自定义yml文件，获取配置参数

操作yml文件依赖

<dependency>
            <groupId>org.yaml</groupId>
            <artifactId>snakeyaml</artifactId>
            <version>1.29</version>
 </dependency>

mqtt链接参数，及读取yml文件工具

public class MqttParamObj {
          
   
    public String mqttBrokerIp;
    public Short mqttBrokerPort;
    public String userName;
    public String password;
    public String mqttClientId;


    public static MqttParamObj readConfigFile(){
          
   
        MqttParamObj mqttParamObj = null;
        File file = new File(System.getProperty("user.dir") + "/MqttParams.yml");
        try {
          
   
            InputStream fileInputStream = new FileInputStream(file);
            if(Objects.nonNull(fileInputStream)){
          
   
                Yaml yaml = new Yaml();
                mqttParamObj = yaml.loadAs(fileInputStream, MqttParamObj.class);

            }
        } catch (FileNotFoundException e) {
          
   
            e.printStackTrace();
        }
        return mqttParamObj;
    }

}

MqttParams.yml 文件位置