我创建了一个自己的thread类，
mythread.h
class myThread: public QThread
{
Q_OBJECT
public:
myThread(QString p1,QString p2,double p3);
private:
QString stockId;
QString txnDt;
double fiveVal;
void run();
void updTbl();
signals:
void itemFinished(const QString SI);
void changeText(QString str);
};
mythread.cpp
myThread::myThread(QString p1, QString p2, double p3)
{
stockId=p1;
txnDt=p2;
fiveVal=p3;
}
void myThread::run()
{
sleep(1);
updTbl();
emit itemFinished(stockId);
}
void myThread::updTbl()
{
.......
}
然后在一个QDialog中这样使用
QThread *thread = new myThread(stockId,txnDt,fiveVal);
qRegisterMetaType<QString>("");
connect(thread,SIGNAL(changeText(QString)),this,SLOT(setLabelTxt(QString)),Qt::QueuedConnection);
connect(thread,SIGNAL(itemFinished(const QString)),this,SLOT(deleteThread()));
thread->start();
在运行的时候报错QThread::start: Failed to create thread (????????Ч??)，这是怎么回事？怎么调试啊，高手支招哈，多谢了
