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<hibernate-mapping package="com.snow.naoke.domain">
<class name="User" table="t_user">
<id name="id">
<generator class="native"/>
</id>
<property name="name"/>
</class>
</hibernate-mapping>
<hibernate-configuration>
<session-factory>
<!-- 数据库信息(连接信息写到spring的配置文件中) -->
<property name="dialect">org.hibernate.dialect.MySQL5Dialect</property>
<!--
<property name="connection.url">jdbc:mysql:///itcastoa_20120216</property>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.username">root</property>
<property name="connection.password">root</property>
-->
<!-- 其他配置 -->
<property name="show_sql">true</property>
<property name="hbm2ddl.auto">update</property>
<!-- 导入映射配置 -->
<mapping resource="com/snow/naoke/domain/User.hbm.xml" />
</session-factory>
</hibernate-configuration>
<!-- 自动扫描与装配bean -->
<context:component-scan base-package="com.snow.naoke"></context:component-scan>
<!-- 加载外部的properties配置文件 -->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 配置数据库连接池(c3p0) -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<!-- 基本信息 -->
<property name="jdbcUrl" value="${jdbcUrl}"></property>
<property name="driverClass" value="${driverClass}"></property>
<property name="user" value="${username}"></property>
<property name="password" value="${password}"></property>
<!-- 其他配置 -->
<!--初始化时获取三个连接,取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
<property name="initialPoolSize" value="3"></property>
<!--连接池中保留的最小连接数。Default: 3 -->
<property name="minPoolSize" value="3"></property>
<!--连接池中保留的最大连接数。Default: 15 -->
<property name="maxPoolSize" value="5"></property>
<!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 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>
<!-- 配置SessionFactory -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="configLocation" value="classpath:hibernate.cfg.xml"></property>
</bean>
<!-- 配置声明式的事务管理(采用基于注解的方式) -->
<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<tx:annotation-driven transaction-manager="transactionManager"/>
package com.snow.naoke.domain;
public class User {
private Long id;
private String name;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
<hibernate-mapping >
<class name="com.snow.naoke.domain.User" table="t_user">
<id name="id">
<generator class="native"/>
</id>
<property name="name"/>
</class>
</hibernate-mapping>