Qt 范例和教程

Qt 提供一批代码样本和教程，以帮助新用户入门 Qt 开发。这些文档涵盖一系列话题、从 Widget 的基本用法到分步教程，以展示如何把应用程序拼凑在一起。

范例是 Qt 包的一部分。请拜访下载页面，了解更多信息。

运行范例

打开和运行范例在 Qt Creator 欢迎模式。大多数范例可在各平台上运行且可搜索特定平台范例，在搜索字段中键入平台名称 (或任何关键字)。例如，键入 Android 在搜索字段中列表完全兼容 Android 的范例。

有关在 Qt Creator 中运行范例的更多信息，拜访构建和运行范例页面。

应用程序范例

Calqlatr	A Qt Quick app designed for landscape and portrait devices that uses custom components, responsive layouts, and JavaScript for the application logic.
汽车配置器	A car model example that demonstrates using Qt Quick 3D cameras, extended scene environment and Qt Quick 3D.
咖啡机	具有基于状态的自定义用户界面的 Qt Quick 应用程序。
Dice	A dice throwing application using Qt Quick 3D Physics and other Qt Modules.
文档查看器	用于显示和打印 JSON、文本及 PDF 文件的 Widget 应用程序。
FX & 材质展厅	Demonstrates material and effects capabilities of Qt Quick 3D. This example demonstrates how you can use particle effects and materials in Qt Quick 3D.
文件系统资源管理器	A desktop QML app utilizing customized Qt Quick Controls to display text files from a filesystem
采用 Qt Quick 快速入门编程	基于警报应用程序的 Qt Quick 教程。
Lightning Viewer	An application with a responsive UI showing lightning strikes on a map in real-time by combining Qt Quick, Qt Location, Qt Positioning and Qt Websockets.
媒体播放器	使用 Qt Quick 播放音频和视频。
照片表面	A QML app for touch devices that uses a Repeater with a FolderListModel to access content in a folder, and a PinchHandler to handle pinch gestures on the fetched content.
Qt Quick 演示 - RESTful API 客户端	如何创建 RESTful API QML 客户端的范例。
机器臂	Demonstrates how to add a C++ backend to a 3D project from Qt Design Studio. This example demonstrates adding a C++ backend to a 3D project created in Qt Design Studio. The example itself consists of an interactive industrial robot arm in a Qt Quick 3D scene. The 2D UI to control the robot arm is implement using Qt Quick Controls.
相同游戏	Kuniaki Moribe 流行益智游戏的 QML 实现。
卫星信息	Satellite Info example shows the available satellites using Sky View, Table View, or RSSI View and the user's current position. It is implemented with Qt Positioning and Qt Quick
Thermostat	A user interface for a home thermostat, implemented in Qt Quick. It demonstrates how to create responsive applications that scale from large desktop displays to mobile and small embedded displays.
待办列表	A QML implementation of to do list application that demonstrates how to create application thats looks native on any platform.
WebEngine Quick 纳米浏览器	A web browser implemented using the WebEngineView QML type

桌面

COM App 范例 (ActiveQt)	COM App example shows how to use ActiveQt to develop a Qt application that can be automated via COM. Different QObject based classes are exposed as COM objects that communicate with the GUI of the running Qt application. The APIs of those COM objects has been designed to resemble the APIs of standard COM applications; i.e. those from Microsoft Office
计算器构建器	Creating a user interface from a Qt Designer form at run-time
计算器表单	在应用程序中使用采用 Qt Designer 创建的表单
计算器表单/多继承	在应用程序中使用采用 Qt Designer 创建的表单
容器扩展范例	Creating a custom multi-page plugin for Qt Designer
自定义 Widget 插件	Creating a custom widget plugin for Qt Designer
媒体播放器	使用 Qt Quick 播放音频和视频。
Outlook 范例 (ActiveQt)	Qutlook example demonstrates the use of ActiveQt to automate Outlook. The example makes use of the dumpcpp tool to generate a C++ namespace for the type library describing the Outlook Object Model
远程控制范例	使用和控制 Qt Assistant 作为帮助查看器
简单范例 (ActiveQt)	Simple example demonstrates the use of QAxBindable and QAxFactory
简单文本查看器范例	使用 Qt Assistant 作为应用程序的自定义帮助查看器
系统托盘图标范例	System Tray Icon example shows how to add an icon with a menu and popup messages to a desktop environment's system tray
随手屏幕截图	屏幕截图范例展示如何对桌面随手屏幕截图
任务菜单扩展	Creating a custom widget plugin for Qt Designer and providing custom task menu entries that are associated with the plugin
文本查找器	Dynamically loading .ui files using QUiLoader
包裹器范例 (ActiveQt)	Wrapper example demonstrates how to export existing QWidget classes as ActiveX controls, and the use of QAxFactory together with the QAXFACTORY_EXPORT() macro. ActiveX controls in this example are the standard button classes QPushButton, QCheckBox and QRadioButton as provided by Qt
包裹器范例 (ActiveQt)	Wrapper example demonstrates how to export existing QWidget classes as ActiveX controls, and the use of QAxFactory together with the QAXFACTORY_EXPORT() macro. ActiveX controls in this example are the standard button classes QPushButton, QCheckBox and QRadioButton as provided by Qt

