李李要早睡
这家伙很懒，什么也没写
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qt窗口布局程序
QObject::connect(spinBox, SIGNAL(valueChanged(int)), slider, SLOT(setValue(int))); QObject::connect(slider, SIGNAL(valueChanged(int)), spinBox, SLOT(s
建立连接程序
QPushButton*button=newQPushButton("Quit");
QObject::connect(button,SIGNAL(clicked()),
&app;,SLOT(quit()));
button->show();
qt pianter
qt creator #include
#include "widget.h" #include "ui_widget.h" Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui->setupUi(thi