applicationContext.xml中

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
        <property name="driverClassName">
            <value>com.mysql.jdbc.Driver</value>
        </property>
        <property name="url">
            <value>jdbc:mysql://192.168.1.2:3306/数据库</value>
        </property>
        <property name="username">
            <value>用户名</value>
        </property>
        <property name="password">
            <value>密码</value>
        </property>
    </bean>