移动

Calqlatr	A Qt Quick app designed for landscape and portrait devices that uses custom components, responsive layouts, and JavaScript for the application logic.
Charts with QML Gallery	Demonstrates how to use the different chart types by using qml
咖啡机	具有基于状态的自定义用户界面的 Qt Quick 应用程序。
Dice	A dice throwing application using Qt Quick 3D Physics and other Qt Modules.
Hello GLES3 范例	Demonstrates OpenGL ES 3.0 functions via QOpenGLExtraFunctions
Lightning Viewer	An application with a responsive UI showing lightning strikes on a map in real-time by combining Qt Quick, Qt Location, Qt Positioning and Qt Websockets.
地图查看器 (QML)	Map Viewer example shows how to display and interact with a map, search for an address, and find driving directions
媒体播放器	使用 Qt Quick 播放音频和视频。
QML 摄像机应用程序	This Qt Quick based application shows how to use the API to capture a still image or video
Qt Quick Controls - Contact List	A QML app using Qt Quick Controls and a C++ class that implements a simple contact list
Qt Quick Controls - 图库	A gallery of controls
Qt Quick Controls - 可穿戴演示	Demonstrates an application launcher designed for wearable devices
场景图形 - QML 下的 OpenGL	Shows how to render OpenGL under a Qt Quick scene
Sensors Showcase	Sensors Showcase example demonstrates sensor usage with visual examples

嵌入式

咖啡机	具有基于状态的自定义用户界面的 Qt Quick 应用程序。
Custom Extension	Custom Extension shows how to implement a custom Wayland extension
自定义 Shell	Custom Shell shows how to implement a custom shell extension
Fancy Compositor	Fancy Compositor is an example that demonstrates how to write a fancy Wayland compositor in pure QML
IVI Compositor	IVI Compositor is an example that demonstrates how to use the IviApplication extension
Minimal CPP	Minimal CPP is an example that demonstrates how to write a Wayland compositor in C++
Minimal QML	Minimal QML is a simple example that demonstrates how to write a Wayland compositor in QML
Multi Output	Multi Output is an example that demonstrates a compositor with multiple outputs
Multi Screen	Multi Screen is a desktop-style Wayland compositor for multiple screens
Overview Compositor	Overview Compositor shows how to switch between clients in a grid
Qt Quick Controls - 可穿戴演示	Demonstrates an application launcher designed for wearable devices
QtShell Compositor	QtShell Compositor shows how to use the QtShell shell extension
Server Side Decoration Compositor	Server Side Decoration Compositor is a simple example that demonstrates server side window decorations on xdg-shell
Spanning Screens	Spanning Screens is an example that demonstrates how to let Wayland clients span multiple screens
Thermostat	A user interface for a home thermostat, implemented in Qt Quick. It demonstrates how to create responsive applications that scale from large desktop displays to mobile and small embedded displays.
Qt Quick 虚拟键盘	This example shows how to use the virtual keyboard in a Qt Quick application

