QT作业实现界面

#include "widget.h"
#include "ui_widget.h"
//#include<QPushButton>

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    this->setFixedSize(this->size());
    this->setWindowTitle("2023/04/26");
    this->setWindowIcon(QIcon(":/logo.png"));
    speech = new QTextToSpeech(this);
    //图片自适应大小
    ui->label_logo->setScaledContents(true);
    ui->label_logo->setPixmap(QPixmap(":/logo.png"));
    ui->label_1->setScaledContents(true);
    ui->label_1->setPixmap(QPixmap(":/userName.jpg"));
    ui->label_2->setScaledContents(true);
    ui->label_2->setPixmap(QPixmap(":/passwd.jpg"));
    //行编辑器
    ui->lineEdit_zhanghao->setEchoMode(QLineEdit::Normal);
    ui->lineEdit_zhanghao->setPlaceholderText("账号/手机号");
    ui->lineEdit_mima->setEchoMode(QLineEdit::Password);
    ui->lineEdit_mima->setPlaceholderText("密码");

    //按钮
    ui->btn1login->setIcon(QIcon(":/login.png"));
    ui->btn2cancle->setIcon(QIcon(":/cancel.png"));
    //ui->btn1login->setText("aaa");
    //QT4
    connect(ui->btn1login, SIGNAL(clicked()), this, SLOT(my_slot1()));
    //QT5
     connect(ui->btn1login, &QPushButton::clicked, this, &Widget ::my_slot1);
    //
    connect(ui->btn1login, &QPushButton::clicked, [&](){
        if(ui->lineEdit_zhanghao->text() == "admin" && ui->lineEdit_mima->text() == "123456")
        {
            speech->say("登录成功");

        }
        else
        {
            speech->say("登录失败");
        }


    });

}

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

void Widget::my_slot1()
{
    if(ui->lineEdit_zhanghao->text() == "admin" && ui->lineEdit_mima->text() == "123456")
    {
        speech->say("登录成功");
      
    }
    else
    {
        speech->say("登录失败");
    }
}