Spring自定义配置文件读取类

public class MiceConfig extends PropertyPlaceholderConfigurer {
	// map映射
	private static Map<String, Object> ctxPropertiesMap;

	@Override
	protected void processProperties(
			ConfigurableListableBeanFactory beanFactoryToProcess,
			Properties props) throws BeansException {
		super.processProperties(beanFactoryToProcess, props);
		ctxPropertiesMap = new HashMap<String, Object>();
		for (Object key : props.keySet()) {
			String keyStr = key.toString();
			String value = props.getProperty(keyStr);
			ctxPropertiesMap.put(keyStr, value);
		}
	}

	public static Object getContextProperty(String name) {
		return ctxPropertiesMap.get(name);
	}
}

<bean id="propertyConfigurer" class="org.mice.config.MiceConfig">  
	 	<property name="ignoreResourceNotFound" value="true" /> 
		<property name="locations">  
			<list>  
                 <value>/WEB-INF/classes/dbconfig.properties</value>
                 <value>/WEB-INF/classes/common.properties</value>  
            </list>  
        </property>  
	</bean>