“no matching member function for call to”错误的解答 1. 错误含义 “no matching member function for call to”是一个编译时错误,它表明你尝试调用的成员函数与类中实际定义的任何成员函数都不匹配。这通常意味着你提供的参数类型、数量或顺序与类中声明的任何成员函数都不相符。 2. 可能原因 参数不匹配:调...
解决no matching member function for call to 'connect' 一般出现这个问题表示没有相应的成员函数调用connect; 出现此原因有可能是采用的QT5的信号和槽机智,里面包含的信号或者槽有不同的参数,即二义性 因为这个信号valueChanged有2个参数类型 所以我们现在需要进行强制类型转换 问题消失 写法:static_cast<>() <>...
// 按钮,发送消息 voidMainWindow::on_pushButton_2_clicked() { QString send_msg = ui->textEdit_2->toPlainText();// 获取文本框内容 new_sock->write(send_msg); } 截图: 控制台错误提示: 从控制台的错误提示看出,write 的参数是要 char 类型的,从界面的 textEdit_2 获取的是 QString 类型, ...
否则会出现no matching member function for call to 'connect'这样的报错 建议采用方式一的方式建立信号槽,更容易找到错误 方式一:connect(tcpSocket,&QTcpSocket::disconnected,this,&TcpServer::onClientDisconnected); 方式二:connect(tcpSocket,SIGNAL(disconnected()),this,SLOT(onClientDisconnected()));...
Fails to build. Usingbranch-sync-mcpelauncher-qt6. Probably missing some header? src/mcpelauncher-manifest/libc-shim/src/cstdio.cpp:140:10: error: no matching member function for call to 'insert' Clang 18.1.8: -- The C compiler identification is Clang 18.1.8 ...
Qt同名信号error: no matching member function for call to ‘connect‘解决方法,文章目录1错误呈现2原因3解决1错误呈现原始代码connect(ui->SpinBox1,&QSpinBox::valueChanged,ui->Sli
Trying to build with clang 18.1.8 (on arch linux), one gets a couple of the following errors: Error message /home/jplatte/.cache/paru/clone/mcpelauncher-linux-git/src/mcpelauncher-manifest/libc-shim/src/common.cpp:955:10: error: no matching member function for call to 'insert' ...
main.cpp:31: error: no matching function for call to 'QWebFrame::addToJavaScriptWindowObject(QString, Eh*&)' candidates are: void QWebFrame::addToJavaScriptWindowObject(const QString&, QObject*) This is the source code: #include <string> #include <QtGui/QApplication> #include <QWebFrame>...
striter1.cpp: In function ‘int main()’: striter1.cpp:13: error: no matching function for call to ‘transform(__gnu_cxx::__normal_iterator<char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, __gnu_cxx::__normal_iterator<char*, std::basic_string...
1. extra qualification on member 2. no matching function for call to 3. undefined reference toftp::Filesystem::cleanPathNative 4. cannot convert ‘std::_Bind_helper’ ... to ‘const CloseCallback&’ {aka ‘const std::function<void(const std::shared_ptrmuduo::net::TcpConnection&)>&’}...