实现方式：QFileSystemModel
#pragma execution_character_set("utf-8")
#ifndef MAINWIDGET_H
#define MAINWIDGET_H
#include <QStringList>
#include <QFileSystemModel>
#include <QWidget>
#include <QPushButton>
#include <QTableView>
#include <QLineEdit>
#include <QLabel>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QSplitter>
#include <QDebug>
#include <QMessageBox>
#include <QProcess>
#include <QAction>
#include <QMenu>
#include "qcitemdelegate.h"
#include <QContextMenuEvent>
#include "play/player.h"
#include <QStandardItemModel>
#include <QAbstractItemModel>
#include "qcfilesystemmodel.h"
#include "buttondelegate.h"
class MainWidget : public QWidget
{
Q_OBJECT
public:
explicit MainWidget(QWidget *parent = 0);
~MainWidget();
protected:
virtual void keyPressEvent(QKeyEvent *event);
virtual void resizeEvent(QResizeEvent *event);
void initSystem(void);
void initForm();
void contextMenuEvent(QContextMenuEvent *event);
bool removeFolderContent(const QString &folderDir);
bool findSameFile(QString filename,QString folderDir);//查找同名文件
bool copyDirectoryFiles(const QString &fromDir, const QString &toDir);
private slots:
void showPlayW();
void showPath(const QModelIndex &index);
void getPath(const QModelIndex &index);
void newTxtFile(void);
void newExelFile(void);
void newWordFile(void);
void deleteFile(void);
void newDFile(void);
void copyFile(void);
void pastFile(void);
void GoBack(void);
void GoAhead(void);
void updataModel(void);
void resizeSet();
private:
int selectRow;
QCFileSystemModel *model;
QModelIndex DirIndex;
QModelIndex selectFileIndex;
QList<QModelIndex>PathIdex; //上下级
int IdexAt;//dex位置记录
QModelIndex copyIdex;
bool isCopy;
QString copyPath;
QString copyFileName;
QString copyPostfixName;
QString newPath;
bool isCopyFile;
bool isDelete;
private:
QCItemDelegate *m_QCItemDelegate;
QPushButton *btn_del;
QPushButton *btn_down;
QPushButton *btn_up;
QPushButton *btn_paste;
QPushButton *btn_update;
QPushButton *btn_copy;
QTableView *tableView;
QLineEdit *lineEdit;
QLabel *label;
QHBoxLayout *hlayoutA;
QHBoxLayout *hlayoutB;
QHBoxLayout *hlayoutC;
QHBoxLayout *hlayoutD;
QVBoxLayout *vlayout;
QStringList strPathList;
};
#endif // MAINWIDGET_H
#pragma execution_character_set("utf-8")
#include "mainwidget.h"
#include <QHeaderView>
#include "playwidget.h"
MainWidget::MainWidget(QWidget *parent) :
QWidget(parent)
{
setWindowTitle(QString::fromLocal8Bit("Qt文件管理器"));
resize(600,400);
selectRow = -1;
initForm();
initSystem();
}
MainWidget::~MainWidget()
{
}
void MainWidget::keyPressEvent(QKeyEvent *event)
{
if(event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return)
{
tableView->setRootIndex(model->index(lineEdit->text()));
}
}
void MainWidget::resizeEvent(QResizeEvent *event)
{
resizeSet();
}
void MainWidget::initSystem()
{
QStringList nameFilter;
// nameFilter << "*.avi";
model->setNameFilterDisables(false);
model->setNameFilters(nameFilter);
model->setReadOnly(false); //设置可以修改
QStandardItemModel models(4,2);
tableView->setModel(model);
IdexAt = 0;
isCopy = false;
isDelete = false;
model->setRootPath("");
lineEdit->setText(tr("My computer"));
