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分享int fd;
fd = open("test.bin", O_RDWR);
size = read(fd, content, 512);
cout << size << endl;unsigned char content[1024];
QFile *file = new QFile();
file->setFileName("test.bin");
file->open(QIODevice::ReadOnly);
QByteArray data;
int size = 0;
while(!file->atEnd()) {
data = file->read(512);
size += data.size();
QString str = myHelper::ByteArrayToHexStr(data);
ui->textEdit->append(str);
cout << size << endl;
//file->close();
}