深圳网站建设外包公司排名,织梦网站用户名不存在,wordpress订阅功能,dedecms物流企业网站模板(适合快递1使用手动连接#xff0c;将登录框中的取消按钮使用qt4版本的连接到自定义的槽函数中#xff0c;在自定义的槽函数中调用关闭函。将登录按钮使用qt5版本的连接到自定义的槽函数中#xff0c;在槽函数中判断ui界面上输入的账号是否为admin#xff0c;密码是…1使用手动连接将登录框中的取消按钮使用qt4版本的连接到自定义的槽函数中在自定义的槽函数中调用关闭函。将登录按钮使用qt5版本的连接到自定义的槽函数中在槽函数中判断ui界面上输入的账号是否为admin密码是否为123456,如果账号密码匹配成功则输出“登录成功”并关闭该界面如果匹配失败则输出登录失败并将密码框中的内容清空
代码
widget.h
#ifndef WIDGET_H
#define WIDGET_H#include QWidget
#include QPushButton
#include QDebug
QT_BEGIN_NAMESPACE
namespace Ui {
class Widget;
}
QT_END_NAMESPACEclass Widget : public QWidget
{Q_OBJECTpublic:Widget(QWidget *parent nullptr);~Widget();signals:void jump_success_signal();void jump_failure_signal();void jump_signal();private slots:void on_Login_clicked();void on_Cancel_clicked();private:Ui::Widget *ui;
};
#endif // WIDGET_Hsuccess.h
#ifndef SUCCESS_H
#define SUCCESS_H#include QWidgetnamespace Ui {
class Success;
}class Success : public QWidget
{Q_OBJECTpublic:explicit Success(QWidget *parent nullptr);~Success();public slots:void jump_slot();private:Ui::Success *ui;
};#endif // SUCCESS_Hfailure.h
#ifndef FAILURE_H
#define FAILURE_H#include QWidgetnamespace Ui {
class Failure;
}class Failure : public QWidget
{Q_OBJECTpublic:explicit Failure(QWidget *parent nullptr);~Failure();public slots:void jump_slot();//界面2-槽函数声明private:Ui::Failure *ui;
};#endif // FAILURE_Hmain.cpp
#include widget.h
#include success.h
#include failure.h
#include QApplicationint main(int argc, char *argv[])
{QApplication a(argc, argv);Widget w;w.show();Success s;Failure f;QObject::connect(w,Widget::jump_success_signal,s,Success::jump_slot);QObject::connect(w,Widget::jump_failure_signal,f,Failure::jump_slot);return a.exec();
}widget.cpp
#include widget.h
#include ui_widget.h
Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::Widget)
{ui-setupUi(this);connect(ui-Cancel,SIGNAL(clicked()),this,SLOT(on_Cancel_clicked()));
}Widget::~Widget()
{delete ui;
}void Widget::on_Login_clicked()
{QString userui-User-text();QString passwdui-Passwd-text();if(user admin passwd 123456)emit jump_success_signal();else{ui-User-clear();ui-Passwd-clear();emit jump_failure_signal();}
}void Widget::on_Cancel_clicked()
{this-close();
}success.cpp
#include success.h
#include ui_success.hSuccess::Success(QWidget *parent): QWidget(parent), ui(new Ui::Success)
{ui-setupUi(this);
}Success::~Success()
{delete ui;
}void Success::jump_slot()
{this-show();
}failure.cpp
#include failure.h
#include ui_failure.hFailure::Failure(QWidget *parent): QWidget(parent), ui(new Ui::Failure)
{ui-setupUi(this);
}Failure::~Failure()
{delete ui;
}
void Failure::jump_slot()
{this-show();
}结果 2自己完成一个使用qss的登陆窗口界面。
*{background-color: rgb(255, 255, 255);
}QFrame#frame{border-radius:30px;border-image: url(:/Logo/shanChuan.jpg);
}#frame_2{border-radius:30px;background-color: rgba(112, 112, 112,120);
}QLabel#label{border-radius:30px;background-color: rgba(130, 130, 130,120);
}#label_2{background:transparent;/*完全透明*/font: 30pt Hiragino Sans GB;color: rgba(255, 255, 255,120);
}QLineEdit {background:transparent;border:none;/*无边框*/border-bottom:1px solid rgba(255, 255, 255, 110);
}QPushButton{border-radius:10px;color: rgba(255,255,255,180);background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:0, stop:0 rgba(40, 97, 229, 255), stop:1 rgba(255, 255, 255, 255));
}QPushButton:hover{ /*鼠标移动*/border-radius:10px;color: rgba(255,255,255,180);background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:0, stop:0 rgba(40, 97, 229, 255), stop:1 rgba(255, 255, 255, 255));
}QPushButton:pressed{ /*鼠标点击*/border-radius:10px;color: rgba(255,255,255,180);background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:0, stop:0 rgba(60, 97, 229, 255), stop:1 rgba(255, 255, 255, 255));padding-top:5px;padding-left:5px;
}
