(:з」∠)本人新手,前两天刚刚接触了Qt,今天想试试能不能做出弹出窗口,很幸运,成功弹出窗口,不过不知道为啥窗口刚刚出现就消失了,,,有没有大神可以帮下忙呢~~~谢谢啦,第一次发帖。。。。
dialog.h文件:
#ifndef DIALOG_H
#define DIALOG_H
#include <QDialog>
#include<QLabel>
namespace Ui {
class Dialog;
}
class Dialog : public QDialog
{
Q_OBJECT
public:
explicit Dialog(QWidget *parent = 0);
~Dialog();
private:
Ui::Dialog *ui;
QLabel *label;
};
#endif // DIALOG_H
mainwindow.h文件:
#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();
private:
Ui::MainWindow *ui;
private slots:
void push();
};
#endif // MAINWINDOW_H
main.cpp文件:
#include "mainwindow.h"
#include <QApplication>
#include "dialog.h"
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}
dialog.cpp文件:
#include "dialog.h"
#include "ui_dialog.h"
#include<QGridLayout>
#include<windows.h>
Dialog::Dialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::Dialog)
{
ui->setupUi(this);
label = new QLabel("label1");
QGridLayout *layout = new QGridLayout(this);
// Sleep(5000);
label->show();
// Sleep(5000);
}
Dialog::~Dialog()
{
// Sleep(5000);
delete ui;
}
mainwindow.cpp文件
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include"dialog.h"
#include<QPushButton>
#include<windows.h>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
connect(ui->button1,SIGNAL(clicked()),this,SLOT(push()));
}
MainWindow::~MainWindow()
{
delete ui;
}
int times=1;
void MainWindow::push(){
for(long int i=0;i<times;i++)
{
QString temStr = ui->line->text();
times = temStr.toInt();
Dialog one;
one.show();
}
times = 1;
}
自己做了两个UI文件,觉得和问题没有太大的关联。