tableView->setRootIndex(model->index(model->rootPath()));
strPathList.append(model->rootPath());
//tableView.add
m_QCItemDelegate = new QCItemDelegate();
// tableView->setItemDelegateForColumn(2,m_QCItemDelegate);
tableView->horizontalHeader()->setStretchLastSection(true);
QStringList headerList;
headerList.append(QString::fromLocal8Bit("名称"));
headerList.append(QString::fromLocal8Bit("大小"));
headerList.append(QString::fromLocal8Bit("分辨率"));
headerList.append(QString::fromLocal8Bit("修改日期"));
QStandardItemModel* itemModel = new QStandardItemModel();
itemModel->setHorizontalHeaderLabels(headerList);
tableView->horizontalHeader()->setModel(itemModel);
}
void MainWidget::initForm()
{
btn_del = new QPushButton(this);
btn_down = new QPushButton(this);
btn_up = new QPushButton(this);
btn_paste = new QPushButton(this);
btn_update = new QPushButton(this);
btn_copy = new QPushButton(this);
tableView = new QTableView(this);
model = new QCFileSystemModel;
lineEdit = new QLineEdit(this);
label = new QLabel(this);
btn_del->setText(QString::fromLocal8Bit("删除"));
btn_down->setText(QString::fromLocal8Bit("下一级"));
btn_up->setText(QString::fromLocal8Bit("上一级"));
btn_paste->setText(QString::fromLocal8Bit("粘贴"));
btn_update->setText(QString::fromLocal8Bit("刷新"));
btn_copy->setText(QString::fromLocal8Bit("复制"));
label->setText("path:");
hlayoutA = new QHBoxLayout;
hlayoutB = new QHBoxLayout;
hlayoutC = new QHBoxLayout;
hlayoutD = new QHBoxLayout;
hlayoutC->addWidget(tableView);
vlayout = new QVBoxLayout;
hlayoutA->addWidget(label);
hlayoutA->addWidget(lineEdit);
hlayoutB->addWidget(btn_up);
hlayoutB->addWidget(btn_down);
hlayoutB->addWidget(btn_del);
hlayoutB->addWidget(btn_update);
hlayoutB->addWidget(btn_copy);
hlayoutB->addWidget(btn_paste);
vlayout->addLayout(hlayoutA);
// vlayout->addLayout(hlayoutD);
vlayout->addLayout(hlayoutC);
vlayout->addLayout(hlayoutB);
setLayout(vlayout);
connect(tableView, SIGNAL(doubleClicked(QModelIndex )), this,SLOT(showPath(QModelIndex)));
connect(btn_up,SIGNAL(clicked()),this,SLOT(GoBack()));
connect(btn_down,SIGNAL(clicked()),this,SLOT(GoAhead()));
connect(tableView,SIGNAL(clicked(QModelIndex)),this,SLOT(getPath(QModelIndex)));
connect(btn_copy,SIGNAL(clicked()),this,SLOT(copyFile()));
connect(btn_paste,SIGNAL(clicked()),this,SLOT(pastFile()));
connect(btn_del,SIGNAL(clicked()),this,SLOT(deleteFile()));
connect(btn_update,SIGNAL(clicked()),this,SLOT(updataModel()));
resizeSet();
}
//新建文本文档
void MainWidget::newTxtFile(void)
{
resizeSet();
QString path = model->fileInfo(DirIndex).absoluteFilePath();//获取程序当前文件路径
#ifdef _WIN32
path.replace("/","\\");//将路径中的'/'替换为windows中的'\\'
path = path + "\\";
#else
path = path + "/";//LINUX路径
#endif
if(!findSameFile(tr("NewNotepad.txt"),path))
{
QFile file(path+tr("NewNotepad.txt"));
file.open(QIODevice::WriteOnly);
file.close();
}
else
{
int i = 1;
QString num;
while(1)
{
QString filename = tr("NewNotepad")+num.setNum(i)+".txt";
if(!findSameFile(filename,path))
{
QFile file(path+filename);
file.open(QIODevice::WriteOnly);
file.close();
return;
}
i++;
}
}
}
//新建excel表格
void MainWidget::newExelFile(void)
