C/C++ -- Gui编程 -- Qt库的使用 -- 理解主窗体构造函数

 1 #include "mywidget.h"
 2 #include "ui_mywidget.h"
 3 #include <QPushButton>
 4 
 5 MyWidget::MyWidget(QWidget *parent) :
 6     QWidget(parent),
 7     ui(new Ui::MyWidget)
 8 {
 9     ui->frame = new QFrame(this);
10     ui->frame->setFrameShape(QFrame::Box);
11     QPushButton* btn1 = new QPushButton("胡芦包", ui->frame);
12     ui->setupUi(this);
13     QPushButton* btn2 = new QPushButton("木瓜酥", ui->frame);
14 }
15 
16 MyWidget::~MyWidget()
17 {
18     delete ui;
19 }