liudianwu:很笼统很朦胧,不知道什么问题!呵呵!帮顶一下!
(2015-01-31 13:44)
//11.txt文件中的内容
0.0 -0.457764-1.2207 4.45557
2.0e-004-1.37329-3.35693-2.59399
4.0e-0044.11987 -3.96729-11.4746
6.0e-0042.44141 -2.28882-3.87573
8.0e-004-4.11987-1.52588-3.14331
1.0e-003-0.457764-4.11987-12.5427
1.2e-003-17.5476-1.37329-10.3455
1.4e-003-1.2207 4.73022-3.78418
1.6e-0030.1525880.152588-6.71387
1.8e-003-0.610352-4.27246-5.92041
/***************************************************************/
QFile file("11.txt");
double a1,a2,a3,a4;
if(!file.open(QIODevice::ReadOnly))
{
cout<<"Open Error"<<endl;
return 0;
}
QTime time;
time.start();
uchar *fptr=file.map(0,file.size());
//接下来该如何从fptr提取提取数据