【轉】Qt多線程操作介面---在QThread更新QProgressBar

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#include <QApplication>#include <QThread>#include <QMainWindow>#include <QProgressBar>#include <QPushButton>class RenderThread : public QThread{        Q_OBJECTsignals:        void notify(int);public:        RenderThread(QObject *parent = 0): QThread(parent)        {        };        void test()        {                start(HighestPriority);        };protected:    void run()        {                int i =0;                while (i<101)                {                        msleep(50);                        i++;                        emit notify(i);                }        };};class MainWindow : public QMainWindow{    Q_OBJECTpublic:    MainWindow(QWidget *parent = 0)    {        resize(600, 400);        centralWidget = new QWidget(this);        progressBar = new QProgressBar(centralWidget);        progressBar->setGeometry(QRect(130, 180, 321, 23));        progressBar->setValue(0);        pushButton = new QPushButton("test",centralWidget);        pushButton->setGeometry(QRect(110, 100, 75, 23));        QObject::connect(pushButton, SIGNAL(clicked()), this, SLOT(OnClicked()));        this->setCentralWidget(centralWidget);    };    ~MainWindow(){};private:    QProgressBar *progressBar;    QPushButton *pushButton;    QWidget *centralWidget;    RenderThread render;public slots:    void OnClicked()    {        connect(&render,SIGNAL(notify(int)),this,SLOT(OnNotify(int)));        render.test();        };    void OnNotify(int i)    {        progressBar->setValue(i);        };};#include "test.moc"int main(int argc,char* argv[]){    QApplication app(argc,argv);    MainWindow window;    window.show();    return app.exec();}

http://blog.csdn.net/tingsking18/article/details/5096172

【轉】Qt多線程操作介面---在QThread更新QProgressBar