利用c3p0配置数据库连接
一.连接mysql数据库

<bean id="dataSource"

class="com.mchange.v2.c3p0.ComboPooledDataSource"


lazy-init="default" autowire="default" dependency-check="default">

<property name="driverClass">


</property>

<property name="jdbcUrl">


</property>

<property name="user">


</property>

<property name="password">


</property>

<property name="minPoolSize">


</property>

<property name="maxPoolSize">


</property>

<property name="initialPoolSize">


</property>

</bean>


class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">

<property name="dataSource">


</property>

<property name="hibernateProperties">


<prop key="hibernate.dialect">

org.hibernate.dialect.MySQLDialect


<prop key="hibernate.show_sql">

false


<prop key="hibernate.generate_statistics">true</prop>

<prop key="hibernate.cache.use_query_cache">


</prop>

<prop key="hibernate.cache.use_second_level_cache">


</prop>

<prop key="hibernate.cache.provider_class">


</prop>

<prop key="hibernate.connection.provider_class">


</prop>

<prop key="hibernate.query.substitutions">


</prop>

<prop


true

</prop>


<prop key="hibernate.prepare_sql">true</prop>

<prop key="hibernate.query.factory_class">


</prop>

</props>



<property name="mappingResources">


<value>xxx/xx/xx.hbm.xml</value>

<value>xxx/xx/xx.hbm.xml</value>


</property>

</bean>


<bean id="dataSource"

class="com.mchange.v2.c3p0.ComboPooledDataSource"


lazy-init="default" autowire="default" dependency-check="default">

<property name="driverClass">


</property>

<property name="jdbcUrl">


</property>

<property name="user">


</property>

<property name="password">


</property>

<property name="minPoolSize">


</property>

<property name="maxPoolSize">


</property>

<property name="initialPoolSize">


</property>

</bean>


<bean id="sessionFactory"

class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">


<ref bean="dataSource"></ref>

</property>


<props>

<prop key="hibernate.dialect">


</prop>

<prop key="hibernate.show_sql">


</prop>

<prop key="hibernate.generate_statistics">true</prop>


true

</prop>


true

</prop>
