使用QT实现的ftp客户端工具，QT版本：5.6

#include "PromangeDlg.h" #include <QMessageBox> #include <QTableWidgetItem> #include <QStringList> #include <QFileDialog> #include <QTextCodec> #include <QTimer> #include <QDataStream> QString ftpIP="192.168.99.22"; int ftpPort=21; QString ftpUser="root"; QString ftpPassword="xuanjing"; extern QString ServerIp; network *m_net; /****************************************************** *函数名称:CRC32Le *输 入:p 要校验的数据 len 校验数据的长 *输 出:校验值 *功 能:循环冗余校验-32 （0xedb88320） *******************************************************/ #define CRCPOLY_LE 0xedb88320 int crc32_le(unsigned char const *p, unsigned long len) { int i; int crc = 0; while (len--) { crc ^= *p++; for (i = 0; i < 8; i++) crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0); } return crc; } PromangeDlg::PromangeDlg(QWidget *parent) : QMainWindow(parent), Shakehands(0), sendok(0),puttype(0), bitfilemark1(0), bitfilemark2(0) { ui.setupUi(this); //ui.frame->setStyleSheet("QFrame{background-color:rgbk(150,150,150,100);}"); //this->installEventFilter(this); setFixedSize(this->width(), this->height()); m_net = new network(this); connect(m_net, SIGNAL(devslg(int)),this,SLOT(replaydevslg(int))); ui.update_msg->setStyleSheet("QLabel{color:red;}"); m_ftp = new QFtp; connect(m_ftp, SIGNAL(commandFinished(int, bool)), this, SLOT(replycommandFinished(int, bool))); connect(m_ftp,SIGNAL(listInfo(const QUrlInfo&)),this,SLOT(filelist(const QUrlInfo&))); connect(m_ftp, SIGNAL(dataTransferProgress(qint64, qint64)), this, SLOT(updatedataTransferProgress(qint64, qint64))); getfilelist = false; ui.tableWidget->setColumnWidth(0, 350); ui.tableWidget->setColumnWidth(1, 150); ui.tableWidget->setColumnWidth(2, 200); ui.tableWidget->setColumnWidth(3, 150); ui.tableWidget->setColumnWidth(4, 100); //ui.tableWidget->setAlternatingRowColors(true); ui.tableWidget->setEditTriggers(QTableWidget::NoEditTriggers); ui.ftp_passwd->setEchoMode(QLineEdit::Password); ui.ftp_url->setPlaceholderText("192.168.8.8"); ui.ftp_user->setPlaceholderText("root"); ui.ftp_passwd->setPlaceholderText("******"); m_movie = new QMovie("./img/mo4.gif"); m_lable = new QLabel(this); m_lable->setGeometry(this->width() / 2 - 50, this->height() / 2 - 60, 100, 100); m_lable->setAttribute(Qt::WA_TranslucentBackground); m_lable->setMovie(m_movie); m_timer = new QTimer; connect(m_timer, SIGNAL(timeout()),this,SLOT(replaytimeout())); } PromangeDlg::~PromangeDlg() { delete m_ftp; } void PromangeDlg::replycommandFinished(int id,bool err) { if (m_ftp->currentCommand()==QFtp::ConnectToHost) { if (err) { QMessageBox msg(QMessageBox::NoIcon,"提示","无法连接文件服务器"); msg.exec(); } } else if (m_ftp->currentCommand() == QFtp::Login) { if (err) { QMessageBox msg(QMessageBox::NoIcon, "提示", "连接到文件服务器的账户信息错误"); msg.exec(); } } else if (m_ftp->currentCommand()==QFtp::Put) { ui.progressBar->setMaximum(100); ui.progressBar->setValue(0); if (err) { QMessageBox::information(NULL, "提示", "上传文件失败!"); } else { if (puttype ==0) //上传视频 { getfilelist = true; m_ftp->list("/home/ftp/upload/"); sendok = true; QByteArray ba; ba.append("AAAAA1"); if (!m_net->sendcmd(ba)) { //QMessageBox::information(this, tr("提示"), tr("发布失败，通信故障!")); } ui.btn_del->setEnabled(true); ui.btn_export->setEnabled(true); ui.btn_find->setEnabled(true); ui.btn_import->setEnabled(true); ui.groupBox_up->setEnabled(true); } else if (puttype == 2) //升级固件 fpga { m_movie->start(); m_lable->show(); m_timer->start(1000); //启动检测定时器 