鎾斁涓枃鍚嶆枃浠舵椂闇瑕佸皢鏂囦歡鍚嶅瓧絎︿覆杞崲涓簎tf8錛屽鍦≦t涓嬪紑鍙戣繘琛岀殑鎿嶄綔錛歠ileName.toUtf8();
鍏朵粬錛歨ttp://www.cnitblog.com/buf/archive/2012/10/10/74993.html
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2 鍦≦LineEdit杈撳叆妗嗕腑鐩戝惉鍒皌extChanged鏃訛紝瀵逛簬杈撳叆鐨勫瓧姣嶈繘琛屽垽鏂鐞嗭細
1錛夋牴鎹渶鍚庝竴涓瓧姣嶆悳绱㈠埌鍖歸厤鐨勬眽瀛楋紱
2錛夊鏋滆繖涓槸絎竴涓瓧姣嶏紝閭ｄ箞鏍規嵁榪欎簺姹夊瓧鍘繪煡璇㈡暟鎹粨鏋滐紝濡傛灉鏌ヨ鍒幫紝鍒欒鍏ュ唴瀛橈紙Hash琛級涓紱濡傛灉涓嶆槸絎竴涓瓧姣嶏紝灝辮鏍規嵁鍓嶉潰鐨勫唴瀛樿〃鍐嶈繛鎺ヨ繖涓眽瀛楀垪琛ㄦ潵鏌ヨ鏁版嵁緇撴灉錛屽鏋滄煡璇㈠埌緇撴灉澶т簬0涓紝鍒欒鍏ュ唴瀛樹腑銆?
3 瀵逛簬鍐呭瓨涓凡瀛樺湪鐨勭粨鏋滐紝鐩存帴鍖歸厤鏁版嵁搴擄紝鐩存帴鏌ヨ鏁版嵁搴撶粨鏋溿?
娉ㄦ剰錛氬鏋滈亣鍒板瓧絎︽牸寮忛棶棰橈紝璇蜂嬌鐢╰oLocal8Bit()鏂規硶銆?nbsp; 闃呰鍏ㄦ枃
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xtuple錛宱penrpt錛宑svimp
2 緙栬瘧
鍏堢紪璇憃penrpt錛屽啀緙栬瘧csvimp錛屾渶鍚庣紪璇憍tuple
灝界global.pri閲屽厑璁竜penrpt鍜宑svimp鍦▁tuple鐩綍鐨?./錛?./../錛?./../../錛屼粛鐒跺緩璁皢浠栦滑騫跺垪鏀劇疆銆?
娉細璇峰嬁淇敼榪?涓枃浠跺す鍚嶇О錛屽惁鍒欓渶瑕佷慨鏀筭lobal.pri
緙栬瘧鏃墮棿瓚呰繃1灝忔椂
3 瀹夎PostgresSQL
緙栬瘧瀹屾垚鍚庤繍琛岋紝褰撶劧榪炰笉涓婃暟鎹簱銆傚畨瑁匬ostgresSQL 9.0錛岃涓嶈鍦ㄧ洰褰曚腑鍖呭惈絀烘牸銆?
4 緙栬瘧Qt瀵筆ostgresSQL鐨勯┍鍔ㄦ彃浠?
緙栬瘧鏂規硶錛歨ttp://www.qtcentre.org/wiki/index.php?title=Building_the_QPSQL_plugin_on_Windows_using_MinGW
姝ラ榪涜綆鍗曟弿榪幫細
1錛夊湪鏀寔mingw緙栬瘧鍣ㄧ殑鍛戒護琛屼腑杈撳叆銆?
