登录界面练习

#include "loginwindow.h"QIcon fetchIconWithName(QString name) {QString res = "../login/images/" + name;return QIcon(res);
}LoginWindow::LoginWindow(QWidget *parent): QMainWindow(parent)
{this->resize(600, 800);this->setWindowIcon(fetchIconWithName("QQ.png"));this->setWindowTitle("登录界面");this->setStyleSheet("background-color:white");int offsetX = 0, offsetY = 10;//LOGOQLabel *logoLabel = new QLabel(this);logoLabel->setPixmap(QPixmap("../login/images/logo.png"));logoLabel->setGeometry((this->width()-480)/2, offsetY, 480, 266);offsetY += 266;offsetY += 20;//登录框offsetX = (this->width()-260)/2;QLabel *loginIcon = new QLabel(this);loginIcon->setPixmap(QPixmap("../login/images/userName.jpg"));loginIcon->setScaledContents(true);loginIcon->setGeometry(offsetX, offsetY, 50, 50);offsetX += (50+10);QLineEdit *loginInput = new QLineEdit(this);loginInput->setPlaceholderText("请输入用户名");loginInput->setGeometry(offsetX, offsetY, 200, 50);loginInput->setStyleSheet("border:none");QWidget *loginBottomLine = new QWidget(this);loginBottomLine->setStyleSheet("background-color:black");loginBottomLine->setGeometry(loginInput->x(), loginInput->y()+loginInput->height(), loginInput->width(), 1);offsetY += (50+10);offsetX = (this->width()-260)/2;QLabel *passwdIcon = new QLabel(this);passwdIcon->setPixmap(QPixmap("../login/images/passwd.jpg"));passwdIcon->setScaledContents(true);passwdIcon->setGeometry(offsetX, offsetY, 50, 50);offsetX += (50+10);QLineEdit *passwdInput = new QLineEdit(this);passwdInput->setPlaceholderText("请输入密码");passwdInput->setGeometry(offsetX, offsetY, 200, 50);passwdInput->setEchoMode(QLineEdit::Password);passwdInput->setStyleSheet("border:none");QWidget *passwdBottomLine = new QWidget(this);passwdBottomLine->setStyleSheet("background-color:black");passwdBottomLine->setGeometry(passwdInput->x(), passwdInput->y()+passwdInput->height(), passwdInput->width(), 1);offsetY += 60;offsetX = (this->width()-150)/2;QPushButton *loginBtn = new QPushButton(this);loginBtn->setIcon(fetchIconWithName("login.png"));loginBtn->setIconSize(QSize(50, 50));loginBtn->setGeometry(offsetX, offsetY, 50, 50);offsetX += (50 + 20);QPushButton *cancelBtn = new QPushButton(this);cancelBtn->setIcon(fetchIconWithName("cancel.png"));cancelBtn->setIconSize(QSize(50, 50));cancelBtn->setGeometry(offsetX, offsetY, 50, 50);offsetY += 70;this->resize(this->width(), offsetY);}LoginWindow::~LoginWindow()
{}

结果展示: