Qt中加载多个txt文件

QVector<QString> files;
void loadFile(){
QFile *file;
for(int i = 1;i < 8;i++){
QString url = ":/txt/"+ QString::number(i) + ".txt";
file = new QFile(url);
file->open(QIODevice::ReadOnly);
QTextStream *in = new QTextStream(file);
QString str = in->readAll();
files.append(str);
}
}