图形

2D 描绘范例	2D Painting example shows how QPainter and QOpenGLWidget can be used together to display accelerated 2D graphics on supported hardware
40000 个芯片	可视化具有 40000 个芯片项的巨大图形视图场景
仿射变换	Demonstrates how affine transformations in QPainter work
指针式时钟	Analog Clock example shows how to draw the contents of a custom widget
基本绘制范例	Basic Drawing example shows how to display basic graphics primitives in a variety of styles using the QPainter class
基本图形布局范例	演示如何创建基本图形布局
C++ 扩展：图像提供程序范例	如何采用 QQuickImageProvider 加载 QML 图像
C++ 扩展：图像响应提供程序范例	How to load images asynchronously in QML
碰撞小鼠范例	Demonstrates how to animate items on a graphics view
合成模式	Demonstrates how Composition Modes work in QPainter
立方体 RHI Widget 范例	Shows how to render a textured cube and integrate with QPainter and widgets, using QRhi Qt's 3D API and shading language abstraction layer
简图场景示例	演示如何使用图形视图框架
拖放 Robot 范例	Demonstrates how to drag and drop items in a graphics view
弹性节点范例	Demonstrates how to interact with graphical items in a scene
渐变	Shows how gradients can be used with QPainter
Hello GLES3 范例	Demonstrates OpenGL ES 3.0 functions via QOpenGLExtraFunctions
Hello Vulkan Cubes Example	Shows the basics of using QVulkanWindow
Hello Vulkan Triangle Example	Shows the basics of rendering with QVulkanWindow and the Vulkan API
Hello Vulkan 小部件范例	Shows the usage of QVulkanWindow in QWidget applications
图像合成范例	展示 QPainter 中的合成模式如何工作
OpenGL 窗口范例	This example shows how to create a minimal QWindow based application for the purpose of using OpenGL
描绘器路径范例	Painter Paths example shows how to use painter paths to build complex shapes for rendering
路径描边	Path Stroking example shows various types of pens that can be used with QPainter
QOpenGLWidget Stereoscopic Rendering Example	This example shows how to create a minimal QOpenGLWidget based application with stereoscopic rendering support
QQuickRenderControl D3D11 Example	Shows how to render a Qt Quick scene into a texture that is then used by a non-Quick based Direct3D 11 renderer
QQuickRenderControl OpenGL Example	Shows how to render a Qt Quick scene into a texture that is then used by a non-Quick based OpenGL renderer
QQuickRenderControl RHI Example	Shows how to render a Qt Quick scene into a QRhiTexture
Qt Quick Controls - Attached Style Properties Example	Demonstrates use of QQuickAttachedPropertyPropagator
Qt Quick Controls - Flat Style	A QML app using Qt Quick Controls and a QML plugin with customized controls
Qt Quick Controls - 想象风格范例：汽车	An automotive user interface using custom Imagine style assets
Qt Quick Controls - 文本编辑器	A rich-text editor app using Qt Quick Controls
Qt Quick 演示 - 时钟	演示使用 ListView 类型去显示由 ListModel 生成的数据，及使用 SpringAnimation 类型去动画图像的 QML 时钟应用程序。
Qt Quick Examples - Accessibility	This example demonstrates the implementation of accessible buttons
Qt Quick Examples - Animation	This is a collection of QML Animation examples
Qt Quick 范例 - 画布	This is a collection of QML Canvas examples
Qt Quick 范例 - 拖放	This is a collection of QML drag and drop examples
Qt Quick Examples - Embedded in Widgets	Demonstrates embedding a QQuickWindow into a QWidget UI via QWidget::createWindowContainer()
Qt Quick 范例 - 图像元素	This is a collection of QML examples relating to image types
Qt Quick Examples - Item Variable Refresh Rate	A Qt Quick example shows how to setup variable refresh rate for specific parts of the UI
