SpringBoot获取配置文件内容的方法

  public static void main(String[] args) {
        SpringApplication app = new SpringApplication(Application.class);
        Environment env = app.run(args).getEnvironment();
        String protocol = "http";
        if (env.getProperty("server.ssl.key-store") != null) {
            protocol = "https";
        }
        String hostAddress = "localhost";
        try {
            hostAddress = InetAddress.getLocalHost().getHostAddress();
        } catch (Exception e) {
            log.warn("The host name could not be determined, using `localhost` as fallback");
        }
        log.info("\n----------------------------------------------------------\n\t" +
                        "Application '{}' is running! Access URLs:\n\t" +
                        "Local: \t\t{}://localhost:{}\n\t" +
                        "External: \t{}://{}:{}\n\t" +
                        "Profile(s): \t{}\n----------------------------------------------------------",
                env.getProperty("spring.application.name") == null ? "UNNAMED" : env.getProperty("spring.application.name"),
                protocol,
                env.getProperty("server.port") == null ? "8080" : env.getProperty("server.port"),
                protocol,
                hostAddress,
                env.getProperty("server.port") == null ? "8080" : env.getProperty("server.port"),
                env.getActiveProfiles().length == 0 ? "[default]" : env.getActiveProfiles());
    }