m_ftp->rename("/home/ftp/bin/updatebak.bin", "/home/ftp/bin/update.bin"); ui.update_msg->setText("等待设备固化升级文件，请稍后..."); } else if (puttype == 1) //升级固件 { m_ftp->rename("/home/ftp/bin/updatebak.bin", "/home/ftp/bin/update.bin"); ui.btn_del->setEnabled(true); ui.btn_export->setEnabled(true); ui.btn_find->setEnabled(true); ui.btn_import->setEnabled(true); ui.groupBox_up->setEnabled(true); QMessageBox::information(this, tr("提示"), tr("固件1升级成功!")); } } m_pFile->close(); } else if (m_ftp->currentCommand()==QFtp::Get) { if (err) { QMessageBox::information(NULL, "提示", "下载失败!"); } else { QMessageBox::information(NULL, "提示", "下载成功!"); } m_pFileexport->close(); ui.progressBar->setMaximum(100); ui.progressBar->setValue(0); ui.btn_del->setEnabled(true); ui.btn_export->setEnabled(true); ui.btn_find->setEnabled(true); } else if (m_ftp->currentCommand() == QFtp::Remove) { if (err) { QMessageBox::information(NULL, "提示", "删除失败!"); } else { QMessageBox::information(NULL, "提示", "删除成功!"); getfilelist = true; puttype = 0; m_ftp->list("/home/ftp/upload/"); } } if (m_ftp->currentCommand()==QFtp::List) { } } void PromangeDlg::filelist(const QUrlInfo& urlinfo) { if (puttype==0) { if (getfilelist) { ui.tableWidget->setRowCount(0); ui.tableWidget->clearContents(); m_row = 0; getfilelist = false; } QString filename = QString::fromUtf8(urlinfo.name().toLatin1()); ui.tableWidget->insertRow(m_row); ui.tableWidget->setItem(m_row, 0,new QTableWidgetItem(filename)); ui.tableWidget->setItem(m_row, 1, new QTableWidgetItem(m_net->byteconvertmkb(urlinfo.size()))); ui.tableWidget->setItem(m_row, 2, new QTableWidgetItem(urlinfo.lastModified().toString("yyyy-MM-dd hh:mm:ss"))); QString filetype; if (urlinfo.isDir()) { filetype = "文件夹"; } else { QStringList strlist = filename.split("."); if (strlist.count()>=2) { int kk = strlist.count() - 1; if (strlist[kk]=="bmp" || strlist[kk] == "gif"|| strlist[kk] == "jpg"|| strlist[kk] == "png") { filetype = "图片文件"; } else if (strlist[kk] == "avi"|| strlist[kk] == "mpg"|| strlist[kk] == "mov"|| strlist[kk] == "mp4") { filetype = "视频文件"; } else if (strlist[kk] == "txt" || strlist[kk] == "ini" ) { filetype = "文本文件"; } else filetype = "文件"; } else { filetype = "文件"; } } ui.tableWidget->setItem(m_row, 3, new QTableWidgetItem(filetype)); ui.tableWidget->setItem(m_row, 4, new QTableWidgetItem(QString::number(urlinfo.permissions()))); m_row++; } else if (puttype==2) //fpga { QString filename = QString::fromUtf8(urlinfo.name().toLatin1()); if (filename=="bitstream") { bitfilemark1 = 1; bitfilemark2 = 1; } } } void PromangeDlg::updatedataTransferProgress(qint64 readbyte, qint64 totalbyte) { ui.progressBar->setMaximum(totalbyte); ui.progressBar->setValue(readbyte); } void PromangeDlg::importfile() { static QString oldpath = "."; //*.avi *.mp4 *.mov *.rmvb *.rm *.asf *.divx *.mpg *.*.aac *.wmv *.jpg *.png QString path = QFileDialog::getOpenFileName(this, "选择上传文件", oldpath, "files(*.*)"); oldpath = path; if (path.length() != 0) { m_pFile = new QFile(path); if (!m_pFile->open(QIODevice::ReadOnly)) { m_pFile->close(); QMessageBox::information(this, tr("提示"), tr("文件打开失败!")); return; } int i = path.lastIndexOf('/'); QString importfilename = path.right(path.length() - i - 1); Shakehands = 0; sendok = false; QByteArray ba; ba.append("AAAAA2"); if (m_net->sendcmd(ba)) { if (AckWait(1000 * 3)) { puttype = 0; m_ftp->put(m_pFile, "/home/ftp/upload/" + QString::fromLatin1(importfilename.toUtf8())); ui.btn_del->setEnabled(false); ui.btn_export->setEnabled(