3-3-QmessageDialog、QcolorDialog

1、效果2、代码

color_dialog

msg_dialog

widget.cpp

#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Widget)
{
    ui->setupUi(this);
    Init();
}

Widget::~Widget()
{
    delete ui;
}

void Widget::Init()
{
    //信号与槽
    connect(ui->pushButton,SIGNAL(clicked()),this,SLOT(doProcessClickedPushbtn()));
    connect(ui->btn2,SIGNAL(clicked()),this,SLOT(doProcessClickedColorbtn()));
}

//color_dialog 静态
/ColorDialogue//
void Widget::doProcessClickedColorbtn(){
    qDebug()<<"clicked clor pushbutton"<label->palette();//获取palettle
        pe.setColor(QPalette::WindowText,mycolor);
        ui->label->setPalette(pe);
    }
}


//msg_dialog 静态
MessageDialogue/
void Widget::doProcessClickedPushbtn()
{
    qDebug()<<"clicked pushbutton"< 
widget.h
 
#ifndef WIDGET_H
#define WIDGET_H

#include 
#include 
#include 
#include 
namespace Ui {
class Widget;
}

class Widget : public QWidget
{
    Q_OBJECT

public:
    explicit Widget(QWidget *parent = nullptr);
    ~Widget();

private:
    Ui::Widget *ui;

    void Init();
private slots:
    void doProcessClickedPushbtn();
    void doProcessClickedColorbtn();

};


#endif // WIDGET_H