QT 进度条的使用
QProgressBar myPressBar = new QProgressBar(this);
myPressBar->setGeometry(10,60,80,30);
myPressBar->setStyleSheet("QProgressBar {border: 2px solid grey;border-radius: 5px;text-align: center;}");
需要显示进度条就 myPressBar->show();
不需要进度条是就 myPressBar->hide();
要随时更信进度:myPressBar->setValue(整形变量);