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网站项目建设策划书流程,湖南网站seo推广,人人秀h5制作教程,企业网站推广怎么做程序示例精选 VSQtC旅游景区地图导航如需安装运行环境或远程调试，见文章底部个人QQ名片，由专业技术人员远程协助！ 前言这篇博客针对<<VSQtC旅游景区地图导航>>编写代码，代码整洁，规则，易读。…

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VS+Qt+C++旅游景区地图导航

如需安装运行环境或远程调试，见文章底部个人QQ名片，由专业技术人员远程协助！

前言

这篇博客针对<<VS+Qt+C++旅游景区地图导航>>编写代码，代码整洁，规则，易读。学习与应用推荐首选。

文章目录

一、所需工具软件

二、使用步骤

1. 引入库

2. 代码实现

3. 运行结果

三、在线协助

一、所需工具软件

1. VS, Qt

2. C++

二、使用步骤

1.引入库

#include "MainWindow.h"
#include<iostream>#include<qDebug>
#include<QFile>
#include <QBitmap>
#include <QPainter>
#include<QImage>
#include<QPixmap>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QPointF>
#include <QLineF>

2. 代码实现

代码如下:

.h*************************************
#pragma once#include <QtWidgets/QMainWindow>
#include "ui_MainWindow.h"#include <qDebug>class MainWindow : public QMainWindow
{Q_OBJECTpublic:MainWindow(QWidget *parent = Q_NULLPTR);protected:private:Ui::MainWindowClass ui;private slots:void OnSearch();void mapBackGround();void initStyleSheetTitle();void paintEvent(QPaintEvent* event);void initStyleSheetMapButton();void initStyleSheetButton();void initStyleSheetLabel();};.cpp********************************
MainWindow::MainWindow(QWidget *parent): QMainWindow(parent)
{ui.setupUi(this);QObject::connect(ui.pushButton_7, SIGNAL(clicked()), this, SLOT(OnSearch()));ui.frame->setFrameStyle(QFrame::NoFrame);ui.frame_3->setFrameStyle(QFrame::NoFrame);
}void MainWindow::mouseDoubleClickEvent(QMouseEvent* event)
{int x = pos.x();int y = pos.y();qDebug() << "Double clicked at (" << x << "," << y << ")";
}void MainWindow::OnSearch()
{std::cout << "modelRun" << std::endl;QString startPos = ui.comboBox->currentText();QString endPos = ui.comboBox_2->currentText();qDebug() << "startPos: " << startPos;qDebug() << "endPos: " << endPos;if (startPos == QStringLiteral("孔子文化园") | startPos == QStringLiteral("碰碰车")){qDebug() << QStringLiteral("孔子文化园") ;// 添加两个点坐标QPointF point1(165, 228);QPointF point2(271, 218);QPointF point3(310, 95);// 设置GraphicsView的大小ui.graphicsView->setRenderHint(QPainter::Antialiasing); // 设置抗锯齿渲染ui.graphicsView->setAlignment(Qt::AlignLeft | Qt::AlignTop); // 设置对齐方式ui.graphicsView->setResizeAnchor(QGraphicsView::AnchorUnderMouse); // 设置缩放锚点为鼠标位置ui.graphicsView->setDragMode(QGraphicsView::ScrollHandDrag); // 设置拖拽模式为滚动手势拖拽QPen pen(Qt::red); // 设置线条颜色为红色pen.setWidth(2);   // 设置线宽为2// 在graphicsView_2的坐标系下绘制圆int radius = 25;int borderWidth = 5; // 壁厚pen.setWidth(borderWidth); // 设置线宽scene->addEllipse(point1.x() - (radius - borderWidth),point1.y() - (radius - borderWidth),(radius - borderWidth) * 2,(radius - borderWidth) * 2,pen, QBrush(Qt::NoBrush));scene->addEllipse(point2.x() - (radius - borderWidth),point2.y() - (radius - borderWidth),(radius - borderWidth) * 2,(radius - borderWidth) * 2,pen, QBrush(Qt::NoBrush));scene->addEllipse(point3.x() - (radius - borderWidth),point3.y() - (radius - borderWidth),(radius - borderWidth) * 2,(radius - borderWidth) * 2,pen, QBrush(Qt::NoBrush));// 绘制线段scene->addLine(QLineF(point1, point2), pen);scene->addLine(QLineF(point2, point3), pen);}}void MainWindow::initStyleSheetTitle()
{QString cssStr = "./style/style_label_title.css";QFile file(cssStr);if (file.open(QFile::ReadOnly)){QString qss = QLatin1String(file.readAll());ui.label->setStyleSheet(qss);file.close();}else {qDebug() << "Failed to open CSS file: " << file.fileName();}}void MainWindow::mapBackGround()
{QString cssStr = "./style/style_frame_mapBG.css";QString qss;QFile file(cssStr);if (file.open(QFile::ReadOnly)){qss = QLatin1String(file.readAll());//ui.frame_2->setStyleSheet(qss);file.close();}else {qDebug() << "Failed to open CSS file: " << file.fileName();}
}void MainWindow::initStyleSheetButton()
{QString cssStr = "./style/style_pushButton.css";QString qss;QFile file(cssStr);if (file.open(QFile::ReadOnly)){qss = QLatin1String(file.readAll());ui.pushButton_7->setStyleSheet(qss);file.close();}else {qDebug() << "Failed to open CSS file: " << file.fileName();}}void MainWindow::initStyleSheetMapButton()
{QString cssStr = "./style/style_pushButton_map.css";QString qss;QFile file(cssStr);if (file.open(QFile::ReadOnly)){qss = QLatin1String(file.readAll());//ui.pushButton_3->setStyleSheet(qss);//ui.pushButton_4->setStyleSheet(qss);//ui.pushButton_5->setStyleSheet(qss);//ui.pushButton_6->setStyleSheet(qss);file.close();}else {qDebug() << "Failed to open CSS file: " << file.fileName();}}