close();
		}
	}
	public static void main(String[] args) throws Exception {
		Session session=HbnSessionFactory.getCurrentSession();
		session.beginTransaction();
		LocalUser lu=new LocalUser();
		
		lu.setLoginId(1);
		lu.setUserName("helloWorld");
		session.save(lu);
		session.getTransaction().commit();
	
		
	}
}
  </property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/gggtest</property>
        <property name="hibernate.connection.username">root</property>
        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
        <property name="hibernate.hbm2ddl.auto">create-drop</property>
        <property name="show_sql">true</property>
        <property name="current_session_context_class">thread</property>
        <mapping class="com.isvi.entity.LocalUser"/>
    </session-factory>
</hibernate-configuration>