//复制的封装
copyC(text) async {
Clipboard.setData(ClipboardData(text: text));
var clipboardData = await Clipboard.getData('text/plain');
if(clipboardData.text != null && clipboardData.text != ''){
Toast.toast(context,msg: "复制成功");
}else{
Toast.toast(context,msg: "暂无内容");
}
}
//调用
copyC("我是要复制的内容");