QFile 如何使用 [复制链接]

    QString src("words.txt");
    QFile wordsFile(src);
    
    if(!wordsFile.open(QIODevice::ReadOnly))
    {
        qDebug()<<"open file error";
    }
    my_words = wordsFile.readLine();
    qDebug()<<"the words are:"<<my_words<<"\n";

我现在只是想读出点东西就行 但是就是读不出来 也没用过 希望用过的朋友教教我怎么写
    

                QFile file("words.txt");
                if(file.exists() && file.open(QIODevice::ReadOnly))
                {
                        while(!file.atEnd())    //or you can use QByteArray ba = file.readAll();
                        {
                            QByteArray ba = file.readLine();
                        }
                    
                 }

谢谢版主 呵呵