Qt Quick 范例 - 键交互	This is a collection of QML keyboard interaction examples
Qt Quick 范例 - MouseArea	This is an example of the MouseArea type in QML
Qt Quick Examples - MultiEffect Item Switcher	Demonstrates MultiEffect usage
Qt Quick Examples - MultiEffect Test Bed	Demonstrates MultiEffect usage
Qt Quick Examples - Shader Effects	A Qt Quick example demonstrating the use of shader effects
Qt Quick 范例 - 形状	A Qt Quick example demonstrating the use of shape items
Qt Quick 范例 - 文本	This is a collection of QML examples relating to text
Qt Quick 范例 - 视图	这是 QML 模型/视图范例的集合
Qt Quick 范例 - 窗口和屏幕	This example demonstrates the Window and Screen types in QML
Qt Quick Particles 范例 - 影响器	这是使用 QML 粒子系统 Affector 范例的集合
Qt Quick Particles 范例 - 发射器	This is a collection of examples using Emitters in the QML particle system
Qt Quick Particles 范例 - 图像粒子	这是使用 QML 粒子系统 Affector 范例的集合
Qt Quick Particles 范例 - 系统	这是使用 QML 粒子系统 Affector 范例的集合
Qt Quick TableView 范例 - 康威的人生游戏	Conway’s Game of Life example shows how the QML TableView type can be used to display a C++ model that the user can pan around
Qt Quick TableViews 范例 - 像素器	Pixelator example shows how a QML TableView and a delegate can be used for custom table models
Qt Widgets - Text Viewer Plugin Example	A widget example with menus, toolbars and a status bar.
RHI 窗口范例	This example shows how to create a minimal QWindow-based application using QRhi
光栅窗口范例	This example shows how to create a minimal QWindow based application using QPainter for rendering
场景图形 - 自定义几何图形	Shows how to implement a custom geometry in the Qt Quick Scene Graph
场景图形 - 自定义材质	Shows how to implement a custom material in the Qt Quick Scene Graph
场景图形 - 自定义 QSGRenderNode	Shows how to use QSGRenderNode to implement custom rendering in the Qt Quick scenegraph
场景图形 - 在 QML 下的 Direct3D 11	Shows how to render directly with Direct3D 11 under a Qt Quick scene
场景图形 - 图形	Demonstrates how one can combine custom materials and geometries under a single QQuickItem
场景图形 - Metal 纹理导入	Shows how to use a texture created directly with Metal
场景图形 - 在 QML 下的 Metal	Shows how to render directly with Metal under a Qt Quick scene
场景图形 - QML 下的 OpenGL	Shows how to render OpenGL under a Qt Quick scene
Scene Graph - Painted Item	Shows how to implement QPainter-based custom scenegraph items
Scene Graph - RHI Texture Item	Shows how to implement a custom QQuickItem that displays a QRhi-rendered texture
Scene Graph - RHI Under QML	Shows how to render directly with QRhi under a Qt Quick scene
Scene Graph - Threaded Animation	Shows benefits of custom items animating independently of the main thread while using the threaded render loop of Qt Quick
场景图形 - 2 纹理提供程序	Shows how to combine two textures from two texture providers in a custom scene graph node
场景图形 - Vulkan 纹理导入	Shows how to use a texture created directly with Vulkan
场景图形 - 在 QML 下的 Vulkan	Shows how to render directly with Vulkan under a Qt Quick scene
简单锚点布局范例	演示图形视图场景中的锚点布局
简单 RHI Widget 范例	Shows how to render a triangle using QRhi, Qt's 3D API and shading language abstraction layer
变换范例	Transformations example shows how transformations influence the way that QPainter renders graphics primitives
向量变形	Demonstrates how to manipulate the elements of a QPainterPath
Weather Forecast Example	A Qt Quick Shapes example demonstrating different ways to uses shapes in an application
Wiggly	Demonstrates how to use an effect created with the Qt Quick Effect Maker (QQEM)

