如何配置c3p0链接池

        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
        </dependency>  
    <!--配置c3p0链接池-->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="com.mysql.cj.jdbc.Driver"/>
        <property name="jdbcUrl" value="jdbc:mysql:///spring?serverTimezone=GMT%2B8"/>
        <property name="user" value="root"/>
        <property name="password" value="root"/>
    </bean>

spring 配置文件中的配置