Qt 静态库和共享库创建以及使用

 1 #include "staticclass.h"
 2 #include "ui_staticclass.h"
 3 #include<QTimer>
 4 
 5 staticClass::staticClass(QWidget *parent)
 6     : QMainWindow(parent)
 7     , ui(new Ui::staticClass)
 8 {
 9     ui->setupUi(this);
10     steps = 0;
11 
12     timer = new QTimer();
13     connect(timer, &QTimer::timeout, this, &staticClass::updateTime);
14 }
15 
16 staticClass::~staticClass()
17 {
18     if(timer)
19     {
20         delete timer;
21         timer = nullptr;
22     }
23     delete ui;
24 }
25 
26 
27 void staticClass::on_btnStart_clicked()
28 {
29     timer->start(500);
30 }
31 
32 void staticClass::updateTime()
33 {
34     ++ steps;
35     ui->lcdNumber->display(QString::number(steps));
36 }
37 
38 void staticClass::on_btnStop_clicked()
39 {
40     timer->stop();
41 }