0831 QT day1

mywnd.h

#ifndef MYWND_H
#define MYWND_H

#include 
#include
#include 

class Mywnd : public QWidget
{
    Q_OBJECT

public slots:
    void sayMes();

public:
    Mywnd(QWidget *parent = nullptr);
    ~Mywnd();

    //定义一个按钮指针
    QPushButton *keyong;
    QPushButton *bofang;
    QPushButton *guanbi;

    //定义一个播报者
    QTextToSpeech speech;
};
#endif // MYWND_H

mywnd.cpp 

#include "mywnd.h"
#include



Mywnd::Mywnd(QWidget *parent): QWidget(parent)
{
    this->resize(1024,768);//重新设置主控件大小

    this->setWindowTitle("播放器");

    //背景颜色
    this->setBackgroundRole(QPalette::Dark);
    this->setAutoFillBackground(true);

    keyong=new QPushButton(this);
    keyong->resize(150,50);
    keyong->move(100,height()/2);
    keyong->setText("可用");

    bofang=new QPushButton(this);
    bofang->resize(150,50);
    bofang->move(100+keyong->width(),height()/2);
    bofang->setText("播放");

    guanbi=new QPushButton(this);
    guanbi->resize(150,50);
    guanbi->move(100+keyong->width()+bofang->width(),height()/2);
    guanbi->setText("关闭");

    connect(bofang,&QPushButton::clicked,this,&Mywnd::sayMes);

    connect(bofang,&QPushButton::clicked,this,[=](){
        bofang->setEnabled(false);
    });

    connect(keyong,&QPushButton::clicked,this,[=](){
        bofang->setEnabled(true);
    });

    connect(guanbi,&QPushButton::clicked,this,[=](){
        this->close();
    });
}

void Mywnd::sayMes()
{
    speech.say(guanbi->text());
}

Mywnd::~Mywnd()
{
}