spring EL

applicationContext.xml 설정과 사용
<!-- context:property-placeholder location="classpath:spring/db.properties" /--> <util:properties id="db" location="classpath:spring/config.properties"/> <!-- ======================================================================== DataSource ======================================================================== <bean id="dataSource" class="org.springframework.jdbc.datasource.SimpleDriverDataSource"> <property name="driverClass" value="${db.driverclassname}" /> <property name="url" value="${db.url}" /> <property name="username" value="${db.username}" /> <property name="password" value="${db.password}" /> </bean> --> <bean id="dataSource" class="org.springframework.jdbc.datasource.SimpleDriverDataSource"> <property name="driverClass" value="#{db['db.driverclassname']}" /> <property name="url" value="#{db['db.url']}" /> <property name="username" value="#{db['db.username']}" /> <property name="password" value="#{db['db.password']}" /> </bean>

java에서 사용
@Value("#{db['db.driverclassname']}") private String defaultString;

jsp 에서 사용
<spring:eval expression="@db['db.username']" />