hibernate简单注释（一）

*****************************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>

<!-- Database connection settings -->
<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">123456</property>

<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>

<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>

<!-- Drop and re-create the database schema on startup -->
<property name="hbm2ddl.auto">create</property>

<!-- Names the annotated entity class -->
<mapping class="com.ij34.dao.New"/>

</session-factory>

</hibernate-configuration>

****************************************************************************************

package com.ij34.dao;

import javax.persistence.*;

@Entity
@Table(name="test01")
public class New {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
private int id;
private String title;
private String content;
public int getId() {
return id;
}
public void setId(int 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;
}


}

*********************************************

package com.ij34.web;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.*;

import com.ij34.dao.New;

public class test01 {
public static void main(String[] args)throws Exception {
//实例化Configuration
Configuration conf=new Configuration().configure();
ServiceRegistry SR=new StandardServiceRegistryBuilder().applySettings(conf.getProperties()).build();
// 以Configuration实例创建SessionFactory实例
SessionFactory SF=conf.buildSessionFactory(SR);
//create session
Session session=SF.openSession();
//start 事务
Transaction tx=session.beginTransaction();
New n=new New();
n.setTitle("hello");
n.setContent("hello world");
session.save(n);
tx.commit();
session.close();
SF.close();
}
}

---

附连sqlserver，hibernate5

<?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>
        <!-- 指定连接数据库所用的驱动 -->
        <property name="connection.driver_class">com.microsoft.sqlserver.jdbc.SQLServerDriver</property>
        <!-- 指定连接数据库的url，其中hibernate是本应用连接的数据库名 -->
        <property name="connection.url">jdbc:sqlserver://localhost:1433;DatabaseName=hibernatedb</property>
        <!-- 指定连接数据库的用户名 -->
        <property name="connection.username">sa</property>
        <!-- 指定连接数据库的密码 -->
        <property name="connection.password">123456</property>
        <!-- 指定连接池里最大连接数 -->
        <property name="hibernate.c3p0.max_size">20</property>
        <!-- 指定连接池里最小连接数 -->
        <property name="hibernate.c3p0.min_size">1</property>
        <!-- 指定连接池里连接的超时时长 -->
        <property name="hibernate.c3p0.timeout">5000</property>
        <!-- 指定连接池里最大缓存多少个Statement对象 -->
        <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.validate">true</property>
        <!-- 指定数据库方言 -->
        <property name="dialect">org.hibernate.dialect.SQLServer2008Dialect</property>
        <property name="hibernate.show_sql">true</property>
        <!-- 根据需要自动创建数据表 -->
        <property name="hbm2ddl.auto">update</property><!--①-->
        <!-- 显示Hibernate持久化操作所生成的SQL -->
        <property name="show_sql">true</property>
        <!-- 将SQL脚本进行格式化后再输出 -->
        <property name="hibernate.format_sql">true</property>
        <!-- 罗列所有持久化类的类名 -->
        <mapping class="com.ij34.dao.News"/>
    </session-factory>
</hibernate-configuration>

package com.ij34.dao;

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


@Entity(name="news")
public class News {
    
    @Id
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    private Integer id;
    @Column(name="title")
    private String title;
    @Column(name="content")
    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;
    }
    

}

package com.ij34.test;


import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.service.ServiceRegistry;

import com.ij34.dao.News;



public class Test {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
       
/*        Configuration cfg = new Configuration()
                .configure();*/
        ServiceRegistry sr = new StandardServiceRegistryBuilder().configure().build();
        SessionFactory sessionfactory = new MetadataSources(sr).buildMetadata().buildSessionFactory();
        //SessionFactory sessionfactory = cfg.buildSessionFactory(serviceregistry);
        Session session = sessionfactory.openSession();
        Transaction tx = session.beginTransaction();
        News news = new News();
        news.setTitle("2018标题");
        news.setContent("201820182018内容内容");
        session.save(news);
        tx.commit();
        session.close();
        sessionfactory.close();
                
    }

}

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.ij34</groupId>
  <artifactId>HibernateQS</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>HibernateQS Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    
        <dependency> 
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-core</artifactId>
      <version>5.1.0.Final</version>
    </dependency>
    
        <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.17</version>
    </dependency>
    
            <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-nop</artifactId>
            <version>1.6.5</version>
        </dependency>
 
        <!-- 添加javassist -->
        <dependency>
            <groupId>javassist</groupId>
            <artifactId>javassist</artifactId>
            <version>3.12.0.GA</version>
        </dependency>
        
        <dependency>
    <groupId>com.microsoft.sqlserver</groupId>
    <artifactId>sqljdbc4</artifactId>
    <version>4.0</version>
   </dependency>

      <dependency>
        <groupId>commons-collections</groupId>
        <artifactId>commons-collections</artifactId>
        <version>3.1</version>
    </dependency>
    
    <dependency>
        <groupId>dom4j</groupId>
        <artifactId>dom4j</artifactId>
        <version>1.6.1</version>
    </dependency>

<dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>ejb3-persistence</artifactId>
    <version>3.3.2.Beta1</version>
</dependency>

<dependency>
    <groupId>org.hibernate.javax.persistence</groupId>
    <artifactId>hibernate-jpa-2.1-api</artifactId>
    <version>1.0.2.Final</version>
</dependency>

<dependency>
    <groupId>org.hibernate.common</groupId>
    <artifactId>hibernate-commons-annotations</artifactId>
    <version>5.0.1.Final</version>
</dependency>

<dependency>
    <groupId>antlr</groupId>
    <artifactId>antlr</artifactId>
    <version>2.7.7</version>
</dependency>

<dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-osgi</artifactId>
    <version>5.1.0.Final</version>
</dependency>

<dependency>
    <groupId>hibernate</groupId>
    <artifactId>hibernate-entitymanager</artifactId>
    <version>3.4.0.GA</version>
    <type>pom</type>
</dependency>

  </dependencies>
  <build>
    <finalName>HibernateQS</finalName>
  </build>
    <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>
</project>