QT标准文件对话框

最新推荐文章于 2025-06-17 16:45:16 发布

lonely_gfolf

最新推荐文章于 2025-06-17 16:45:16 发布

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分类专栏： QT5开发及实例

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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);
}