class ResultModel {
    constructor(data, message) {
      if (typeof data === "string") {
        this.message = data;
        data = null;
        message = null;
      }
      if (data) {
        this.data = data;
      }
  
      if (message) {
        this.message = message;
      }
    }
  }
  
  // 成功模型
  class SuccessResult extends ResultModel {
    constructor(data, message) {
      super(data, message);
      this.errno = 0;
    }
  }
  
  // 失败模型
  class ErrorResult extends ResultModel {
    constructor(data, message) {
      super(data, message);
      this.errno = -1;
    }
  }
  
  module.exports = {
    SuccessResult,
    ErrorResult,
  };