QT_HARMONYOS_APP_LABEL
HarmonyOS 应用程序的标签。
该属性自 Qt 6.12 起引入。
注意：此 属性处于技术预览阶段，未来版本中可能会发生变化。
注意： 仅当目标平台为 HarmonyOS 时，才会使用此 属性。
指定向用户显示的应用程序名称。该属性可接受字面量字符串，或可解析为应用程序资源文件中本地化字符串的$string:<name> 资源引用。在构建HAP包时，该值将写入AppScope/app.json5 文件。
如果未设置此属性，则保留包模板中定义的值。
set_target_properties(myapp PROPERTIES
QT_HARMONYOS_APP_LABEL "My Application"
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