多媒体

音频设备范例	Testing the available audio devices and their configuration
音频输出范例	Enabling audio playback using the QAudioSink class
音频录制器范例	Discovering the available devices and supported codecs
音频源范例	Recording audio using the QAudioSource class
摄像头范例	Shows how to capture a still image or record video
缓和曲线范例	Easing Curves example shows how to use easing curves to control the speed of an animation
媒体播放器范例	播放音频和视频
QML 摄像机应用程序	This Qt Quick based application shows how to use the API to capture a still image or video
QML 视频范例	Transforming video and camera viewfinder content
QML 视频录制器	Recording audio and video using Qt Quick
屏幕捕获范例	Capturing a screen or window
空间音频平移范例	Shows some of the capabilities of the spatial audio engine in Qt
光谱范例	Analyzing a raw audio stream using the FFTReal library
视频图形项范例	Streaming video on a graphics scene
视频小部件范例	实现视频播放器 Widget

3D

立方体 OpenGL ES 2.0 范例	Shows how to manually rotate a textured 3D cube with user input
FX & 材质展厅	Demonstrates material and effects capabilities of Qt Quick 3D. This example demonstrates how you can use particle effects and materials in Qt Quick 3D.
Hello GL2 范例	Hello GL2 example demonstrates the basic use of the OpenGL-related classes provided with Qt
Hello Qt Quick 3D 范例	Demonstrates simple instanced drawing
OSM Buildings	A 3D building viewer of OSM (OpenStreetMap) buildings map data.
Qt 3D：基本形状 C++ 范例	展示由 Qt 3D 提供的 4 个基本形状，并为每个形状设置网格
Qt 3D：多视口 QML 范例	QML 范例演示从多个视口渲染场景图形
Qt 3D：PBR 材质 QML 范例	QML 应用程序演示使用 PBR 材质
Qt 3D：简单 C++ 范例	演示如何在 Qt 3D 渲染场景的 C++ 应用程序
Qt 3D：简单自定义材质 QML 范例	演示在 Qt 3D 中创建自定义材质
Qt 3D：简单 QML 范例	QML 应用程序演示如何在 Qt 3D 中渲染场景
Qt 3D：线框 QML 范例	Qt 3D QML 应用程序实现单通线框渲染方法
Qt Quick 3D - 抗锯齿范例	Demonstrates the antialiasing modes in Qt Quick 3D
Qt Quick 3D - Baked Lightmap Example	Demonstrates the use of baked lightmaps in a 3D scene
Qt Quick 3D - 自定义效果范例	Demonstrates writing custom post-processing effects
Qt Quick 3D - 自定义几何图形范例	Demonstrates providing custom vertex data from C++ and QML
Qt Quick 3D - Custom Instanced Rendering	Demonstrates instancing with custom materials and a C++ instance table
Qt Quick 3D - 自定义材质范例	Demonstrates writing shaded custom materials
Qt Quick 3D - Custom Morphing Animation	Demonstrates writing C++ custom geometry with a morph target
Qt Quick 3D - 自定义着色器范例	Demonstrates the use of custom vertex and fragment shaders
Qt Quick 3D - 动态模型创建范例	Demonstrates dynamic model creation
Qt Quick 3D - HelloCube 范例	Demonstrates how to render 2D and 3D objects together in Qt Quick 3D
Qt Quick 3D - Instanced Rendering Example	Demonstrates how to do instanced rendering in Qt Quick 3D
Qt Quick 3D - 介绍	Demonstrates how to render a scene in Qt Quick 3D
Qt Quick 3D - Level of Detail Helper Example	Demonstrates the use of level of detail helper
Qt Quick 3D - 灯光范例	Demonstrates the use of different light types
Qt Quick 3D - Morphing Example	Demonstrates how to control morphing animations in Qt Quick 3D
Qt Quick 3D - Offline Shaders Example	Demonstrates the use of the experimental build-time material processing support
Qt Quick 3D - Particles 3D Testbed Example	Demonstrates how to use the Qt Quick 3D Particles3D module
Qt Quick 3D - 拾取范例	Demonstrates picking of models
Qt Quick 3D - Principled 材质范例	Demonstrates the use of Principled Material
Qt Quick 3D - 程序纹理范例	Demonstrates how to provide custom texture data from C++ or QML
Qt Quick 3D - 快速球范例	Demonstrates how to create a simple game using Quick3D
Qt Quick 3D - Quick 项范例	Demonstrates the use of Qt Quick Items in Quick 3D scene
Qt Quick 3D - Reflection Probes Example	Demonstrates the use of reflection probes in Qt Quick 3D
Qt Quick 3D - RuntimeLoader Example	Demonstrates how assets can be loaded at runtime
Qt Quick 3D - Scene Effects Example	Demonstrates the use of ExtendedSceneEnvironment
Qt Quick 3D - Screen Space Reflections Example	Demonstrates reflections in Qt Quick 3D
Qt Quick 3D - Simple Fog Example	Demonstrates how to enable fog in the 3D scene
Qt Quick 3D - 简单蒙皮范例	Demonstrates how to render a simple skinning animation in Qt Quick 3D
Qt Quick 3D - Stencil Outline Extension Example	Demonstrates how the QtQuick3D Render Extension can be used to implement stencil outlining
Qt Quick 3D - 子网格范例	Demonstrates how assign materials to sub-meshes
Qt Quick 3D - View3D 范例	Demonstrates the use of View3D to show a scene from multiple cameras
Qt Quick 3D - Virtual Assistant Example	Qt Quick application that presents a 3D model of a virtual assistant with dynamic animations created using QML and timelines
Qt Quick 3D - Volumetric Rendering Example	Demonstrates how to do volumetric rendering in Qt Quick 3D
Qt Quick 3D Physics - Cannon Example	Demonstrates how to spawn physical objects
Qt Quick 3D Physics - CharacterController Example	Demonstrates the CharacterController type
Qt Quick 3D Physics - Compound Shapes Example	Demonstrates using complex collision shapes
Qt Quick 3D Physics - Custom Shapes Example	Demonstrates using different shapes
Qt Quick 3D Physics - Impeller Example	Demonstrates using trigger bodies and collision info
Qt Quick 3D Physics - Mass Example	Demonstrates different ways of setting mass and inertia of a body
Qt Quick 3D Physics - Material Example	Demonstrates using physical materials
Qt Quick 3D Physics - Simple Example	Demonstrates setting up a simple physics scene

