error: passing 'const QVector' as 'this' argument of 'void QVector::ap

[sdhgood]

QVector<QTime> Time;
double hh = line.mid(15,2).toDouble();
double mm = line.mid(17,2).toDouble();
double ss = line.mid(19,2).toDouble();
double mss = line.mid(22,3).toDouble();
QTime tt (int(hh),int(mm),int(ss),int(mss));
Time.append(tt);//出错
F:\work\zhidong\cpuplot\cpustat.cpp:59: error: passing 'const QVector<QTime>' as 'this' argument of 'void QVector<T>::append(const T&) [with T = QTime]' discards qualifiers [-fpermissive]
Time.append(tt);
^
F:\cpustat.cpp:59: error: invalid user-defined conversion from 'QTime(int, int, int, int)' to 'const QTime&' [-fpermissive]
是什么原因？

[jiqiang01234]

你确定定义的时候没有const？

[赵4老师]

不要纠结各种常量了，这个世界上唯一不变的就是变化。用API WriteProcessMemory还能修改正运行的其它进程的内存里面的所谓常量呢！

[sdhgood]

原因是成员函数加了const了，我在成员函数里更改了成员变量，导致的，多谢你们，I LOVE YOU.