QT登录界面

1.效果图

2.代码

#include "widget.h"

#include "ui_widget.h"

#include

#include

#include

Widget::Widget(QWidget *parent)

: QMainWindow(parent)

, ui(new Ui::Widget)

{

ui->setupUi(this);

this->setWindowTitle("时光机");

//更改界面尺寸

this->resize(800,600);//重新设置尺寸的函数

this->resize(QSize(400,500));//使用重载的函数重新设计尺寸，参数是一个匿名对象

this->setFixedSize(500,700);

//去掉组建上部的头

//添加图标

this->setWindowIcon(QIcon("C:\\Users\\Owner\\Desktop\\华清\\图标\\Disco.png"));

//使用样式表更改颜色

this->setStyleSheet("background-color:#FF69B4;");

QLabel *label1 = new QLabel(this);

label1->setGeometry(140,90,200,200);

QPixmap pixmap;

pixmap.load("C:\\Users\\Owner\\Desktop\\华清\\图标\\太空兔1.png");

label1->setPixmap(pixmap);

label1->setScaledContents(true);

label1->setStyleSheet("QLabel{border-radius: 100%;background-color:#F3FEB0;}");

QLineEdit *input1=new QLineEdit(this);

input1->setGeometry(100,350,300,50);

input1->setStyleSheet("QLineEdit{font:20px;color:#FF69B4;background-color:#F3FEB0;border-radius: 10px;border:none;padding-left:10px;}");

input1->setPlaceholderText("Please enter account");

input1->setMaxLength(6);

//验证-给输入框加输入限制

QRegExpValidator validator(QRegExp("[A-Za-z0-9_]+"), input1);

input1->setValidator(&validator);

//图标-给输入框内加图标

QAction *searchAction1 = new QAction(input1);

searchAction1->setIcon(QIcon("C:\\Users\\Owner\\Desktop\\华清\\图标\\头像.png"));

input1->addAction(searchAction1,QLineEdit::LeadingPosition);

QLineEdit *input2=new QLineEdit(this);

input2->setGeometry(100,430,300,50);

input2->setStyleSheet("QLineEdit{font:20px;color:#FF69B4;background-color:#F3FEB0;border-radius: 10px;border:none;padding-left:10px;}");

input2->setPlaceholderText("Please enter password");

input2->setEchoMode(QLineEdit::Password);

input2->setMaxLength(8);

// 创建一个 QRegExpValidator，并设置正则表达式和父对象

QAction *searchAction2 = new QAction(input2);

searchAction2->setIcon(QIcon("C:\\Users\\Owner\\Desktop\\华清\\图标\\mima.png"));

input2->addAction(searchAction2,QLineEdit::LeadingPosition);

QPushButton *btn1=new QPushButton(QIcon("C:\\Users\\Owner\\Desktop\\华清\\图标\\Dingdong.png"),"LOGIN",this);

btn1->setGeometry(100,550,300,50);

btn1->setStyleSheet("QPushButton{font:20px;color:#FF69B4;background-color:#F3FEB0;border-radius: 10px;font-weight:bold;letter-spacing: 8px;}");

}

Widget::~Widget()

{

delete ui;

}

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