利用c3p0配置数据库连接

最新推荐文章于 2024-09-13 16:17:17 发布

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最新推荐文章于 2024-09-13 16:17:17 发布

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文章标签： Hibernate Bean Oracle MySQL Cache

本文介绍如何使用 C3P0 连接池配置 MySQL 和 Oracle 数据库，并结合 Hibernate 实现数据库操作。包括配置文件示例、连接池参数设置及 Hibernate 相关属性。

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利用c3p0配置数据库连接

一.连接mysql数据库

<beanid="dataSource"

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

destroy-method="close"abstract="false"singleton="true"

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

<propertyname="driverClass">

<value>com.mysql.jdbc.Driver</value>

</property>

<propertyname="jdbcUrl">

<value>jdbc:mysql://192.168.0.1/databasename?useUnicode=true&characterEncoding=utf-8&autoReconnect=true</value>

</property>

<propertyname="user">

<value>username</value>

</property>

<propertyname="password">

<value>password</value>

</property>

<propertyname="minPoolSize">

</property>

<propertyname="maxPoolSize">

</property>

<propertyname="initialPoolSize">

</property>

</bean>

<beanid="sessionFactory"

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

<propertyname="dataSource">

<refbean="dataSource"></ref>

</property>

<propertyname="hibernateProperties">

<props>

<propkey="hibernate.dialect">

org.hibernate.dialect.MySQLDialect

</prop>

<propkey="hibernate.show_sql">

false

</prop>

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

<propkey="hibernate.cache.use_query_cache">

true

</prop>

<propkey="hibernate.cache.use_second_level_cache">

true

</prop>

<propkey="hibernate.cache.provider_class">

net.sf.ehcache.hibernate.EhCacheProvider

</prop>

<propkey="hibernate.connection.provider_class">

org.hibernate.connection.C3P0ConnectionProvider

</prop>

<propkey="hibernate.query.substitutions">

true1,false0,yes'Y',no'N'

</prop>

<prop

key="hibernate.bytecode.use_reflection_optimizer">

true

</prop>

<propkey="hibernate.use_outer_join">true</prop>

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

<propkey="hibernate.query.factory_class">

org.hibernate.hql.ast.ASTQueryTranslatorFactory

</prop>

</props>

</property>

<propertyname="mappingResources">

<list>

</list>

</property>

</bean>

二.连接Oracle数据库

<beanid="dataSource"

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

destroy-method="close"abstract="false"singleton="true"

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

<propertyname="driverClass">

<value>oracle.jdbc.driver.OracleDriver</value>

</property>

<propertyname="jdbcUrl">

<value>jdbc:oracle:thin:@192.168.0.1:1521:orcl</value>

</property>

<propertyname="user">

<value>username</value>

</property>

<propertyname="password">

<value>password</value>

</property>

<propertyname="minPoolSize">

</property>

<propertyname="maxPoolSize">

</property>

<propertyname="initialPoolSize">

</property>

</bean>

<beanid="sessionFactory"

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

<propertyname="dataSource">

<refbean="dataSource"></ref>

</property>

<propertyname="hibernateProperties">

<props>

<propkey="hibernate.dialect">

org.hibernate.dialect.OracleDialect

</prop>

<propkey="hibernate.show_sql">

false

</prop>

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

<propkey="hibernate.cache.use_query_cache">

true

</prop>

<propkey="hibernate.cache.use_second_level_cache">

true

</prop>

<propkey="hibernate.cache.provider_class">

net.sf.ehcache.hibernate.EhCacheProvider

</prop>

<propkey="hibernate.connection.provider_class">

org.hibernate.connection.C3P0ConnectionProvider

</prop>

<propkey="hibernate.query.substitutions">

true1,false0,yes'Y',no'N'

</prop>

<prop

key="hibernate.bytecode.use_reflection_optimizer">

true

</prop>

<propkey="hibernate.use_outer_join">true</prop>

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

<propkey="hibernate.query.factory_class">

org.hibernate.hql.ast.ASTQueryTranslatorFactory

</prop>

</props>

</property>

<propertyname="mappingResources">

<list>

</list>

</property>

</bean>