安庆师范学院计算机与信息学院
Anqing teacher school College of computer and information
voidWidget::onDownloadProgress(qint64bytesReceived,qint64bytesTotal) {
if(bytesTotal>0) {
intvalue=(bytesReceived*100)/bytesTotal; m_progress->setValue(value); } }
voidWidget::onUploadProgress(qint64bytesSent,qint64bytesTotal) {
if(bytesTotal>0) {
intvalue=(bytesSent*100)/bytesTotal; m_progress->setValue(value); } }
voidWidget::onReadyRead() {
QByteArraydata=m_reply->readAll();
m_stateText->append(QString(\).arg(data.length())); if(m_file) {
m_file->write(data); } }
voidWidget::onFinished() {
QStringstrState=m_reply->error()==QNetworkReply::NoError?\\:m_reply->errorString();
m_stateText->append(QString(\) .arg(strState));
m_stateText->append(\); resetState(); }
voidWidget::resetState() {
if(m_file) {
m_file->close();
第33页共61页
面向对象程序设计：实验报告
安庆师范学院计算机与信息学院
Anqing teacher school College of computer and information
deletem_file; m_file=0; }
if(m_request) {
deletem_request; m_request=0; }
if(m_reply) {
m_reply->disconnect(this); m_reply->deleteLater(); m_reply=0; }
enableControls(); }
boolWidget::openFile(boolsave,QString&errorString) {
if(m_strFilePath.isEmpty()) {
errorString=\; returnfalse; }
if(m_file) {
deletem_file; m_file=0; }
m_file=newQFile(m_strFilePath);
if(!m_file->open(save?QFile::WriteOnly:QFile::ReadOnly)) {
errorString=m_file->errorString(); deletem_file; m_file=0; returnfalse; }
returntrue; }
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面向对象程序设计：实验报告
安庆师范学院计算机与信息学院
Anqing teacher school College of computer and information
六、实验结果与分析
第35页共61页
面向对象程序设计：实验报告
安庆师范学院计算机与信息学院
Anqing teacher school College of computer and information
第36页共61页
面向对象程序设计：实验报告
安庆师范学院计算机与信息学院
Anqing teacher school College of computer and information
七、教师评价
第37页共61页
面向对象程序设计：实验报告