8.31作业

#ifndef FORM_H
#define FORM_H

#include 

namespace Ui {
class Form;
}

class Form : public QWidget
{
    Q_OBJECT

public:
    explicit Form(QWidget *parent = nullptr);
    ~Form();
public slots:
    void sw();
private:
    Ui::Form *ui;
};

#endif // FORM_H

#ifndef WIDGET_H
#define WIDGET_H
#include 
#include 
#include 
#include 
class Widget : public QWidget
{
    Q_OBJECT
signals:
    void jump();
public:
    Widget(QWidget *parent = nullptr);
     QLabel *p;
     QLabel *q;
     QLabel *w;
     QLineEdit *e1;
     QPushButton *r1;
     QLineEdit *e2;
     QPushButton *r2;
    ~Widget();
public slots:
     void fun_1();
     void fun_2();
};
#endif // WIDGET_H

#include "form.h"
#include "ui_form.h"
#include 
Form::Form(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Form)
{
    ui->setupUi(this);
    QLabel *p=new QLabel("登录成功",this);
}
void Form::sw()
{
    this->show();
}
Form::~Form()
{
    delete ui;
}

#include "widget.h"
#include 
#include 
#include 
#include 
#include
Widget::Widget(QWidget *parent)
    : QWidget(parent)
{
    this->setWindowTitle("鹏哥快聊");
    this->setWindowIcon(QIcon(":/new/prefix1/wodepeizhenshi.png"));
    this->resize(490,410);
    p=new QLabel(this);
    p->setPixmap(QPixmap(":/new/prefix1/logo.png"));
    p->move(0,0);
    p->resize(510,180);
    q=new QLabel(this);
    q->setPixmap(QPixmap(":/new/prefix1/userName.jpg"));
    q->resize(40,30);
    q->move(80,220);
    q->setScaledContents(true);
    w=new QLabel(this);
    w->setPixmap(QPixmap(":/new/prefix1/passwd.jpg"));
    w->resize(40,30);
    w->move(80,290);
    w->setScaledContents(true);
    e1=new QLineEdit(this);
    e1->setPlaceholderText("QQ号码/手机/邮箱");
    e1->resize(200,40);
    e1->move(160,220);
    e2=new QLineEdit(this);
    e2->setPlaceholderText("密码");
    e2->resize(200,40);
    e2->move(160,290);
    e2->setEchoMode(QLineEdit::Password);
    r1=new QPushButton("登录",this);
    r1->resize(90,40);
    r1->move(240,360);
    r1->setIcon(QIcon(":/new/prefix1/login.png"));
    r2=new QPushButton("取消",this);
    r2->resize(90,40);
    r2->move(345,360);
    r2->setIcon(QIcon(":/new/prefix1/cancel.png"));
    connect(r1,&QPushButton::clicked,this,&Widget::fun_1);
}
void Widget::fun_1()
{
    if(e1->text()=="admin"&&e2->text()=="123456")
    {
        qDebug()<<"登录成功";
        emit jump();
        this->close();
    }
    else
    {
        qDebug()<<"登录失败";
        e2->setText("");
    }
}
void Widget::fun_2()
{

}
Widget::~Widget()
{
}

#include "widget.h"
#include "form.h"
#include 

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    Widget w;
    w.show();
    Form e;
    QObject::connect(&w,&Widget::jump,&e,&Form::sw);
    return a.exec();
}