/// 設(shè)置要復(fù)制到粘貼板中的內(nèi)容
@immutable
class ClipboardData {/// Creates data for the system clipboard.const ClipboardData({ this.text });/// Plain text variant of this clipboard data.final String text;
}/// Utility methods for interacting with the system's clipboard.
///對粘貼板進(jìn)行操作的類
class Clipboard {Clipboard._();// Constants for common [getData] [format] types./// Plain text data format string.////// Used with [getData].static const String kTextPlain = 'text/plain';/// Stores the given clipboard data on the clipboard.///將ClipboardData中的內(nèi)容復(fù)制的粘貼板static Future<void> setData(ClipboardData data) async {await SystemChannels.platform.invokeMethod<void>('Clipboard.setData',<String, dynamic>{'text': data.text,},);}/// Retrieves data from the clipboard that matches the given format.////// The `format` argument specifies the media type, such as `text/plain`, of/// the data to obtain.////// Returns a future which completes to null if the data could not be/// obtained, and to a [ClipboardData] object if it could./// 獲得粘貼板中的內(nèi)容，這是個(gè)異步的操作static Future<ClipboardData> getData(String format) async {final Map<String, dynamic> result = await SystemChannels.platform.invokeMethod('Clipboard.getData',format,);if (result == null)return null;return ClipboardData(text: result['text']);}
}
