配置文件加載的方式

@Component
public class RobotUtils {

    private static String active;

    @Value("${spring.profiles.active}")
    public void setActive(String active){
        RobotUtils.active = active;
    }
}

@Data
@ConfigurationProperties(prefix = "wechat")
@Component
public class WeChatConfig {

    private String tokenUrl;

    private String sendUrl;

    private String grantType;
}

    import org.springframework.core.env.Environment;


    @Resource
    private Environment environment;

    environment.getProperty(key);

    @Value("${wechat.url.token}")
    private String token;