23062QTday2

#include "widget.h" #include "ui_widget.h" Widget::Widget(QWidget *parent) : QWidget(parent) , ui(new Ui::Widget) { ui->setupUi(this); //设置固定尺寸 this->setFixedSize(640,480); //给程序框重命名并添加图片 this->setWindowTitle("Widget"); this->setWindowIcon(QIcon(":/C:/Users/LENOVO/Desktop/icon/wodepeizhenshi.png")); //设置登录按钮 btn1=new QPushButton(QIcon(":/C:/Users/LENOVO/Desktop/icon/login.png"),"登录",this); btn1->setParent(this); btn1->resize(100,50); btn1->move(220,400); //设置取消按钮 btn2=new QPushButton(QIcon(":/C:/Users/LENOVO/Desktop/icon/cancel.png"),"取消",this); btn2->setParent(this); btn2->resize(btn1->size()); btn2->move(btn1->x()+120,btn1->y()); //添加账号图片 QLabel *lab1=new QLabel(this); lab1->setPixmap(QPixmap(":/C:/Users/LENOVO/Desktop/icon/userName.jpg")); lab1->setScaledContents(true); lab1->resize(50,50); lab1->move(80,250); //添加密码图片 QLabel *lab2=new QLabel(this); lab2->setPixmap(QPixmap(":/C:/Users/LENOVO/Desktop/icon/passwd.jpg")); lab2->setScaledContents(true); lab2->resize(50,50); lab2->move(lab1->x(),lab1->y()+60); //添加账号文本框 edit1=new QLineEdit(this); edit1->resize(400,50); edit1->move(lab1->x()+60,lab1->y()); edit1->setMaxLength(11); edit1->setPlaceholderText("账号/手机/邮箱"); //添加密码文本框 edit2=new QLineEdit(this); edit2->resize(400,50); edit2->move(lab2->x()+60,lab2->y()); edit2->setEchoMode(QLineEdit::Password); edit2->setMaxLength(11); //添加顶层图片 QLabel* lab3=new QLabel(this); lab3->setPixmap(QPixmap(":/C:/Users/LENOVO/Desktop/icon/logo.png")); lab3->setScaledContents(true); lab3->resize(640,220); //判断账户密码 connect(btn1, &QPushButton::clicked, this, &Widget::on_btn1_clicked); connect(btn2, &QPushButton::clicked, this, &Widget::on_btn2_clicked); } Widget::~Widget() { delete ui; } //登录槽函数 void Widget::on_btn1_clicked() { if(edit1->text()!=(QString)("admin")||edit2->text()!=(QString)("123456")) { QMessageBox box(QMessageBox::Critical, "出错", "账号密码不匹配，是否重新登录", QMessageBox::Ok | QMessageBox::Cancel, this); int ret=box.exec(); if(ret==QMessageBox::Ok) { edit2->clear(); }else { this->close(); } } else { //信息对话框 QMessageBox box(QMessageBox::Information, "信息对话框", "登录成功", QMessageBox::Yes, this); box.setButtonText(QMessageBox::Yes,"ok"); int ret=box.exec(); if(ret==QMessageBox::Yes) { this->close(); } } } void Widget::on_btn2_clicked() { QMessageBox box(QMessageBox::Question, "问题对话框", "是否确定要退出登录", QMessageBox::Yes | QMessageBox::No, this); int ret=box.exec(); if(ret==QMessageBox::Yes) { this->close(); } }