<beans><bean id="configBean" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location"><value>db.properties</value></property></bean> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName"><value>${jdbc.driverClassName}</value></property> <property name="url"><value>${jdbc.url}</value></property> <property name="username"><value>${jdbc.username}</value></property> <property name="password"><value>${jdbc.password}</value></property></bean></beans>jdbc.driverClassName=org.hsqldb.jdbcDriverjdbc.url=jdbc:hsqldb:hsql://production:9002jdbc.username=sajdbc.password=root<beans><bean id="configBean" class="org.springframework.beans.factory.config.PropertyOverrideConfigurer"> <property name="location"><value>db.properties</value></property></bean> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName"><value>org.hsqldb.jdbcDriver</value></property> <property name="url"><value>jdbc:hsqldb:hsql://production:9002</value></property> <property name="username"><value>test</value></property> <property name="password"><value>123456</value></property></bean></beans>dataSource.username=admindataSource.password=9527<property name="locations"><list><value>db.properties</value><value>db1.properties</value></list></property>XmlBeanFactory factory = new XmlBeanFactory(new FileSystemResource("beans.xml"));PropertyPlaceholderConfigurer cfg = new PropertyPlaceholderConfigurer();cfg.setLocation(new FileSystemResource("jdbc.properties"));cfg.postProcessBeanFactory(factory);spring如何引用properties文件里的配置,布布扣,bubuko.com
原文：http://www.cnblogs.com/shijiaoyun/p/3895155.html