为什么程序出错
#ifndef QUERY_H#define QUERY_H
#include <QDialog>
#include <QFile>
#include <QList>
#include <QString>
namespace Ui {
class Query;
}
class Query : public QDialog
{
Q_OBJECT
public:
explicit Query(QWidget *parent = 0);
int readfromfile();
~Query();
private:
Ui::Query *ui;
//QList<QString>stu_lines;//就是这里！！！！
};
#endif // QUERY_H
如图标记的注释行，我注释后就可以运行不然就会提示程序出错如下面；
Starting D:\QT workplace\build-StudentManager-Desktop_Qt_5_9_2_MinGW_32bit-Debug\debug\StudentManager.exe...
程序异常结束。
The process was ended forcefully.
D:\QT workplace\build-StudentManager-Desktop_Qt_5_9_2_MinGW_32bit-Debug\debug\StudentManager.exe crashed.
这是为什么啊??加上这句就报错
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