QT-Day2:

练习;

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

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    speech =new QTextToSpeech(this);
    //设置窗口标题
    this->setWindowTitle("小草君");
    //设置窗体图标
    this->setWindowIcon(QIcon("D:\\C++\\23021C++\\1.jpg"));
    this->setFixedSize(this->size());         // 设置固定尺寸
    //设置标签 自适应大小
    ui->logoLab->setScaledContents(true);
    //设置logo
    ui->logoLab->setPixmap(QPixmap("D:\\C++\\23021C++\\baidu.jpg"));
    //设置账户和密码使用图片表示
    ui->userNameLab->setScaledContents(true);
    ui->pwdLab->setScaledContents(true);
    ui->userNameLab->setPixmap(QPixmap(":/icon/userName.jpg"));
    ui->pwdLab->setPixmap(QPixmap(":/icon/passwd.jpg"));

    //对行编辑器进行设置
    ui->userNameEdit->setPlaceholderText("账户/手机/邮箱");
    ui->pwdEdit->setEchoMode(QLineEdit::Password);      //设置密文模式
    ui->pwdEdit->setPlaceholderText("密码");            //设置默认值

    //给按钮设置图标
    ui->loginBtn->setIcon(QIcon(":/icon/login.png"));
    ui->loginBtn->setText("登陆");
    ui->cancelBtn->setIcon(QIcon(":/icon/cancel.png"));

}

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

//取消按钮-对应的槽函数
void Widget::on_cancelBtn_clicked()
{
    //属性版本完成
    QMessageBox box(QMessageBox::Question,"询问","您是否确定要退出登录",
                    QMessageBox::Yes|QMessageBox::No);
    int ret = box.exec();

    //对结果进行判断
    if(ret==QMessageBox::Yes)
    {
       this->close();
    }else if(ret==QMessageBox::No){
         ;
    }

}
//语音播报
void Widget:: my_slot1()
{
    speech->say(ui->loginBtn->text());
}

void Widget::on_loginBtn_clicked()
{
    QString userName=ui->userNameEdit->text();
    QString pwd=ui->pwdEdit->text();
    if(userName=="123456"&&pwd=="123456")
    {
        //信息对话框
        QMessageBox::information(this,"登录信息","登录成功");
        qDebug()<<"登录成功";
        this->close();
    }
    else{
        QMessageBox::StandardButton btn= QMessageBox::critical(this,
                              "失败信息",
                              "账号或密码错误",
                              QMessageBox::Yes|QMessageBox::No);
        //对用点击的结果进行判断
        if(btn==QMessageBox::Yes)
        {
            ui->pwdEdit->clear();
        }else if(btn==QMessageBox::No)
        {
            this->close();
        }
        qDebug()<<"登陆失败";
        ui->pwdEdit->clear();
    }
}