Spring无配置使用properties文件

利用@PropertySource注解加载

@Configuration

@ComponentScan(basePackages="*")

@PropertySource({"classpath:config.properties"})

//@Import(DataSourceConfig.class)

public class DefaultAppConfig {

    @Bean

    public static PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() {

        return new PropertySourcesPlaceholderConfigurer();

    }

}

利用@Value使用

    @Value("${app.name}")

    private String appName;

    @Value("${app.version}")

    private String appVersion;