QTextStream读取坐标

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/* QTextStream读取坐标                                                                     */
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#include <QtCore/QCoreApplication>
#include <QtCore/QTextStream>
#include <QtCore/QFile>
#include <QtCore/QDebug>
#include <iostream>
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QFile file("neican.txt") ;
if (file.open(QFile::ReadOnly|QFile::Text))
{
QTextStream stream(&file) ;
QString line ;
int row = 0 ;
line = stream.readLine() ;
while (!line.isEmpty())
{
QStringList pieces = line.split("," , QString::SkipEmptyParts) ;
std::cout.precision(10) ;
std::cout<<pieces.value(0).toDouble()<<"\t"<<pieces.value(1).toDouble()<<"\t"<<pieces.value(2).toDouble()<<"\n" ;
row++ ;
line = stream.readLine() ;
}

}
return a.exec();
}