host=127.0.0.1

port=8080

@Configuration

@PropertySource("classpath:test.properties")//注意路径

public class TestConfig {

    @Value("${host}")

    private String host;

    @Value("${port}")

    private int port;

    public String getHost() {

        return host;

    }

    public int getPort() {

        return port;

    }

}

@Autowired

private TestConfig testConfig;

public void test() {

    System.out.peintln(testConfig.getHost())

}