当我编写此代码时:
onSubmit(){
if(csvname.isEmpty){
print('type name');
}else {
File csvFile = new File(csvname + ".csv");
print('yesssss');
}
}
它甚至可以创建一个csv文件吗?
如果是,它将保存在哪里或如何查看?
答案 0 :(得分:1)
它不会与您发布的代码一起保存,请参见this doc。这是有关如何写入本地文件的示例:
Future<String> get _localPath async {
final directory = await getApplicationDocumentsDirectory();
return directory.path;
}
Future<File> get _localFile async {
final path = await _localPath; return File('$path/counter.txt');
}
Future<File> writeCounter(int counter) async {
final file = await _localFile; // Write the file return file.writeAsString('$counter');
}