PropertyPlaceholderConfig.java 文件源码

/**
 * Load the properties files used in application contexts here
 *
 * @return the initialized instance of the PropertyPlaceholderConfigurer class
 */
@Bean(name="properties")
@Scope(BeanDefinition.SCOPE_SINGLETON)
public PropertyPlaceholderConfigurer conversionService() {
    PropertyPlaceholderConfigurer configurer = new PropertyPlaceholderConfigurer();
    Resource resource1 = new ClassPathResource("application_file_1.properties");
    Resource resource2 = new ClassPathResource("application_file_2.properties");
    configurer.setLocations(resource1, resource2);
    return configurer;
}