QT LCDNumber使用

#include "hello.h"
#include <qthread.h>
#include <QVariant>
#include <qstring.h>

Hello::Hello(QWidget *parent)
    : QDialog(parent)
{
    
    ui.setupUi(this);
    
    ui.slider->setRange(0,1000);
    connect(ui.slider,SIGNAL(valueChanged(int)),ui.lcd,SLOT(display(int)));
}

Hello::~Hello()
{

}