基于qt实现的简单FTP客户端

#include <QtGui> #include <QtNetwork> #include "mainwindow.h" #include"showfile.h" #include"util.h" MainWindow::MainWindow(QWidget *parent) : QDialog(parent), fileTrans(0), networkSession(0) { InitView(); InitSlot(); } QSize MainWindow::sizeHint() const { return QSize(800, 600); } //初始化窗口部件 void MainWindow::InitView() { serverLabel = new QLabel(tr("服务器:")); serverLineEdit = new QLineEdit("127.0.0.1"); serverLabel->setBuddy(serverLineEdit); userNameLabel=new QLabel(tr("用户名:")); userNameLineEdit=new QLineEdit(); userNameLabel->setBuddy(userNameLineEdit); passwordLabel=new QLabel(tr("密码:")); passwordLineEdit=new QLineEdit(); passwordLineEdit->setEchoMode(QLineEdit::Password); passwordLabel->setBuddy(passwordLineEdit); connectButton = new QPushButton(tr("连接")); connectButton->setDefault(true); clientPathLabel=new QLabel(tr("本地:")); clientPathLineEdit=new QLineEdit(); clientPathLineEdit->setEnabled(false); clientPathLabel->setBuddy(clientPathLineEdit); clientCdToParentButton = new QPushButton; clientCdToParentButton->setIcon(QPixmap(":/images/cdtoparent.png")); clientCdToParentButton->setEnabled(false); clientFileList = new ShowFile; clientFileList->setEnabled(true); clientFileList->setRootIsDecorated(false); clientFileList->setHeaderLabels(QStringList() << tr("名称") << tr("大小") << tr("所属用户") << tr("修改日期")); clientFileList->header()->setStretchLastSection(false); serverPathLabel=new QLabel(tr("远程:")); serverPathLineEdit=new QLineEdit(); serverPathLineEdit->setDisabled(true); serverPathLabel->setBuddy(serverPathLineEdit); serverCdToParentButton = new QPushButton; serverCdToParentButton->setIcon(QPixmap(":/images/cdtoparent.png")); serverCdToParentButton->setEnabled(false); serverFileList = new ShowFile; serverFileList->setEnabled(true); serverFileList->setRootIsDecorated(false); serverFileList->setHeaderLabels(QStringList() << tr("名称") << tr("大小") << tr("用户") << tr("修改日期")); serverFileList->header()->setStretchLastSection(false); statusLabel = new QLabel(tr("请输入服务器IP及用户名、密码.")); quitButton = new QPushButton(tr("退出")); buttonBox = new QDialogButtonBox; buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole); progressDialog = new QProgressDialog(this); QHBoxLayout *hLayout1 = new QHBoxLayout; hLayout1->addWidget(serverLabel); hLayout1->addWidget(serverLineEdit); hLayout1->addWidget(userNameLabel); hLayout1->addWidget(userNameLineEdit); hLayout1->addWidget(passwordLabel); hLayout1->addWidget(passwordLineEdit); hLayout1->addWidget(connectButton); // QSplitter *splitter=new QSplitter(Qt::Horizontal); // QWidget *widget = new QWidget(splitter); QHBoxLayout *hLayout211 = new QHBoxLayout; hLayout211->addWidget(clientPathLabel); hLayout211->addWidget(clientPathLineEdit); hLayout211->addWidget(clientCdToParentButton); QVBoxLayout *vLayout21=new QVBoxLayout(); vLayout21->addLayout(hLayout211); vLayout21->addWidget(clientFileList); // splitter->addWidget(widget); // QWidget *widget1 = new QWidget(splitter); QHBoxLayout *hLayout221 = new QHBoxLayout; hLayout221->addWidget(serverPathLabel); hLayout221->addWidget(serverPathLineEdit); hLayout221->addWidget(serverCdToParentButton); QVBoxLayout *vLayout22=new QVBoxLayout(); vLayout22->addLayout(hLayout221); vLayout22->addWidget(serverFileList); // splitter->addWidget(widget1); QHBoxLayout *hLayout2 = new QHBoxLayout; hLayout2->addLayout(vLayout21); hLayout2->addLayout(vLayout22); // QSplitter *splitter1=new QSplitter(Qt::Vertical,splitter); // QSplitter *splitter2=new QSplitter(Qt::Vertical,splitter); // QSplitter *splitter11=new QSplitter(Qt::Horizontal,splitter1); // splitter11->addWidget(clientPathLabel); // splitter11->addWidget(clientPathLineEdit); // splitter1->addWidget(clientFileList); // QSplitter *splitter12=new QSplitter(Qt::Horizontal,splitter2); // splitter12->addWidget(serverPathLabel); // splitter12->addWidget(serverPathLineEdit); // splitter12->addWidget(serverCdToParentButton); // splitter2->addWidget(serverFileList); QHBoxLayout *hLayout3 = new QHBoxLayout; hLayout3->addWidget(statusLabel); hLayout3->addWidget(buttonBox); QVBoxLayout *mainLayout = new QVBoxLayout; mainLayout->addLayout(hLayout1); mainLayout->addLayout(hLayout2); mainLayout->addLayout(hLayout3); setLayout(mainLayout); downloadAction = new QAction(tr("下载"), this); uploadAction = new QAction(tr("上传"), this); uploadAction->setEnabled(false); setWindowTitle(tr("NFDS")); QString clientRoot = "/"; QDir rootDir(clientRoot); clientPathLineEdit->setText(clientRoot); QStringList string; string << "*" ; QFileInfoList list=rootDir.entryInfoList(string,QDir::AllEntries|QDir::NoDotAndDotDot,QDir::DirsFirst); clientFileList->showClientFile(list,clientIsDir); } //初始化信号槽 void MainWindow::InitSlot() { connect(clientFileList,SIGNAL(itemPressed(QTreeWidgetItem*,int)), this,SLOT(SlotClientRbnClicked(QTreeWidgetItem*,int))); connect(clientFileList, SIGNAL(itemActivated(QTreeWidgetItem*,int)), this, SLOT(SlotClientToChild(QTreeWidgetItem*,int))); connect(serverFileList, SIGNAL(itemActivated(QTreeWidgetItem*,int)), this, SLOT(SlotServerToChild(QTreeWidgetItem*,int))); connect(serverFileList,SIGNAL(itemPressed(QTreeWidgetItem *, int)), this,SLOT(SlotServerRbnClicked(QTreeWidgetItem *, int))); connect(connectButton, SIGNAL(clicked()), this, SLOT(SlotConnectOrDisconnect())); connect(clientCdToParentButton,SIGNAL(clicked()), this, SLOT(SlotClientToParent())); connect(serverCdToParentButton, SIGNAL(clicked()), this, SLOT(SlotServerToParent())); connect(quitButton, SIGNAL(clicked()), this, SLOT(close())); connect(downloadAction, SIGNAL(triggered()), this, SLOT(SlotDownload())); connect(uploadAction, SIGNAL(triggered()), this, SLOT(SlotUpload())); } //![0] void MainWindow::SlotConnectOrDisconnect() { if (fileTrans) { fileTrans->abort(); fileTrans->deleteLater(); fileTrans = 0; serverFileList->clear(); serverPathLineEdit->clear(); //![0] serverFileList->setEnabled(false); serverCdToParentButton->setEnabled(false); connectButton->setEnabled(true); connectButton->setText(tr("连接")); uploadAction->setEnabled(false); #ifndef QT_NO_CURSOR setCursor(Qt::ArrowCursor); #endif statusLabel->setText(tr("请输入服务器IP及用户名、密码.")); return; } #ifndef QT_NO_CURSOR setCursor(Qt::WaitCursor); #endif if (!networkSession || !networkSession->isOpen()) { if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) { if (!networkSession) { // Get saved network configuration QSettings settings(QSettings::UserScope, QLatin1String("Trolltech")); settings.beginGroup(QLatin1String("QtNetwork")); const QString id = settings.value(QLatin1String("DefaultNetworkConfiguration")).toString(); settings.endGroup(); // If the saved network configuration is not currently discovered use the system default QNetworkConfiguration config = manager.configurationFromI