{
resizeSet();
QString path = model->fileInfo(DirIndex).absoluteFilePath();//获取程序当前文件路径
#ifdef _WIN32
path.replace("/","\\");//将路径中的'/'替换为windows中的'\\'
path = path + "\\";
#else
path = path + "/";
#endif
if(!findSameFile(tr("Microsoft Excel.xls"),path))
{
QFile file(path+tr("Microsoft Excel.xls"));
file.open(QIODevice::WriteOnly);
file.close();
}
else
{
int i = 1;
QString num;
while(1)
{
QString filename = tr("Microsoft Excel")+num.setNum(i)+".xls";
if(!findSameFile(filename,path))
{
QFile file(path+filename);
file.open(QIODevice::WriteOnly);
file.close();
return;
}
i++;
}
}
}
//新建word文件
void MainWidget::newWordFile(void)
{
resizeSet();
QString path = model->fileInfo(DirIndex).absoluteFilePath();//获取程序当前文件路径
#ifdef _WIN32
path.replace("/","\\");//将路径中的'/'替换为windows中的'\\'
path = path + "\\";
#else
path = path + "/";
#endif
if(!findSameFile(tr("Microsoft Word.doc"),path))
{
QFile file(path+tr("Microsoft Word.doc"));
file.open(QIODevice::WriteOnly);
file.close();
}
else
{
int i = 1;
QString num;
while(1)
{
QString filename = tr("Microsoft Word")+num.setNum(i)+".doc";
if(!findSameFile(filename,path))
{
QFile file(path+filename);
file.open(QIODevice::WriteOnly);
file.close();
return;
}
i++;
}
}
}
//复制文件
void MainWidget::copyFile(void)
{
resizeSet();
copyIdex = selectFileIndex;
isCopy = true;
copyPath = model->fileInfo(copyIdex).absoluteFilePath();
#ifdef _WIN32
copyPath.replace("/","\\");
int begin = copyPath.lastIndexOf("\\")+1;
#else
int begin = copyPath.lastIndexOf("/")+1;
#endif
int end = copyPath.lastIndexOf(".")-1;
copyPostfixName = copyPath.mid(end+1);
copyFileName = copyPath.mid(begin,end-begin+1);
isCopyFile = false;
if(model->fileInfo(copyIdex).isFile()){
isCopyFile = true;
}
qDebug()<<"copyPath"<<copyPath;
}
//粘贴
void MainWidget::pastFile(void)
{
resizeSet();
newPath = lineEdit->text();
qDebug()<<"copyPath"<<newPath;
#ifdef _WIN32
newPath.replace("/","\\");
#endif
QString filename = copyFileName + copyPostfixName;
if(isCopyFile){
if(findSameFile(filename,newPath)){//文件存在
int i = 1;
QString num;
while(1){
filename = copyFileName+tr("_Copy") + num.setNum(i)+copyPostfixName;
if(!findSameFile(filename,newPath))
{
break;
}
i++;
}//while(1)
}
#ifdef _WIN32
newPath = newPath + "\\" + filename;
#else
newPath = newPath + "/" + filename;
#endif
QFile::copy(copyPath,newPath);
}else{
#ifdef _WIN32
int begin = copyPath.lastIndexOf("\\")+1;
#else
int begin = copyPath.lastIndexOf("/")+1;
#endif
QString filename = copyPath.mid(begin);
if(findSameFile(filename,newPath)){//文件夹存在
int i = 1;
QString num;
while(1){
QString filename1 = filename+tr("_Copy") + num.setNum(i);
if(!findSameFile(filename1,newPath))
{
filename = filename1;
break;
}
i++;
}//while(1)
}
#ifdef _WIN32
newPath = newPath+"\\"+filename;
#else
newPath = newPath+"/"+filename;
#endif
qDebug()<<"newPath"<<newPath;
if(!copyDirectoryFiles(copyPath,newPath)){
qDebug()<<"no!";
}
}
}
//新建目录
void MainWidget::newDFile()
{
resizeSet();
if (!DirIndex.isValid())
{
return;
}
QString path = model->fileInfo(DirIndex).absoluteFilePath();//获取程序当前文件路径
#ifdef _WIN32
path.replace("/","\\");//将路径中的'/'替换为windows中的'\\'
