Qt读取二进制文件

bool MainWindow::openBinaryFile(QString &aFileName)
{//打开二进制文件
QFile aFile(aFileName);  //以文件方式读出
if (!(aFile.open(QIODevice::ReadOnly)))
return false;
QDataStream aStream(&aFile); //用文本流读取文件
aStream.setByteOrder(QDataStream::LittleEndian);
qint16  rowCount,colCount;
aStream.readRawData((char *)&rowCount, sizeof(qint16));
aStream.readRawData((char *)&colCount, sizeof(qint16));
this->resetTable(rowCount);
//获取表头文字,但是并不利用
char *buf;
uint strLen;  //也就是 quint32
for (int i=0;i<colCount;i++)
    {
aStream.readBytes(buf,strLen);//同时读取字符串长度，和字符串内容
QString str=QString::fromLocal8Bit(buf,strLen); //可处理汉字
    }
//获取数据区数据
QStandardItem   *aItem;
qint16  ceShen;
qreal  chuiShen;
qreal  fangWei;
qreal  weiYi;
QString  zhiLiang;
qint8   quYang; //分别代表逻辑值 true和false
QModelIndex index;
for (int i=0;i<rowCount;i++)
    {
aStream.readRawData((char *)&ceShen, sizeof(qint16)); //测深
index=theModel->index(i,0);
aItem=theModel->itemFromIndex(index);
aItem->setData(ceShen,Qt::DisplayRole);
aStream.readRawData((char *)&chuiShen, sizeof(qreal)); //垂深
index=theModel->index(i,1);
aItem=theModel->itemFromIndex(index);
aItem->setData(chuiShen,Qt::DisplayRole);
aStream.readRawData((char *)&fangWei, sizeof(qreal)); //方位
index=theModel->index(i,2);
aItem=theModel->itemFromIndex(index);
aItem->setData(fangWei,Qt::DisplayRole);
aStream.readRawData((char *)&weiYi, sizeof(qreal)); //位移
index=theModel->index(i,3);
aItem=theModel->itemFromIndex(index);
aItem->setData(weiYi,Qt::DisplayRole);
aStream.readBytes(buf,strLen);//固井质量
zhiLiang=QString::fromLocal8Bit(buf,strLen);
index=theModel->index(i,4);
aItem=theModel->itemFromIndex(index);
aItem->setData(zhiLiang,Qt::DisplayRole);
aStream.readRawData((char *)&quYang, sizeof(qint8)); //测井取样
index=theModel->index(i,5);
aItem=theModel->itemFromIndex(index);
if (quYang==1)
aItem->setCheckState(Qt::Checked);
else
aItem->setCheckState(Qt::Unchecked);
    }
aFile.close();
return true;
}