no member named ‘exec’ in 没有成员函数,注意你使用的如果是widget界面就会找不到这个函数。需要使用diaglog界面,存在exec()
1,./ui_logindialog.h:150: error: 'class QLineEdit'has no member named 'setPlaceholderText' ./ui_logindialog.h:151: error: 'class QLineEdit'has no member named 'setPlaceholderText' ./ui_logindialog.h:155: error: 'class QLineEdit'has no member named 'setPlaceholderText' 其原因是例子中用...
saddr = sql_query.value(4).toString(); //将数据写入到ui组件ResultView中,如果你的setText报错'class QListView' has no member named 'setText' ui->ResultView->setText('1') //,那么可能是你在选择组件的时候出错了,可以看看我的博客: ui->ResultView->setText(sno+" "+sname+" "+ssex+" "...
按钮myNewButton,但不知何故,它没有被注册。this, SLOT(Foo()));connect(ui->myNewButton, SIGNAL(clicked()), this, SLOT(Foo()));class UI::Viewer has no member named 'myNewB 浏览0提问于2011-06-16得票数 0 回答已采纳 2回答 Qt单击2D pos到3D世界坐标 、、、 我的Qt小部件显示了3D世界。
If your system has multiple choices where one or more is preferred, you can override the preference and order in which they are tried with this environment variable. $setQT_PREFERRED_BINDING=PyQt5#Windows$exportQT_PREFERRED_BINDING=PyQt5#Unix/OSX$ python -c"import Qt;print(Qt.__binding__)...
/app/qBittorrent/src/base/net/downloadmanager.cpp:126:32: error: ‘const class QSslError’ has no member named ‘errorString’ 126 | errorList += error.errorString(); | ^~~~ [45/366] Building CXX object src/base/CMakeFiles/qbt_base.dir/qbt_base_autogen/mocs_compilation.cpp.o FAIL...
还是直接复制随书原码 QMediaPlayer player; player.setVideoOutput(&item); player.setMedia(QUrl::fromLocalFile("../myvideoitem/video.wmv"));都会报错main.cpp:17:12: No member named 'setMedia' in 'QMediaPlayer'想问问如何解决这个问题或者Qt6中setmedia函数的替代是哪个? https:/...
main.cpp: In function ‘int main(int, char**)’: main.cpp:12: error: ‘class QApplication’ has no member named ‘setMainWidget’
(.h)C:\Qt\5.15.2\mingw81_32\bin\uic.exe mywindow.ui -o ui_mywindow.h# 3、g++ 开始编译,以生成目标文件g++ -c -fno-keep-inline-dllexport -g -std=gnu++1z -Wall -Wextra -Wextra -fexceptions -mthreads -DUNICODE -D_UNICODE -DWIN32 -DMINGW_HAS_SECURE_API=1 -DQT_QML_DEBUG -DQT_...
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