打开QFile进行追加

Question

如何打开QFile进行追加,即相当于

FILE *f = fopen("myfile.txt", "a");

Answer 1

以QIODevice::Append模式打开文件:

QFile f(...);
if (f.open(QIODevice::WriteOnly | QIODevice::Append)) {
  ...
}

另请参阅文档.