QSS/QFrame/connect/两个窗口界面的连接/窗口的优化
制作一个应用程序的登录界面,并对界面进行相关优化 要求: 1.qss实现 2.需要有图层的叠加(QFrame) 2.需要有图层的叠加(QFrame) 3.设置纯争窗口后,有关闭等窗口功能。 3.设置纯争窗口后,有关闭等窗口功能. 4.如果账号密码正确,则实现登录界面关闭,另一个应用界面显示。 第一个窗口界面: widget.cpp
#include "widget.h"
#include "ui_widget.h"Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::Widget)
{ui->setupUi(this);this->setWindowTitle("Shanghai");//设置窗口标题this->setWindowIcon(QIcon(":/Logo/shangHai.jpg"));//设置窗口图标this->setWindowFlag(Qt::FramelessWindowHint);//隐藏窗口图标this->setAttribute(Qt::WA_TranslucentBackground);//去除多余空白部分connect(ui->pushButton_2,&QPushButton::clicked,this,&Widget::pushButton_2);//基于QT5版本,手动连接信号与槽,关闭按钮功能实现connect(ui->pushButton_3,&QPushButton::clicked,this,&Widget::pushButton_3);//基于QT5版本,手动连接信号与槽,最小化按钮功能实现connect(ui->lineEdit_2,&QLineEdit::editingFinished,this,&Widget::lineEdit_2);//获取密码,并进行相应处理}Widget::~Widget()
{delete ui;
}void Widget::pushButton_2()
{this->close();//关闭窗口
}void Widget::pushButton_3()
{this->showMinimized();//最小化
}
void Widget::lineEdit_2()
{if(ui->lineEdit_3->text()=="admin"&&ui->lineEdit_2->text()=="123456"){//判断登录账号密码是否一致this->close();//关闭窗口emit widet_singnal();//激活信号函数,跳转下一个窗口}else{QMessageBox::information(this, "登录失败","");//对话框提示登录失败ui->lineEdit_2->clear();ui->lineEdit_3->clear();//清空行编辑器}
}
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();
public slots:void pushButton_2();//x按钮槽函数void pushButton_3();//最小化槽函数void lineEdit_2();//密码行功能槽函数
signals:void widet_singnal();//定义信号函数,用于连接两个窗口
private:Ui::Widget *ui;
};
#endif // WIDGET_H
编辑样式表代码:
*{/*"*"是通配符,匹配所有*/background-color: rgb(255, 255, 255);color: rgba(255, 255, 255, 120);
}
QFrame#frame{/*“#”也是通配符,匹配一个*/border-image: url(:/Logo/shanChuan.jpg);
}
#frame_2{background-color: rgba(179, 179, 179, 120);
}
#label{background-color: rgba(71, 71, 71, 120);border-radius:20px;
}
#label_2{background:transparent; /*完全透明*/
}
#lineEdit_2{background:transparent; /*完全透明*/border:none;border-bottom:1px solid rgba(255, 255, 255, 120);/*保留底部边框*/font: 10pt "等线";color: rgba(255, 255, 255, 120);
}
#lineEdit_3{background:transparent; /*完全透明*/border:none;font: 10pt "等线";border-bottom:1px solid rgba(255, 255, 255, 120);color: rgba(255, 255, 255, 120);font: 10pt "等线";
}
#pushButton{font: 10pt "等线";background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:1, stop:0 rgba(58, 130, 205, 255), stop:1 rgba(255, 255, 255, 255));color: rgba(255, 255, 255, 120);border:none;border-radius:5px;
}
#pushButton:hover{/*鼠标移动*/font: 10pt "等线";background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:1, stop:0 rgba(80, 130, 205, 255), stop:1 rgba(255, 255, 255, 255));color: rgba(255, 255, 255, 120);border:none;border-radius:5px;
}
#pushButton:pressed{/*鼠标按下特效*/font: 10pt "等线";background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:1, stop:0 rgba(58, 130, 205, 255), stop:1 rgba(255, 255, 255, 255));color: rgba(255, 255, 255, 120);border:none;border-radius:5px;padding-top:5px;/*顶部抖动*/padding-left:5px;
}
#pushButton_2{background:transparent; /*完全透明*/color: rgba(255, 255, 255, 120);font: 10pt "等线";
}
#pushButton_2:hover{background-color: rgb(255, 0, 0);color: rgba(255, 255, 255, 120);font: 10pt "等线";
}
#pushButton_3{background:transparent; /*完全透明*/color: rgba(255, 255, 255, 120);font: 10pt "等线";
}
#pushButton_3:hover{background-color: rgb(60, 239, 255);color: rgba(255, 255, 255, 120);font: 10pt "等线";
}
#pushButton_4{background:transparent; /*完全透明*/color: rgba(255, 255, 255, 120);font: 10pt "等线";
}
#pushButton_4:hover{background-color: rgb(60, 239, 255);color: rgba(255, 255, 255, 120);font: 10pt "等线";
}
另外一个窗口界面
dialog.cpp
#include "dialog.h"
#include "ui_dialog.h"Dialog::Dialog(QWidget *parent) :QDialog(parent),ui(new Ui::Dialog)
{ui->setupUi(this);this->setWindowTitle("Shanghai");//设置窗口标题this->setWindowIcon(QIcon(":/Logo/shangHai.jpg"));//设置窗口图标this->setWindowFlag(Qt::FramelessWindowHint);//隐藏窗口图标QMovie *mv=new QMovie(":/Logo/R-C.gif");//设置一个动态图对象指针接收动态图ui->label->setMovie(mv);//将动图设置到lab1标签中mv->start();//让动图动起来ui->label->setScaledContents(true);//让图片自适应标签设置大小}Dialog::~Dialog()
{delete ui;
}void Dialog::dialog_slots()
{this->show();//打开另一个窗口
}
dialog.h
#ifndef DIALOG_H
#define DIALOG_H#include <QDialog>
#include <QIcon>
#include <QMovie>
namespace Ui {
class Dialog;
}class Dialog : public QDialog
{Q_OBJECTpublic:explicit Dialog(QWidget *parent = nullptr);~Dialog();
public slots:void dialog_slots();//定义槽函数,用于两个窗口建立连接private:Ui::Dialog *ui;
};#endif // DIALOG_H
main.cpp
#include "widget.h"
#include "dialog.h"
#include <QApplication>int main(int argc, char *argv[])
{QApplication a(argc, argv);Widget w;//实例化一个窗口w.show();Dialog d;//实例化另一个窗口QObject::connect(&w,&Widget::widet_singnal,&d,&Dialog::dialog_slots);//两个窗口建立连接return a.exec();
}