HarmonyOS 如何获取系统的版本号

可以使用 deviceInfo 的方法 获取

let softwareModelInfo: string = deviceInfo.softwareModel;
console.info('the value of the deviceInfo softwareModel is :' + softwareModelInfo);

let majorVersionInfo: number = deviceInfo.majorVersion;
console.info('the value of the deviceInfo majorVersion is :' + majorVersionInfo);

let seniorVersionInfo: number = deviceInfo.seniorVersion;
console.info('the value of the deviceInfo seniorVersion is :' + seniorVersionInfo);

let featureVersionInfo: number = deviceInfo.featureVersion;
console.info('the value of the deviceInfo featureVersion is :' + featureVersionInfo);

let buildVersionInfo: number = deviceInfo.buildVersion;
console.info('the value of the deviceInfo buildVersion is :' + buildVersionInfo);

相关指南详情链接 ： 【 https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-device-info-V5 】