数据可视化

Audio Samples vs Sound Level	This example shows the drawing of microphone samples vs audio level
Axis Handling	Implementing axis dragging with a custom input handler in QML, and creating a custom axis formatter
Charts with QML Gallery	Demonstrates how to use the different chart types by using qml
Charts with Widgets Gallery	An application that demonstrates the Qt Charts Widgets API
图形图库	Gallery of Bar, Scatter, and Surface graphs
HelloGraphs	Using Graphs for 2D in a Qt Quick application
OpenGL 加速系列范例	Example shows how to enable OpenGL acceleration for QLineSeries and QScatterSeries
QML 示波器	Example shows how to implement application with strict performance requirements using the Qt Charts QML API
QML 天气	This is a basic demonstration showing how to use the different chart types by using qml
Simple Bar Graph	Using Bars3D in a QML application
Simple Scatter Graph	Using Scatter3D in a QML application
StocQt	A configurable stock chart for 100 stocks.
Surface Graph Gallery	Gallery with three different ways to use a Surface3D graph
体积渲染	Rendering volumetric objects
缩放线范例	Example shows how to create your own custom zooming effect

数据处理 & I/O

可绑定特性	Demonstrates how the usage of bindable properties can simplify your C++ code
Books	Shows how to use Qt SQL classes with a model/view framework
Cached SQL Table	Cached Table example shows how a table view can be used to access a database, caching any changes to the data until the user explicitly submits them using a push button
连续缓存范例	Contiguous Cache example shows how to use QContiguousCache to manage memory usage for very large models. In some environments memory is limited and, even when it isn't, users still dislike an application using excessive memory. Using QContiguousCache to manage a list, rather than loading the entire list into memory, allows the application to limit the amount of memory it uses, regardless of the size of the data set it accesses
DOM Bookmarks Application	提供用于 XML 书签交换语言文件的读取器
Drill Down Example	Drill Down example shows how to read data from a database as well as submit changes, using the QSqlRelationalTableModel and QDataWidgetMapper classes
Hello 说话范例	Hello Speak example reads out user-provided text
IPC: Shared Memory	Demonstrates how to share image data between different processes using the Shared Memory IPC mechanism
MIME Type Browser	Shows the hierarchy of MIME types and can be used to determine the MIME type of a file
Mandelbrot	Mandelbrot example demonstrates multi-thread programming using Qt. It shows how to use a worker thread to perform heavy computations without blocking the main thread's event loop
Master Detail Example	Master Detail Example shows how to present data from different data sources in the same application. The album titles, and the corresponding artists and release dates, are kept in a database, while each album's tracks are stored in an XML file
Move Blocks	Move Blocks example shows how to animate items in a QGraphicsScene using a QStateMachine with a custom transition
Parsing and displaying CBOR data	A demonstration of how to parse files in CBOR format
Ping Pong States	Ping Pong States example shows how to use parallel states together with custom events and transitions in Qt State Machine Framework
Prime Counter	Demonstrates how to monitor the progress of concurrent operations
使用信号量的生产者和消费者	Producer and Consumer using Semaphores example shows how to use QSemaphore to control access to a circular buffer shared by a producer thread and a consumer thread
使用等待条件的生产者和消费者	Producer and Consumer using Wait Conditions example shows how to use QWaitCondition and QMutex to control access to a circular buffer shared by a producer thread and a consumer thread
QXmlStream 书签范例	Demonstrates how to read and write XBEL files
Qt OPC UA Viewer	使用模型/视图方式在树视图中显示 OPC UA 服务器的所有节点
Qt OPC UA X509 Support	展示如何生成密钥和证书签名请求
Qt Quick 范例 - 本地存储	A collection of QML local storage examples
