//.h
#ifndef DIALOG_H
#define DIALOG_H
#include <QDialog>
#include <QPushButton>
#include <QLineEdit>
#include <QGridLayout>
#include <QFileDialog>
class Dialog : public QDialog
{
Q_OBJECT
public:
Dialog(QWidget *parent = 0);
~Dialog();
private:
QPushButton *fileButton;
QLineEdit *fileLineEdit;
QGridLayout *mainLayout;
private slots:
void showfile();
};
#endif // DIALOG_H
//.cpp
//.cpp
#include "dialog.h"
Dialog::Dialog(QWidget *parent)
: QDialog(parent)
{
fileButton = new QPushButton;
fileButton->setText(tr("文件標準對話框"));
fileLineEdit = new QLineEdit;
mainLayout = new QGridLayout(this);
mainLayout->addWidget(fileButton,0,0);
mainLayout->addWidget(fileLineEdit,0,1);
connect(fileButton,SIGNAL(clicked()),this,SLOT(showfile()));
}
Dialog::~Dialog()
{
}
void Dialog::showfile()
{
/*
QFileDialog的四個靜態函數
getOpenFileName :獲取用戶選擇的文件名
getSaveFileName :獲取用戶保存的文件名
getExistingDirectory :獲取用戶選擇的已保存的目錄名
getOpenFileNames :獲取用戶選擇的文件名列表
*/
//添加默認路徑名
QString s = QFileDialog::getOpenFileName(this,"open file dialog","./",
"C++ files(*.cpp) ;; C files(*.c);;Head files(*.h)");
fileLineEdit->setText(s);
}