基于SSL协议的FTP文件传输系统设计与开发(毕设源码).zip

#include "serverfilestreeview.h" ServerFilesTreeView::ServerFilesTreeView(QWidget *parent) : QWidget(parent) { initialize(); setUserDefineStyle(); setWinLayout(); sigAndSlotConnect(); } ServerFilesTreeView::~ServerFilesTreeView() { release(); } void ServerFilesTreeView::updatePath(QString path) { QString CurrentPath = QString("%1%2/%3").arg("Path=").arg(m_currentPath).arg(path); //p_label_path->setText(CurrentPath); } void ServerFilesTreeView::clearItems() { while(p_fileList->topLevelItemCount() > 0) { delete p_fileList->topLevelItem(0); } } void ServerFilesTreeView::initialize() { m_filename = new FileNameWidget(); m_filename->hide(); p_label_path = new QLabel(); p_label_path->setFixedHeight(30); for(int i = 0; i< 7;i++) { p_pushButton[i] = new QPushButton(); } p_frameLeft = new QFrame(); p_frameTop = new QFrame(); p_VlayoutRight = new QVBoxLayout(); p_VayoutMaint = new QVBoxLayout(); p_HlayoutLeft = new QHBoxLayout(); p_HlayoutBottom = new QHBoxLayout(); p_HlayoutTop = new QHBoxLayout(); p_fileList = new QTreeWidget(); p_fileList->setStyleSheet("QTreeView::item::selected{background-color:rgb(130, 255, 241);} QTreeView::item::hover{background-color:green;}"); p_fileList->setEnabled(false); p_fileList->setRootIsDecorated(false); p_fileList->setHeaderLabels(QStringList() << tr("Name") << tr("Size")<< tr("Date Modifiled")); p_fileList->header()->setStretchLastSection(true); p_progressDialog = new QProgressDialog(this); } void ServerFilesTreeView::release() { delete p_label_path; delete p_progressDialog; for(int i = 0; i< 7;i++) { delete p_pushButton[i]; } delete p_fileList; delete p_VlayoutRight; delete p_HlayoutLeft; delete p_frameTop; delete p_frameLeft; delete p_HlayoutTop; delete p_HlayoutBottom; delete p_VayoutMaint; } void ServerFilesTreeView::setUserDefineStyle() { p_pushButton[0]->setText("下载"); p_pushButton[1]->setText("复制"); p_pushButton[2]->setText("上传"); p_pushButton[3]->setText("重命名"); p_pushButton[4]->setText("删除"); p_pushButton[5]->setText("返回上级"); p_pushButton[6]->setText("新建文件夹"); p_HlayoutLeft->setSpacing(0); p_HlayoutLeft->setContentsMargins(0,0,0,0); p_HlayoutLeft->setSpacing(2); p_HlayoutLeft->setContentsMargins(2,2,2,2); p_HlayoutTop->setSpacing(0); p_HlayoutTop->setContentsMargins(2,2,2,2); resize(800,600); } void ServerFilesTreeView::setWinLayout() { p_HlayoutTop->addWidget(p_label_path); p_frameTop->setLayout(p_HlayoutTop); p_VlayoutRight->addWidget(p_pushButton[0]); p_VlayoutRight->addWidget(p_pushButton[1]); p_VlayoutRight->addWidget(p_pushButton[2]); p_VlayoutRight->addWidget(p_pushButton[3]); p_VlayoutRight->addWidget(p_pushButton[4]); p_VlayoutRight->addWidget(p_pushButton[5]); p_VlayoutRight->addWidget(p_pushButton[6]); p_HlayoutLeft->addWidget(p_fileList); p_frameLeft->setLayout(p_HlayoutLeft); p_HlayoutBottom->addWidget(p_frameLeft,9); p_HlayoutBottom->addLayout(p_VlayoutRight,1); p_VayoutMaint->addWidget(p_frameTop); p_VayoutMaint->addLayout(p_HlayoutBottom); setLayout(p_VayoutMaint); } void ServerFilesTreeView::sigAndSlotConnect() { connect(p_fileList, SIGNAL(itemActivated(QTreeWidgetItem*,int)),this, SLOT(slotEnterDir(QTreeWidgetItem*,int))); connect(p_fileList, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)),this, SLOT(slotEnableDownloadButton())); connect(p_pushButton[5],SIGNAL(clicked()),this,SLOT(slotCdToParent())); connect(p_pushButton[0],SIGNAL(clicked()),this,SLOT(slotDownloadFile())); connect(p_pushButton[4],SIGNAL(clicked()),this,SLOT(slotDeleteFile())); connect(p_pushButton[6],SIGNAL(clicked()),this,SLOT(slotMkdir())); connect(p_pushButton[3],SIGNAL(clicked()),this,SLOT(slotRename())); connect(p_pushButton[2],SIGNAL(clicked()),this,SLOT(slotUpFile())); connect(m_filename,&FileNameWidget::signalFileName,this,[=](QString