1.实现效果
2.UI界面设计
3.mainwindow.h
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
namespace Ui {
class MainWindow;
}
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
explicit MainWindow(QWidget *parent = 0);
~MainWindow();
public slots:
void print_s();
private:
Ui::MainWindow *ui;
};
#endif // MAINWINDOW_H
4.mainwindow.cpp
#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
QObject::connect(ui->comboBox,SIGNAL(currentIndexChanged(QString)),this,SLOT(print_s()));
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::print_s()
{
if(ui->comboBox->currentIndex()==0)
{
ui->lineEdit->setText("校准模式1");
}
if(ui->comboBox->currentIndex()==1)
{
ui->lineEdit->setText("校准模式2");
}
if(ui->comboBox->currentIndex()==2)
{
ui->lineEdit->setText("校准云图模式");
}
}
5.main.cpp
#include "mainwindow.h"
#include <QApplication>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}