C++ day3

 

 

widget样式表

*{background-color: rgb(255, 255, 255);
}
QFrame#frame{border-radius:25px;border-image: url(:/Logo/shanChuan.jpg);
}#frame_2{border-radius:25px;background-color: rgba(154, 154, 154, 120);
}
QLabel#label{border-radius:25px;background-color: rgba(103, 103, 103, 120);
}
#label_2{background:transparent;color: white;font: 75 15pt "Times New Roman";color: rgba(255, 255, 255, 140);
}
QLineEdit{background:transparent;border:none;border-bottom:1px solid rgba(255, 255, 255, 120);color: rgba(255, 255, 255, 120);font: 9pt "Times New Roman";
}
QPushButton#pushButton{color: rgba(255, 255, 255, 120);font: 14pt "Times New Roman";background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:1, stop:0 rgba(46, 122, 214, 255), stop:1 rgba(255, 255, 255, 255));border-radius:5px;
}QPushButton:hover#pushButton{color: rgba(255, 255, 255, 120);font: 14pt "Times New Roman";background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:1, stop:0 rgba(80, 122, 214, 255), stop:1 rgba(255, 255, 255, 255));border-radius:5px;
}QPushButton:pressed#pushButton{color: rgba(255, 255, 255, 120);font: 14pt "Times New Roman";background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:1, stop:0 rgba(46, 122, 214, 255), stop:1 rgba(255, 255, 255, 255));border-radius:5px;padding-top:5px;padding-left:5px;
}
QPushButton#closeButton{background-color: transparent;border: none;font: 75 16pt "等线";border-radius:5px;
}
QPushButton:hover#closeButton{background-color: transparent;border: none;font: 75 16pt "等线";background-color: rgba(255, 0, 0, 80);border-radius:5px;
}
QPushButton:pressed#closeButton{background-color: transparent;border: none;font: 75 16pt "等线";border-radius:5px;padding-top:5px;padding-left:5px;
}
QPushButton#shrinkButton{background-color: transparent;border: none;border-radius:5px;font: 75 30pt "等线";
}
QPushButton:hover#shrinkButton{background-color: transparent;border: none;border-radius:5px;background-color: rgba(255, 238, 244, 80);font: 75 30pt "等线";
}
QPushButton:pressed#shrinkButton{background-color: transparent;border: none;font: 75 30pt "等线";border-radius:5px;padding-top:5px;padding-left:5px;
}

widget.h

#ifndef WIDGET_H
#define WIDGET_H#include <QWidget>
#include <QMessageBox>
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACEclass Widget : public QWidget
{Q_OBJECTpublic:Widget(QWidget *parent = nullptr);~Widget();private slots:void on_pushButton_clicked();void on_closeButton_clicked();void on_shrinkButton_clicked();signals:void jumpToSecondWindow();
private:Ui::Widget *ui;
};
#endif // WIDGET_H

widget.cpp 

#include "widget.h"
#include "ui_widget.h"Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::Widget)
{ui->setupUi(this);setWindowFlag(Qt::FramelessWindowHint);// 去掉空白setAttribute(Qt::WA_TranslucentBackground);
}Widget::~Widget()
{delete ui;
}void Widget::on_pushButton_clicked()
{if(ui->actLineEdit->text() == "admin" && ui->pwdLineEdit->text() == "123456"){close();emit jumpToSecondWindow();}else{QMessageBox::critical(this, "Login Error", "账号或密码错误!");// 清空账号和密码输入行ui->actLineEdit->clear();ui->pwdLineEdit->clear();}
}void Widget::on_closeButton_clicked()
{close();
}void Widget::on_shrinkButton_clicked()
{showMinimized();
}

Second.h

#ifndef SECOND_H
#define SECOND_H#include <QWidget>namespace Ui {
class Second;
}class Second : public QWidget
{Q_OBJECTpublic:explicit Second(QWidget *parent = nullptr);~Second();
public slots:void mySlot();
private:Ui::Second *ui;
};#endif // SECOND_H

Second.cpp

#include "second.h"
#include "ui_second.h"Second::Second(QWidget *parent) :QWidget(parent),ui(new Ui::Second)
{ui->setupUi(this);
}Second::~Second()
{delete ui;
}void Second::mySlot()
{show();
}