command錛氶粯璁?nbsp; 闃呰鍏ㄦ枃
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void Settings::writeSettings()
{
QSettings settings("Seahouse-pub", "Settings Test"); settings.beginGroup("MainWindow"); settings.setValue("size", size()); settings.setValue("pos", pos()); settings.endGroup();
}void Settings::readSettings(){ QSettings settings("Seahouse-pub", "Settings Test"); settings.beginGroup("MainWindow"); resize(settings.value("size", QSize(400, 400)).toSize()); move(settings.value("pos", QPoint(200, 200)).toPoint()); settings.endGroup();}2 鏂囦歡
QSettings settings(fileName, QSettings::IniFormat);
3 鏁扮粍
璇誨嚭
struct Login { QString userName; QString password; }; QList<Login> logins; 
QSettings settings; int size = settings.beginReadArray("logins"); for (int i = 0; i < size; ++i) { settings.setArrayIndex(i); Login login; login.userName = settings.value("userName").toString(); login.password = settings.value("password").toString(); logins.append(login); } settings.endArray();鍐欏叆
struct Login { QString userName; QString password; }; QList<Login> logins; QSettings settings; settings.beginWriteArray("logins"); for (int i = 0; i < logins.size(); ++i) { settings.setArrayIndex(i); settings.setValue("userName", logins.at(i).userName); settings.setValue("password", logins.at(i).password); } settings.endArray();]]>
紺轟緥
QCoreApplication a(argc, argv); Log4Qt::Logger *logger = Log4Qt::Logger::rootLogger(); Log4Qt::FileAppender *fileAppender = new Log4Qt::FileAppender(); fileAppender->setName("Log4QtTest"); fileAppender->setFile("20110425.log"); Log4Qt::TTCCLayout *layout = new Log4Qt::TTCCLayout(Log4Qt::TTCCLayout::ISO8601); fileAppender->setLayout(layout); fileAppender->activateOptions(); logger->addAppender(fileAppender); logger->error("error message: %1, %2", __FILE__, __LINE__); logger->debug("debug message."); return a.exec();]]>
瀹炰緥錛?br>
int main(int argc, char *argv[])
{
QApplication a(argc, argv); Dialog w; Form f;// w.show(); if (w.exec() == QDialog::Accepted)
{ f.show();
} return a.exec();
}鐩稿叧錛?a >http://book.51cto.com/art/201101/242612.htm
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QPoint point;
point.setX(btnMenu->x());
point.setY(btnMenu->y() + btnMenu->height());
point = mapToGlobal(point);
QAction *action = menu->exec(point); 闃呰鍏ㄦ枃
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QString text;
switch (type)
{
case QtDebugMsg:
text = QString("Debug: %1").arg(msg);
break;
case QtWarningMsg:
text = QString("Warning: %1").arg(msg);
break;
case QtCriticalMsg:
text = QString("Critical: %1").arg(msg);
break;
case QtFatalMsg:
text = QString("Fatal: %1").arg(msg);
abort() 闃呰鍏ㄦ枃
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QPushButton *editor = new QPushButton(tr("鍒犻櫎"), parent);
connect(editor, SIGNAL(clicked()), signalMapper, SLOT(map()));
signalMapper->setMapping(editor, index.data(Qt::UserRole + 2).toString());
return editor; 闃呰鍏ㄦ枃
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3 std::string涓嶲String杞崲銆?
4 QLabel鏍規嵁瀛楃鐨勯暱搴﹀喅瀹氭槸鍚︽樉紺虹渷鐣ュ彿"..."銆?
5 QGridLayout涓庢帶浠剁殑楂樺害闂
闃呰鍏ㄦ枃
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3 鍦ㄤ唬鐮佷腑榪涜璇誨彇浣跨敤
QFile file(":/calendar.qss");
file.open(QFile::ReadOnly);
QString styleSheet = QLatin1String(file.readAll());
qApp->setStyleSheet(styleSheet);
file.close();
闃呰鍏ㄦ枃
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2 閫氳繃connect璁劇疆淇″彿妲斤紝闇瑕丵Object鐨勬敮鎸侊紝鍥犳鍦ㄦ瀯閫犲嚱鏁伴噷涓庡ご鏂囦歡涓渶瑕佷慨鏀逛唬鐮併?nbsp; 闃呰鍏ㄦ枃
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