SpringIOC容器创建操作数据库的框架对象

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


    <context:property-placeholder location="jdbc.properties"></context:property-placeholder>
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="${jdbc.driver}"/>
        <!--设置连接数据库的连接地址-->
        <property name="url" value="${jdbc.url}"/>
        <!--设置连接数据库的用户名-->
        <property name="username" value="${jdbc.username}"/>
        <!--设置连接数据库的密码-->
        <property name="password" value="${jdbc.password}"/>
    </bean>


    <bean class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

</beans>

jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql:///mp?serverTimezone=UTC
jdbc.username=root
jdbc.password=