通过@Value注解读取.properties配置内容

@Controller@RequestMapping("/value")public class ValuePropertyController extends ApplicationController{    @Value("#{configProperties['jdbc.jdbcUrl']}")private String jdbcUrl; @RequestMappingpublic String value(){System.out.println(jdbcUrl);return "";}}

applicationContext.xml

<bean id="configProperties" class="org.springframework.beans.factory.config.PropertiesFactoryBean">       <property name="locations">           <list>               <value>classpath:database.properties</value>           </list>       </property>    </bean>    <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PreferencesPlaceholderConfigurer">        <property name="properties" ref="configProperties" />    </bean>

database.properties

jdbc.jdbcUrl=jdbc:mysql://localhost:3306/commentDemo?useUnicode=true&characterEncoding=UTF-8