dialog.h
#ifndef DIALOG_H
#define DIALOG_H
#include <QLineEdit>
#include <QDialog>
#include <QGridLayout>
namespace Ui {
class Dialog;
}
class Dialog : public QDialog
{
Q_OBJECT
public:
explicit Dialog(QWidget *parent = 0);
~Dialog();
private:
Ui::Dialog *ui;
QPushButton *fileBtn;
QLineEdit *fileLineEdit;
QGridLayout *mainLayout;
private slots:
void showFile();
};
#endif // DIALOG_H
dialog.cpp
#include "dialog.h"
#include "ui_dialog.h"
#include <QGridLayout>
#include <QFileDialog>
#include <QPushButton>
Dialog::Dialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::Dialog)
{
ui->setupUi(this);
fileBtn = new QPushButton;
fileBtn->setText(tr("文件标准对话框实例"));
fileLineEdit = new QLineEdit;
mainLayout = new QGridLayout(this);
mainLayout->addWidget(fileBtn, 0, 0);
mainLayout->addWidget(fileLineEdit, 0, 1);
connect(fileBtn, SIGNAL(clicked(bool)), this, SLOT(showFile()));
}
Dialog::~Dialog()
{
delete ui;
}
void Dialog::showFile()
{
QString s = QFileDialog::getOpenFileName(this, "open file dialog", "/", "C++ files(*.cpp);;C files(*.c);;;Head files(*.h)");
fileLineEdit->setText(s);
}