可参考以下文档:https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/connectivity/nfc/nfc-tag-access-guide.md\#%E5%89%8D%E5%8F%B0%E8%AF%BB%E5%8F%96%E6%A0%87%E7%AD%BE获取NFC B类型Tag对象文档:https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-nfctag-V5\#taggetnfcb9
可参考以下文档:
https://gitee.com/openharmony/docs/blob/master/zh-cn/application-dev/connectivity/nfc/nfc-tag-access-guide.md\#%E5%89%8D%E5%8F%B0%E8%AF%BB%E5%8F%96%E6%A0%87%E7%AD%BE
获取NFC B类型Tag对象文档:
https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-nfctag-V5\#taggetnfcb9