PropertyPlaceholder.java 文件源码

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