可以通过data.isCellularDataEnabled获取数据流量开关按钮状态https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-telephony-data-V5\#dataiscellulardataenabled-1
可以通过data.isCellularDataEnabled获取数据流量开关按钮状态
https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-telephony-data-V5\#dataiscellulardataenabled-1