<!-- properties 配置文件 -->

    <bean id="propertyConfigurer"

        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

        <property name="locations">

            <array>

                <value>classpath*:app.properties</value>

                <value>classpath*:redis.properties</value>

            </array>

        </property>

        <property name="fileEncoding" value="utf-8"></property>  配置utf-8 编码

    </bean>