[讨论]用qt做音乐播放器出西现异常退出 退出代码: -1073741819 [复制链接]

我想用一个label然后让歌词显示在上边然后就出现退出代码: -1073741819



    QString wn(QCoreApplication::applicationDirPath() + "/father.lrc");
    display = new Display(wn);
    ui->verticalLayout->addWidget(display);屏蔽这行代码程序可以正常运行

源码 QMusic0.rar (3077 K) 下载次数:3

1>qplayer.obj : error LNK2019: unresolved external symbol "public: __thiscall Display::Display(class QString const &,class QWidget *)" (??0Display@@QAE@ABVQString@@PAVQWidget@@@Z) referenced in function "public: __thiscall QPlayer::QPlayer(class QWidget *)" (??0QPlayer@@QAE@PAVQWidget@@@Z)