path = path + "\\";
#else
path = path + "/";
#endif
QString newpathname(tr("NewFolder"));
if(findSameFile(newpathname,path)){
int i = 1;
QString num;
while(1){
QString filename1 = newpathname + num.setNum(i);
if(!findSameFile(filename1,path))
{
newpathname = filename1;
break;
}
i++;
}//while(1)
}
if (!model->mkdir(DirIndex, newpathname).isValid())
{
QMessageBox::information(this, tr("Create Directory"), tr("Failed to create the directory"));
}
}
//删除文件
void MainWidget::deleteFile()
{
resizeSet();
if (!selectFileIndex.isValid())
{
return;
}
bool ok1,ok;//ok2;
if (model->fileInfo(selectFileIndex).isDir())//删除文件夹
{
ok1 = removeFolderContent(model->fileInfo(selectFileIndex).absoluteFilePath());
// ok2 = model->rmdir(selectFileIndex);
ok = ok1;// && ok2;
}
else
{
ok = model->remove(selectFileIndex);
}
if (!ok)
{
QMessageBox::information(this, tr("Remove"), tr("Failed to remove %1").arg(model->fileName(selectFileIndex)));
}
isDelete = false;
isCopy = false;
}
//显示当前路径
void MainWidget::showPath(const QModelIndex &index)
{
DirIndex = index;
resizeSet();
QString path = model->fileInfo(index).absoluteFilePath();//获取程序当前文件路径
#ifdef _WIN32
path.replace("/","\\");//将路径中的'/'替换为windows中的'\\'
#endif
if (model->fileInfo(index).isDir())//判断是否为目录
{
tableView->setRootIndex(index);//进入目录
lineEdit->setText(path);
tableView->setRootIndex(model->index(lineEdit->text()));
for(int i = 0;i < strPathList.size();i++){
if(i > IdexAt){
strPathList.removeAt(i);
qDebug()<<"删除==";
}
}
strPathList.append(lineEdit->text());
IdexAt = strPathList.size()-1;
qDebug()<<"IdexAt=="<<IdexAt;
}
else//打开文件
{
QString path = model->fileInfo(index).absoluteFilePath();//获取程序当前文件路径
#ifdef _WIN32
path.replace("/","\\");//将路径中的'/'替换为windows中的'\\'
#endif
QProcess::startDetached("explorer "+path);//调用系统程序打开文件
}
QStringList headerList;
headerList.append(QString::fromLocal8Bit("名称"));
headerList.append(QString::fromLocal8Bit("大小"));
headerList.append(QString::fromLocal8Bit("分辨率"));
headerList.append(QString::fromLocal8Bit("修改日期"));
QStandardItemModel* itemModel = new QStandardItemModel();
itemModel->setHorizontalHeaderLabels(headerList);
tableView->horizontalHeader()->setModel(itemModel);
// QLabel *label = new QLabel();
qDebug()<<"index"<<index.row();
qDebug()<<"index"<<index.column();
qDebug()<<"index"<<index.data();
QModelIndex satindex;
satindex.sibling(1,1);
model->setData(satindex,"dd");
m_QCItemDelegate->setSelectRow(-1);
// QAbstractItemModel *tmodel;
// tmodel = tableView->model();
// tmodel->setData();
}
//鼠标右键
void MainWidget::contextMenuEvent(QContextMenuEvent *event)
{
QAction *playAction = new QAction(tr("&play"),this);
QAction *deletAction = new QAction(tr("&Delete"),this);
QAction *newDAction = new QAction(tr("&NewFolder"),this);
QMenu *CreateFilemenu = new QMenu(tr("NewFile&W"),this);
QAction *newTxtAction = new QAction(tr("NewNotepad"),this);
QAction *newExcelAction = new QAction(tr("Microsoft Excel"),this);
QAction *newWordAction = new QAction(tr("Microsoft Word "),this);
QAction *copyAction = new QAction(tr("&Copy"),this);
QAction *pastAction = new QAction(tr("Paste&V"),this);
