这一段代码错在哪里,执行的时候会出问题
			
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@QString srcimgfilename; 
 QString rawdatafilename;
 QStringList filelist;
 filelist = QFileDialog::getOpenFileNames(this,tr("选择文件"),".",tr("Text files (.txt);;XML files (.xml)"));
 QStringList::const_iterator it = filelist.constBegin();
 while(it != filelist.constEnd())
 {
 leftpointfilename = (*it).toLocal8Bit;
 std::cout<<(*it).toLocal8Bit().constData()<<std::endl;
 ++it;
 rightpointfilename = (*it).toLocal8Bit;
 std::cout<<(*it).toLocal8Bit().constData()<<std::endl;
 }@
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尝试不用iterator,而用更加方便的foreach伪关键字。 
 @
 foreach( QString fileName, filelist )
 {
 std::cout << qPrintable( fileName ) << '\n';
 }
 @
