这个还是练习项视图，用于浏览目录，可以添加新文件夹和删除文件或文件夹

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directoryviewer.h

#ifndef DIRECTORYVIEWER_H #define DIRECTORYVIEWER_H #include <QtGui/QDialog> class QDialogButtonBox; class QDirModel; class QTreeView; namespace Ui { class DirectoryViewer; } class DirectoryViewer : public QDialog { Q_OBJECT public: DirectoryViewer(QWidget *parent = 0); ~DirectoryViewer(); private slots: void createDirectory(); void remove(); private: Ui::DirectoryViewer *ui; QTreeView *treeView; QDirModel *model; QDialogButtonBox *buttonBox; }; #endif // DIRECTORYVIEWER_H

directoryviewer.cpp

#include <QtGui> #include "directoryviewer.h" #include "ui_directoryviewer.h" /** 构造函数 */ DirectoryViewer::DirectoryViewer(QWidget *parent) : QDialog(parent), ui(new Ui::DirectoryViewer) { ui->setupUi(this); //model model = new QDirModel; model->setReadOnly(false); model->setSorting(QDir::DirsFirst | QDir::IgnoreCase | QDir::Name); //treeView treeView = new QTreeView; treeView->setModel(model); treeView->header()->setStretchLastSection(true); treeView->header()->setSortIndicator(0,Qt::AscendingOrder); treeView->header()->setSortIndicatorShown(true); treeView->header()->setClickable(true); QModelIndex index = model->index(QDir::currentPath()); treeView->expand(index); treeView->scrollTo(index); treeView->resizeColumnToContents(0); //ButtonBox buttonBox = new QDialogButtonBox(Qt::Horizontal); QPushButton *mkdirButton = buttonBox->addButton(tr("&Create Directory"),QDialogButtonBox::ActionRole); QPushButton *removeButton = buttonBox->addButton(tr("&Remove"),QDialogButtonBox::ActionRole); buttonBox->addButton(tr("&Quit"),QDialogButtonBox::AcceptRole); //signal and slot connect(mkdirButton,SIGNAL(clicked()),this,SLOT(createDirectory())); connect(removeButton,SIGNAL(clicked()),this,SLOT(remove())); connect(buttonBox,SIGNAL(accepted()),this,SLOT(accept())); //Layout QVBoxLayout *layout = new QVBoxLayout; layout->addWidget(treeView); layout->addWidget(buttonBox); setLayout(layout); setWindowTitle(tr("Directory Viewer by Killua")); } /** 析构函数 */ DirectoryViewer::~DirectoryViewer() { delete ui; } /** 文件夹创建 */ void DirectoryViewer::createDirectory() { QModelIndex index = treeView->currentIndex(); if (!index.isValid()) return ; QString dirName = QInputDialog::getText(this,tr("Create Directory"),tr("Directory Name")); if (!dirName.isEmpty()) { if (!model->mkdir(index,dirName).isValid()) QMessageBox::information(this,tr("Create Directory"),tr("Failed to create")); } } /** 删除 */ void DirectoryViewer::remove() { QModelIndex index =treeView->currentIndex(); if (!index.isValid()) return ; bool ok; if (model->fileInfo(index).isDir()) { ok = model->rmdir(index); } else { ok = model->remove(index); } if (!ok) QMessageBox::information(this,tr("Remove"),tr("Failed to remvoe")); }

软件截图：