CSS.zip_QT CSS_qt 窗口_考试 QT

#include <QtGui> #include "TestWidget.h" TestWidget::TestWidget(QWidget * parent, Qt::WindowFlags f) : QWidget(parent, f) { ui.setupUi(this); remain = 45; startTimer(60*1000); } void TestWidget::on_comboBox_currentIndexChanged(const QString & text) { QFile file(":/qss/" + text.toLower() + ".qss"); file.open(QFile::ReadOnly); QString styleSheet = tr(file.readAll()); qApp->setStyleSheet(styleSheet); } void TestWidget::timerEvent(QTimerEvent *event) { --remain; ui.lblRemain->setText(QString(tr("还剩%1分钟")).arg(remain)); }