QT开发一个图片名批量重命名界面程序示例

好的，您可以参考以下代码：

#include <QApplication>
#include <QDir>
#include <QFileDialog>
#include <QFileInfo>
#include <QHBoxLayout>
#include <QLabel>
#include <QLineEdit>
#include <QMessageBox>
#include <QPushButton>
#include <QRegExp>
#include <QString>
#include <QVBoxLayout>

class BatchRenameWidget : public QWidget {
  Q_OBJECT

public:
  BatchRenameWidget(QWidget *parent = nullptr);

private slots:
  void onChoosePathButtonClicked();
  void onRenameButtonClicked();

private:
  void renameFiles();

  QHBoxLayout *pathLayout_;
  QLabel *pathLabel_;
  QLineEdit *pathLineEdit_;
  QPushButton *choosePathButton_;

  QLabel *patternLabel_;
  QLineEdit *patternLineEdit_;

  QVBoxLayout *mainLayout_;
  QHBoxLayout *buttonLayout_;
  QPushButton *renameButton_;
  QPushButton *cancelButton_;
};

BatchRenameWidget::BatchRenameWidget(QWidget *parent)
    : QWidget(parent),
      pathLayout_(new QHBoxLayout),
      pathLabel_(new QLabel(tr("文件夹路径: "))),
      pathLineEdit_(new QLineEdit),
      choosePathButton_(new QPushButton(tr("选择文件夹"))),
      patternLabel_(new QLabel(tr("文件名规则: "))),
      patternLineEdit_(new QLineEdit),
      mainLayout_(new QVBoxLayout),
      buttonLayout_(new QHBoxLayout),
      renameButton_(new QPushButton(tr("重命名"))),
      cancelButton_(new QPushButton(tr("取消"))) {
  pathLayout_->addWidget(pathLabel_);
  pathLayout_->addWidget(pathLineEdit_);
  pathLayout_->addWidget(choosePathButton_);

  mainLayout_->addLayout(pathLayout_);
  mainLayout_->addWidget(patternLabel_);
  mainLayout_->addWidget(patternLineEdit_);

  buttonLayout_->addStretch();
  buttonLayout_->addWidget(renameButton_);
  buttonLayout_->addWidget(cancelButton_);

  mainLayout_->addLayout(buttonLayout_);

  setLayout(mainLayout_);

  connect(choosePathButton_,
          SIGNAL(clicked(bool)),
          this,
          SLOT(onChoosePathButtonClicked()));
  connect(renameButton_, SIGNAL(clicked(bool)), this, SLOT(onRenameButtonClicked()));
  connect(cancelButton_, SIGNAL(clicked(bool)), this, SLOT(close()));
}

void BatchRenameWidget::onChoosePathButtonClicked() {
  QString path = QFileDialog::getExistingDirectory(this,
                                                    tr("选择文件夹"),
                                                    QDir::homePath(),
                                                    QFileDialog::ShowDirsOnly);
  if (!path.isEmpty()) {
    pathLineEdit_->setText(path);
  }
}

void BatchRenameWidget::onRenameButtonClicked() {
  QDir path(pathLineEdit_->text());
  if (!path.exists() || !path.isReadable()) {
    QMessageBox::warning(this, tr("警告"), tr("文件夹不存在或者无法读取"));
    return;
  }

  QRegExp rx(patternLineEdit_->text());

  if (!rx.isValid()) {
    QMessageBox::warning(this, tr("警告"), tr("规则表达式不正确"));
    return;
  }

  QStringList fileList = path.entryList(QDir::Files | QDir::NoDotAndDotDot);

  for (const QString &fileName : fileList) {
    QFileInfo fileInfo(fileName);
    QString newName = fileInfo.dir().path() + '/' + rx.cap(1) + fileInfo.suffix();
    QFile::rename(fileInfo.filePath(), newName);
  }

  QMessageBox::information(this, tr("提示"), tr("文件批量重命名成功"));
  close();
}

int main(int argc, char *argv[]) {
  QApplication app(argc, argv);

  BatchRenameWidget batchRenameWidget;

  batchRenameWidget.show();

  return app.exec();
}

#include "main.moc"

这是一个使用Qt编写的文件批量重命名程序，可以选择一个文件夹并设置文件名规则，程序会根据规则对文件夹中的所有文件进行重命名操作。