<?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>

         <!-- hibernate的基本信息 -->

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

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

         <property name="connection.driver_class">com.mysql.jdbc.Driver</property>

         <property name="connection.url">jdbc:mysql:///hibernate</property>

         <!-- hibernate的基本配置 -->

         <!-- hibernate使用的数据库方言 -->

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

         <!-- 运行时是否打印sql语句 -->

         <property name="show_sql">true</property>

         <!-- 运行时是否格式化sql -->

         <property name="format_sql">true</property>

         <!-- 生成数据表的策略  这里是更新-->

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

         <!-- 设置hibernate的事务隔离级别 -->

         <property name="connection.isolation">2</property>

         <!-- 配置c3p0数据源 -->

         <property name="hibernate.c3p0.max_size">10</property>

         <property name="hibernate.c3p0.min_size">5</property>

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

         <property name="hibernate.c3p0.timeout">2000</property>

         <property name="hibernate.c3p0.acquire_increment">2000</property>

         <property name="c3p0.max_statements">10</property>

         <!--@里的内容对于mysql是无效的，对于oracle是有效的 -->

         <!--@ 设定JDBC的Statement读取数据的时候每次从数据库中取出的记录条数 -->

         <property name="hibernate.jdbc.fetch_size">100</property>

         <!-- @设定对数据库进行批量删除，批量更新和批量插入的时候的批次大小 -->

         <property name="jdbc.batch_size">30</property>

         <!-- 需要关联的hibernate映射文件 .hbm.xml -->

         <mapping resource="entities/News.hbm.xml"/>

     </session-factory>

 </hibernate-configuration>

 package entities;

 import java.util.Date;

 /**

  * @author zxN

  * @version 创建时间：2016年1月3日 下午2:13:57

  * 类说明

  */

 class News {

     private Integer id;

     private String title;

     private String author;

     private Date date;

     public News() {

         super();

         // TODO Auto-generated constructor stub

     }

     public News( String title, String author, Date date) {

         super();

         this.title = title;

         this.author = author;

         this.date = date;

     }

     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 getAuthor() {

         return author;

     }

     public void setAuthor(String author) {

         this.author = author;

     }

     public Date getDate() {

         return date;

     }

     public void setDate(Date date) {

         this.date = date;

     }

     @Override

     public String toString() {

         return "News [id=" + id + ", title=" + title + ", author=" + author

                 + ", date=" + date + "]";

     }

 }

 <?xml version="1.0"?>

 <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

 <!-- Generated 2015-12-24 15:32:00 by Hibernate Tools 3.4.0.CR1 -->

 <!-- hbm.xml -->

 <hibernate-mapping package="entities">

     <class name="entities.News" table="NEWS">

         <id name="id" type="java.lang.Integer">

             <!-- 列名 -->

             <column name="ID" />

             <!-- 设置主键为自动增长 -->

             <generator class="native"/>

         </id>

         <property name="title" type="java.lang.String">

             <column name="TITLE" />

         </property>

         <property name="author" type="java.lang.String">

             <column name="AUTHOR" />

         </property>

         <property name="date" type="java.util.Date">

             <column name="DATE" />

         </property>

          <!-- 映射大对象 -->

         <!-- 若希望精确映射SQL类型，可以使用sql-type属性 -->

         <property name="content" >

             <column name="CONTENT" sql-type="mediumtext"></column>

         </property>

         <property name="image" type="blob">

             <column name="IMAGE" sql-type="mediumblob"></column>

         </property>

     </class>

 </hibernate-mapping>