菜鸟学SSH（十二）——Hibernate与Spring配合生成表结构

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>oa_01</display-name>
  
  <!-- 配置Spring用于初始化容器对象的监听器 -->
  <listener>
      <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <context-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:applicationContext*.xml</param-value>
  </context-param>
  
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
                http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
                http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">

    <!-- 自动扫描与装配bean -->
    <context:component-scan base-package="com.tgb.oa"></context:component-scan>
    
    <!-- 导入外部的properties文件 -->
    <context:property-placeholder location="classpath:jdbc.properties"/>
    
    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <!-- 指定hibernate配置文件的位置 -->
        <property name="configLocation" value="classpath:hibernate.cfg.xml"></property>
        <!-- 配置c3p0数据库连接池 -->
        <property name="dataSource">
            <bean class="com.mchange.v2.c3p0.ComboPooledDataSource">
                <!-- 数据连接信息 -->
                <property name="jdbcUrl" value="jdbc:mysql://127.0.0.1:3307/myoa"></property>
                <property name="driverClass" value="com.mysql.jdbc.Driver"></property>
                <property name="user" value="root"></property>
                <property name="password" value="123456"></property>
                
                <!-- 初始化时获取三个连接（取值应在minPoolSize与maxPoolSize之间。默认值: 3） -->
                <property name="initialPoolSize" value="3"></property>
                <!-- 连接池中保留的最小连接数，默认值：3 -->
                <property name="minPoolSize" value="3"></property>
                <!-- 连接池中保留的最大连接数，默认值：15 -->
                <property name="maxPoolSize" value="5"></property>
                <!-- 当连接池中的连接数耗尽的时候，c3p0一次同时获取的连接数，默认值：3 -->
                <property name="acquireIncrement" value="3"></property>
                <!-- 控制数据源内加载的PreparedStatements数量。如果maxStatements与maxStatementsPerConnection均为0，则缓存被关闭。Default: 0 -->
                <property name="maxStatements" value="8"></property>
                <!--maxStatementsPerConnection定义了连接池内单个连接所拥有的最大缓存statements数。Default: 0 -->
                <property name="maxStatementsPerConnection" value="5"></property>
                <!--最大空闲时间,1800秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
                <property name="maxIdleTime" value="1800"></property>
            </bean>
        </property>        
    </bean>
    
    
</beans>

<?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="dialect">
            org.hibernate.dialect.MySQL5InnoDBDialect
        </property>
        
        <property name="show_sql">true</property>
        <property name="hbm2ddl.auto">update</property>
        
        <mapping resource="com/tgb/oa/domain/User.hbm.xml"/>
        
    </session-factory>
</hibernate-configuration>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="com.tgb.oa.domain">

    <class name="User" table="T_User">
        <id name="id">
            <generator class="native"/>
        </id>
        <property name="name" />
    </class>
    
</hibernate-mapping>

package com.tgb.oa.domain;

public class User {

    private String name;
    private  Long id;
    
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public Long getId() {
        return id;
    }
    public void setId(Long id) {
        this.id = id;
    }
    
    
}