Method getPropValue

packages/shell/src/model/setting-field.ts:218–220

* 获取子级属性值 * @param propName 子属性名 * @returns

(propName: string | number)

   * @returns
   */
  getPropValue(propName: string | number): any {
    return this[settingFieldSymbol].getPropValue(propName);
  }

  /**
   * 获取顶层附属属性值