filename){ QString oldName = p_fileList->currentItem()->text(0); m_filename->hide(); emit sigRename(oldName,filename); }); connect(m_filename,&FileNameWidget::signalMakeDir,this,[=](QString filename){ emit sigMkdir(m_currentPath + "/"+filename); m_filename->hide(); }); } QString ServerFilesTreeView::formatSize(qint64 size) { QString result = "0"; double value = 0.00; if(size > 0 && size < ValueMax_B) { result = QString("%1").arg(size)+QString("B"); } else if((size >= ValueMax_B) && (size < ValueMax_KB)) { value = size/ValueMax_B; result = QString::number(value,'f',1)+QString("KB"); } else if((size >= ValueMax_KB) && (size < ValueMax_MB)) { value = size/ValueMax_KB; result = QString::number(value,'f',1)+QString("MB"); } else if((size >= ValueMax_MB) && (size < ValueMax_G)) { value = size/ValueMax_MB; result = QString::number(value,'f',1)+QString("G"); } return result; } void ServerFilesTreeView::updateTreeWidget() { p_fileList->clear(); } void ServerFilesTreeView::slotAddToList(const QUrlInfo &urlInfo) { QTreeWidgetItem *item = new QTreeWidgetItem; item->setText(0, urlInfo.name()); if(urlInfo.isDir()) { item->setText(1, QString("")); } else { item->setText(1, formatSize(urlInfo.size())); } item->setText(2, urlInfo.lastModified().toString("MMM dd yyyy")); QPixmap pixmap(urlInfo.isDir() ? ":/images/dir.png" : ":/images/file.png"); item->setIcon(0, pixmap); m_isDirectory[urlInfo.name()] = urlInfo.isDir(); if(urlInfo.isDir()) { p_fileList->insertTopLevelItem(0,item); } else if(urlInfo.isFile()) { int index = p_fileList->model()->rowCount(); p_fileList->insertTopLevelItem(index,item); } if (!p_fileList->currentItem()) { p_fileList->setCurrentItem(p_fileList->topLevelItem(0)); p_fileList->setEnabled(true); } updatePath(p_fileList->currentItem()->text(0)); } void ServerFilesTreeView::slotEnterDir(QTreeWidgetItem *item, int /*column*/) { QString name = item->text(0); if (m_isDirectory.value(name)) { p_fileList->clear(); m_isDirectory.clear(); m_currentPath += '/'; m_currentPath += name; emit sigcdDir(name); return; } } void ServerFilesTreeView::slotCdToParent() { p_fileList->clear(); m_isDirectory.clear(); m_currentPath = m_currentPath.left(m_currentPath.lastIndexOf('/')); if (m_currentPath.isEmpty()) { updatePath(""); emit sigcdDir("/"); } else { updatePath(m_currentPath); emit sigcdDir(m_currentPath); } } #include <QFileDialog> #include <QDebug> void ServerFilesTreeView::slotDownloadFile() { QString dir = QFileDialog::getExistingDirectory(this, tr("选择下载路径"), "/home", QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks); //QString filepath = QFileDialog::getExistingDirectory(); QString fileName = dir+"/"+p_fileList->currentItem()->text(0); if (QFile::exists(fileName)) { QMessageBox::information(this, tr("FTP"), tr("There already exists a file called %1 in " "the current directory.") .arg(fileName)); return; } qDebug()<<"down path"<<fileName; emit sigGetFile(fileName); p_progressDialog->setLabelText(tr("Downloading %1...").arg(fileName)); p_progressDialog->exec(); } void ServerFilesTreeView::slotDeleteFile() { QString fileName = p_fileList->currentItem()->text(0); if(m_isDirectory.value(fileName)) { fileName = m_currentPath + "/" +f