随笔居

Qt 中文乱码

#include "serialport.h"#include "Configuration.h"#include "global.h"#include <QDebug>#include <QThread>SerialPort::SerialPort(){ isRun = true; this->setAutoDelete(true);}SerialPort::~SerialPort(){ if (serial){

删除 *.pro所在目录下的 .qmake.stash。

QTime dieTime = QTime::currentTime().addMSecs(300);while( QTime::currentTime() < dieTime ) QCoreApplication::processEvents(QEventLoop::AllEvents, 100);

多线程同时调用**printf()**有时候可能会在控制台阻塞，**qDebug()**一般不会。

QPixmap fullScreenPixmap;QDateTime dt = QDateTime::currentDateTime();QString filename = dt.toString("/opt/yyyyMMddhhmmss") + ".png";fullScreenPixmap = QPixmap::grabWindow(QApplication::desktop()->winId());fullScreenPixmap.save(filename);