QMenu menu(this);
menu.addAction(newDAction);
menu.addAction(CreateFilemenu->menuAction());
CreateFilemenu->addAction(newTxtAction);
CreateFilemenu->addAction(newExcelAction);
CreateFilemenu->addAction(newWordAction);
menu.addAction(playAction);
menu.addAction(deletAction);
menu.addAction(copyAction);
menu.addAction(pastAction);
if(!isCopy)
pastAction->setEnabled(false);
else
pastAction->setEnabled(true);
if(isDelete){
deletAction->setEnabled(true);
}else{
deletAction->setEnabled(false);
}
connect(playAction,SIGNAL(triggered()),this,SLOT(showPlayW()));
connect(deletAction,SIGNAL(triggered()),this,SLOT(deleteFile()));
connect(newDAction,SIGNAL(triggered()),this,SLOT(newDFile()));
connect(newTxtAction,SIGNAL(triggered()),this,SLOT(newTxtFile()));
connect(newExcelAction,SIGNAL(triggered()),this,SLOT(newExelFile()));
connect(newWordAction,SIGNAL(triggered()),this,SLOT(newWordFile()));
connect(copyAction,SIGNAL(triggered()),this,SLOT(copyFile()));
connect(pastAction,SIGNAL(triggered()),this,SLOT(pastFile()));
QPoint p = this->pos();
menu.exec(event->pos()+p);
}
//获取选中文件路径
void MainWidget::getPath(const QModelIndex &index)
{
qDebug()<<"index==="<<index.row();
selectRow = index.row();
selectFileIndex = index;//获取选中文件
isDelete = true;
m_QCItemDelegate->setSelectRow(index.row());
tableView->update();
}
//删除文件夹
bool MainWidget::removeFolderContent(const QString &folderDir)
{
QDir dir(folderDir);
QFileInfo curFile(folderDir);
if(curFile.isReadable()&&curFile.isWritable()){
if(curFile.isDir()){
QFileInfoList fileList=dir.entryInfoList();
int cf = fileList.count();
for (int i=2;i<fileList.count();i++){
#ifdef _WIN32
removeFolderContent(folderDir + "\\" + fileList.at(i).fileName());
#else
removeFolderContent(folderDir + "/" + fileList.at(i).fileName());
#endif
}
dir.rmdir(folderDir);
}else{
QFile::remove(folderDir);
}
}else{
return false;
}
return true;
}
//后退
void MainWidget::GoBack(void)
{
IdexAt--;
if(IdexAt <=0){
IdexAt = 0;
}
qDebug()<<"IdexAt=="<<IdexAt;
if(IdexAt == 0){
lineEdit->setText(tr("My computer"));
tableView->setRootIndex(model->index(model->rootPath()));
}else{
QString path = strPathList.at(IdexAt);
lineEdit->setText(path);
isCopy = false;
isDelete = false;
tableView->setRootIndex(model->index(lineEdit->text()));
}
QStringList headerList;
headerList.append(QString::fromLocal8Bit("名称"));
headerList.append(QString::fromLocal8Bit("大小"));
headerList.append(QString::fromLocal8Bit("分辨率"));
headerList.append(QString::fromLocal8Bit("修改日期"));
QStandardItemModel* itemModel = new QStandardItemModel();
itemModel->setHorizontalHeaderLabels(headerList);
tableView->horizontalHeader()->setModel(itemModel);
/****************以下是测试*****/
//qDebug()<<model->index(4, 1).data();
//qDebug()<<model->insertRow(0);
//model->setData(model->index(4, 1), "abcsssd");
model->setItemData(model->index(4, 0), "abcsssd");
//QLabel *b = new QLabel("tt");
//tableView->setIndexWidget(model->index(4, 1),b);
// model->beginInsertRows(model->index(4, 1),1,2);
// model->endInsertRows();
QModelIndex ps = model->index(model->rootPath());
qDebug()<<model->data(ps,1);
