--------------------------------------------------------

?????????????????????????????????????????????????????????????????????mysql

--------------------------------------------------------

<?xml version="1.0" encoding="UTF-8"?>
<beans
?xmlns="http://www.springframework.org/schema/beans"
?xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
?xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
?<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
?<property name="url" value="jdbc:mysql://localhost:3306/mytest"></property>
?<property name="username" value="root"></property>
?<property name="password" value="root"></property>
?<property name="maxActive" value="100"></property>
?<property name="maxIdle" value="30"></property>
?<property name="maxWait" value="500"></property>
?<property name="defaultAutoCommit" value="true"></property>
</bean>

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
?<property name="dataSource" ref="dataSource"></property>
?<property name="hibernateProperties">
??<props>
???<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
???<prop key="hibernate.show_sql">true</prop>
??</props>
?</property>
?<property name="mappingResources">
??<list>
???<value>com/test/bean/User.hbm.xml</value>
??</list>
?</property>
</bean>

</beans>

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??????????????????????????????????????????????????????????????????? sql2000

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
?xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
?xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">

?<bean id="bid" class="org.apache.commons.dbcp.BasicDataSource">
??<property name="driverClassName"
???value="com.microsoft.jdbc.sqlserver.SQLServerDriver">
??</property>
??<property name="url"
???value="jdbc:microsoft:sqlserver://localhost:1433;databaseName=zhuche">
??</property>
??<property name="username" value="sa"></property>
??<property name="password" value="123456"></property>
?</bean>
?<bean id="sfid"
??class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
??<property name="dataSource">
???<ref bean="bid" />
??</property>
??<property name="hibernateProperties">
???<props>
????<prop key="hibernate.dialect">
?????org.hibernate.dialect.SQLServerDialect
????</prop>
???</props>
??</property>
??<property name="mappingResources">
???<list>
????<value>com/ywr/ssh/login/bean/Login.hbm.xml</value>
???</list>
??</property>
?</bean>

</beans>

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??????????????????????????????????????????????????????????????????? ?oracle及其他数据库连接

--------------------------------------------------------

?

?加载驱动
//MySql
Class.forName("com.mysql.jdbc.Driver");
//postgresql
Class.forName("org.postgresql.Driver");
//oracle
Class.forName("oracle.jdbc.driver.OracleDriver");