#include "widget.h" #include "ui_widget.h" #include #include //通信套接字 void tray_scan() { qDebug("1"); } Widget::Widget(QWidget *parent) : QWidget(parent) , ui(new Ui::Widget) { ui->setupUi(this); qDebug("hello world"); connect(ui->stard_scan,&QPushButton::pressed,this,tray_scan);//扫描按钮被按下 } Widget::~Widget() { delete ui; }