
升级优化自己应用程序的登录界面。
要求: 1. qss实现
2. 需要有图层的叠加 (QFrame)
3. 设置纯净窗口后,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。
- #include "widget.h"
-
- #include
- #include
-
- int main(int argc, char *argv[])
- {
- QApplication a(argc, argv);
- Widget w;
- w.show();
-
- Second s;
-
- //将w的信号函数和s的槽函数连接
- QObject::connect(&w, &Widget::signal_jump, &s, &Second::slot_jump);
-
- return a.exec();
- }
- #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::slot_jump()
- {
- this->show(); //显示自身界面
- }
- #include "widget.h"
- #include "ui_widget.h"
-
- Widget::Widget(QWidget *parent)
- : QWidget(parent)
- , ui(new Ui::Widget)
- {
- ui->setupUi(this);
-
- //去掉界面头部
- this->setWindowFlag(Qt::FramelessWindowHint);
-
- //去掉空白部分
- this->setAttribute(Qt::WA_TranslucentBackground);
-
-
- }
-
- Widget::~Widget()
- {
- delete ui;
- }
-
-
- void Widget::on_pushButton_clicked()
- {
- //获取username信息
- QString uname = ui->lineEdit->text();
- //获取密码信息
- QString passwd = ui->lineEdit_2->text();
-
- //验证账号密码是否正确
- if(uname == "admin" && passwd == "123456")
- {
- this->close(); //关闭自身界面
- emit signal_jump(); //触发信号函数 跳转到另一个界面
- }else
- {
-
- //弹框提示
- QMessageBox *mbox1 = new QMessageBox
- (QMessageBox::Information
- ,"提示"
- ,"账号或密码错误"
- ,QMessageBox::Ok);
- //按下弹框的ok按钮,清空密码框中内容
- if(mbox1->exec() == QMessageBox::Ok)
- ui->lineEdit_2->clear();
- }
-
- }
-
- void Widget::on_pushButton_2_clicked()
- {
- this->close();
- }

编辑样式表:
- *{
- background-color: rgb(255, 255, 255);
- }
-
- QFrame#frame{
- border-image: url(:/Logo/shanChuan.jpg);
- border-radius:15px;
- }
-
- #frame_2{
- background-color: rgba(110, 110, 110, 120);
- border-radius:15px;
- }
-
- QLabel#label{
- background-color: rgba(80, 80, 80, 120);
- border-radius:30px;
- }
-
- #label_2{
- background:transparent; /* 完全透明*/
-
- font: 16pt "等线";
-
- color: rgba(255, 255, 255, 120);
- }
-
-
- QLineEdit{
- background:transparent; /* 完全透明*/
- border:none; /* 设置无边框*/
- border-bottom:1px solid rgba(255, 255, 255, 120); /*设置下边框 1像素 实线 背景颜色*/
- color: rgba(255, 255, 255, 120);
- font: 14pt "等线";
- }
-
- QPushButton#pushButton{
- color: rgba(255, 255, 255, 120);
- font: 14pt "等线";
-
- background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:1, stop:0 rgba(111, 111, 255, 255), stop:1 rgba(255, 255, 255, 255));
-
- border-radius:5px;
- }
-
- #pushButton_2{ /* 关闭按钮*/
- color: rgba(255, 255, 255, 120);
- background:transparent; /* 完全透明*/
- border-radius:10px;
- }
-
- #pushButton_3{ /*最小化按钮*/
- color: rgba(255, 255, 255, 120);
- background:transparent; /* 完全透明*/
- border-radius:10px;
-
- }
-
- QPushButton#pushButton:hover{ /* 鼠标移动 背景颜色有变化*/
- color: rgba(255, 255, 255, 120);
- font: 14pt "等线";
-
- background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:1, stop:0 rgba(150, 111, 255, 255), stop:1 rgba(255, 255, 255, 255));
-
- border-radius:5px;
- }
-
- #pushButton_2:hover{ /* 鼠标移动 背景颜色变红色*/
-
- background-color: rgb(65, 65, 65);
- color: rgba(255, 255, 255, 120);
- border-radius:15px;
- }
-
- #pushButton_3:hover{ /* 鼠标移动 背景颜色变红色*/
-
- background-color: rgb(65, 65, 65);
- color: rgba(255, 255, 255, 120);
- border-radius:15px;
- }
-
-
- QPushButton#pushButton:pressed{ /*鼠标按下操作 字体抖动*/
- color: rgba(255, 255, 255, 120);
- font: 14pt "等线";
-
- background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:1, stop:0 rgba(111, 111, 255, 255), stop:1 rgba(255, 255, 255, 255));
-
- border-radius:5px;
-
- padding-top:5px;
- padding-left:5px;
-
- }
-
- #pushButton_2:pressed{
- border-radius:15px;
-
- padding-top:5px;
- padding-left:5px;
-
- }
-
- #pushButton_3:pressed{
- border-radius:15px;
-
- padding-top:5px;
- padding-left:5px;
-
- }
-

