这篇文章主要介绍“Qt通用方法及类库怎么使用”，在日常操作中，相信很多人在Qt通用方法及类库怎么使用问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”Qt通用方法及类库怎么使用”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！
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//设置标签颜色 static void setLabStyle(QLabel *lab, quint8 type, const QString &bgColor = "", const QString &textColor = ""); //设置窗体居中显示 static void setFormInCenter(QWidget *frm); //设置翻译文件 static void setTranslator(const QString &qmFile = ":/image/qt_zh_CN.qm"); //设置编码 static void setCode(); //设置延时 static void sleep(int msec); //设置系统时间 static void setSystemDateTime(const QString &year, const QString &month, const QString &day, const QString &hour, const QString &min, const QString &sec); //设置开机自启动 static void runWithSystem(const QString &strName, const QString &strPath, bool autoRun = true);
void QUIHelper::setLabStyle(QLabel *lab, quint8 type, const QString &bgColor, const QString &textColor)
{
QString colorBg = bgColor;
QString colorText = textColor;
//如果设置了新颜色则启用新颜色
if (bgColor.isEmpty() || textColor.isEmpty()) {
if (type == 0) {
colorBg = "#D64D54";
colorText = "#FFFFFF";
} else if (type == 1) {
colorBg = "#17A086";
colorText = "#FFFFFF";
} else if (type == 2) {
colorBg = "#47A4E9";
colorText = "#FFFFFF";
} else if (type == 3) {
colorBg = "#282D30";
colorText = "#FFFFFF";
} else if (type == 4) {
colorBg = "#0E99A0";
colorText = "#FFFFFF";
} else if (type == 5) {
colorBg = "#A279C5";
colorText = "#FFFFFF";
} else if (type == 6) {
colorBg = "#8C2957";
colorText = "#FFFFFF";
} else if (type == 7) {
colorBg = "#04567E";
colorText = "#FFFFFF";
} else if (type == 8) {
colorBg = "#FD8B28";
colorText = "#FFFFFF";
} else if (type == 9) {
colorBg = "#5580A2";
colorText = "#FFFFFF";
}
}
QStringList qss;
//禁用颜色
qss << QString("QLabel::disabled{background:none;color:%1;}").arg(QUIConfig::BorderColor);
//正常颜色
qss << QString("QLabel{border:none;background-color:%1;color:%2;}").arg(colorBg).arg(colorText);
lab->setStyleSheet(qss.join(""));
}
void QUIHelper::setFormInCenter(QWidget *frm)
{
int frmX = frm->width();
int frmY = frm->height();
QDesktopWidget w;
int deskWidth = w.availableGeometry().width();
int deskHeight = w.availableGeometry().height();
QPoint movePoint(deskWidth / 2 - frmX / 2, deskHeight / 2 - frmY / 2);
frm->move(movePoint);
}
void QUIHelper::setTranslator(const QString &qmFile)
{
QTranslator *translator = new QTranslator(qApp);
translator->load(qmFile);
qApp->installTranslator(translator);
}
void QUIHelper::setCode()
{
#if (QT_VERSION <= QT_VERSION_CHECK(5,0,0))
#if _MSC_VER
QTextCodec *codec = QTextCodec::codecForName("gbk");
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
#endif
QTextCodec::setCodecForLocale(codec);
QTextCodec::setCodecForCStrings(codec);
QTextCodec::setCodecForTr(codec);
#else
QTextCodec *codec = QTextCodec::codecForName("utf-8");
QTextCodec::setCodecForLocale(codec);
#endif
}
void QUIHelper::sleep(int msec)
{
if (msec > 0) {
#if (QT_VERSION < QT_VERSION_CHECK(5,7,0))
QTime endTime = QTime::currentTime().addMSecs(msec);
while (QTime::currentTime() < endTime) {
QCoreApplication::processEvents(QEventLoop::AllEvents, 100);
}
#else
QThread::msleep(msec);
#endif
}
}
void QUIHelper::setSystemDateTime(const QString &year, const QString &month, const QString &day, const QString &hour, const QString &min, const QString &sec)
{
#ifdef Q_OS_WIN
QProcess p(0);
p.start("cmd");
p.waitForStarted();
p.write(QString("date %1-%2-%3\n").arg(year).arg(month).arg(day).toLatin1());
p.closeWriteChannel();
p.waitForFinished(1000);
p.close();
p.start("cmd");
p.waitForStarted();
p.write(QString("time %1:%2:%3.00\n").arg(hour).arg(min).arg(sec).toLatin1());
p.closeWriteChannel();
p.waitForFinished(1000);
p.close();
#else
QString cmd = QString("date %1%2%3%4%5.%6").arg(month).arg(day).arg(hour).arg(min).arg(year).arg(sec);
system(cmd.toLatin1());
system("hwclock -w");
#endif
}
void QUIHelper::runWithSystem(const QString &strName, const QString &strPath, bool autoRun)
{
#ifdef Q_OS_WIN
QSettings reg("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", QSettings::NativeFormat);
reg.setValue(strName, autoRun ? strPath : "");
#endif
}到此，关于“Qt通用方法及类库怎么使用”的学习就结束了，希望能够解决大家的疑惑。理论与实践的搭配能更好的帮助大家学习，快去试试吧！若想继续学习更多相关知识，请继续关注创新互联网站，小编会继续努力为大家带来更多实用的文章！