m_QCItemDelegate->setSelectRow(selectRow);
}
//前进
void MainWidget::GoAhead(void)
{
IdexAt++;
if(IdexAt > strPathList.size()-1){
IdexAt = strPathList.size()-1;
}
qDebug()<<"IdexAt=="<<IdexAt;
QString path = strPathList.at(IdexAt);
lineEdit->setText(path);
isCopy = false;
isDelete = false;
tableView->setRootIndex(model->index(lineEdit->text()));
QStringList headerList;
headerList.append(QString::fromLocal8Bit("名称"));
headerList.append(QString::fromLocal8Bit("大小"));
headerList.append(QString::fromLocal8Bit("分辨率"));
headerList.append(QString::fromLocal8Bit("修改日期"));
QStandardItemModel* itemModel = new QStandardItemModel();
itemModel->setHorizontalHeaderLabels(headerList);
tableView->horizontalHeader()->setModel(itemModel);
}
void MainWidget::updataModel()
{
QCFileSystemModel *t_model;
t_model = model;
model = new QCFileSystemModel;
QStringList nameFilter;
// nameFilter << "*.avi";
model->setNameFilterDisables(false);
model->setNameFilters(nameFilter);
model->setReadOnly(false); //设置可以修改
tableView->setModel(model);
isCopy = false;
isDelete = false;
model->setRootPath("");
tableView->setRootIndex(model->index("D:/Program Files"));
tableView->setRootIndex(model->index(lineEdit->text()));
if(t_model!=nullptr){
delete t_model;
}
}
void MainWidget::resizeSet()
{
tableView->verticalHeader()->hide();//隐藏行号方法
tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
tableView->setSelectionMode(QAbstractItemView::SingleSelection);
tableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
tableView->horizontalHeader()->resizeSection(0,this->width()*0.25);
tableView->horizontalHeader()->resizeSection(1,this->width()*0.25);
tableView->horizontalHeader()->resizeSection(2,this->width()*0.24);
tableView->horizontalHeader()->resizeSection(3,this->width()*0.24);
}
//查找相同文件
bool MainWidget::findSameFile(QString filename,QString folderDir)
{
QDir dir(folderDir);
QFileInfoList fileList;
QFileInfo curFile;
if(!dir.exists())
{return false;}//文件不存，则返回false
fileList=dir.entryInfoList(QDir::Dirs|QDir::Files
|QDir::Readable|QDir::Writable
|QDir::Hidden|QDir::NoDotAndDotDot
,QDir::Name);
int infoNum=fileList.size();
for(int i=infoNum-1;i>=0;i--)
{
curFile = fileList[i];
if(0 == filename.compare(curFile.fileName()))
{
return true;
}
}
return false;
}
//文件递归复制
bool MainWidget::copyDirectoryFiles(const QString &fromDir, const QString &toDir)
{
QDir sourceDir(fromDir);
QDir targetDir(toDir);
if(!targetDir.exists())
{ // 如果目标目录不存在，则进行创建
if(!targetDir.mkdir(targetDir.absolutePath()))
return false;
}
QFileInfoList fileInfoList = sourceDir.entryInfoList();
foreach(QFileInfo fileInfo, fileInfoList){
if(fileInfo.fileName() == "." || fileInfo.fileName() == "..")
continue;
if(fileInfo.isDir()){ // 当为目录时，递归的进行copy
if(!copyDirectoryFiles(fileInfo.filePath(),
targetDir.filePath(fileInfo.fileName())))
return false;
}
else{ // 当允许覆盖操作时，将旧文件进行删除操作
if(!QFile::copy(fileInfo.filePath(),
targetDir.filePath(fileInfo.fileName()))){
return false;
}
}
}
return true;
}
void MainWidget::showPlayW()
{
QString str = model->filePath(selectFileIndex);
qDebug()<<"aa"<<str;
Player w;
w.setPlayUrl(str);
w.exec();
}