Qt Quick Water Pump	Interacting with an OPC UA server to build a QML-based HMI for a simple water pump machine
Query Model Example	Query Model example shows how to make customized versions of data obtained from a SQL query, using a model that encapsulates the query and table views to display the results
队列自定义类型	Queued Custom Type example shows how to send custom types between threads with queued signals and slots
Quick Speech Example	Quick Speech example reads out user-provided text
关系表模型范例	Relational Table Model example shows how to use table views with a relational model to visualize the relations between items in a database
Rogue	Rogue example shows how to use the Qt state machine for event handling
SCXML Calculator	An application that implements the Calculator example presented in the SCXML Specification
SCXML Invoke	Invokes a compiled nested state machine
SCXML Media Player	Sends data to and receives it from a C++ data model
SCXML Sudoku	Demonstrates the use of separate javascript file with SCXML
SCXML Traffic Light (Dynamic, QML)	A Qt Quick application that uses a dynamically loaded state machine to implement a traffic light
SCXML Traffic Light (Dynamic, Widgets)	A widget-based application that uses a dynamically loaded state machine to implement a traffic light
SCXML Traffic Light (Simple, QML)	A Qt Quick application that uses a compiled state machine to implement a simplified traffic light
SCXML Traffic Light (Static, QML)	A Qt Quick application that uses a compiled state machine to implement a traffic light
SCXML Traffic Light (Static, Widgets)	A widget-based application that uses a compiled state machine to implement a traffic light
SQL Browser	SQL Browser example shows how a data browser can be used to visualize the results of SQL statements on a live database
SQL Widget Mapper Example	SQL Widget Mapper example shows how to use a map information from a database to widgets on a form
保存和加载游戏	How to save and load a game using Qt's JSON or CBOR classes
序列化转换器	How to convert between different serialization formats
表格模型范例	Table Model example shows how to use a specialized SQL table model with table views to edit information in a database
Traffic Light	Traffic Light example shows how to use Qt State Machine Overview to implement the control flow of a traffic light
撤消框架范例	This example shows how to implement undo/redo functionality with the Qt undo framework
Water Pump	Interacting with an OPC UA server to build a QML-based HMI for a simple water pump machine
Water Pump Simulation Server	An OPC UA server that implements a simple water pump machine simulation
Word Count	演示如何使用 map-reduce (映射缩减) 算法

连接

注解 URL (统一资源定位符)	Reads formatted NFC Data Exchange Format (NDEF) messages
Blocking Receiver	Shows how to use the synchronous API of QSerialPort in a non-GUI thread
Blocking Sender	Shows how to use the synchronous API of QSerialPort in a worker thread
蓝牙聊天	Shows communication through Bluetooth using RFCOMM protocol
Bluetooth Low Energy Heart Rate Game	A game demonstrating the interaction with a Bluetooth Low Energy Heart Rate device/service
Bluetooth Low Energy Heart Rate Server	An example demonstrating how to set up and advertise a GATT service. The example demonstrates the use of the Qt Bluetooth Low Energy classes related to peripheral (slave) functionality
Bluetooth Low Energy Scanner	An application designed to browse the content of Bluetooth Low Energy peripheral devices. The example demonstrates the use of all Qt Bluetooth Low Energy classes
CAN 总线管理器	Example sends and receives CAN bus frames
D-Bus 聊天	演示应用程序实例之间的通信
D-Bus 复杂乒乓	Demonstrates usage of the Qt D-Bus typesystem
D-Bus 乒乓	Demonstrates a simple message system using D-Bus
D-Bus 远程控制车	Shows how to use Qt D-Bus to control a car from another application
Local Fortune Client	Demonstrates using QLocalSocket for a simple local service client
Local Fortune Server	Demonstrates using QLocalServer and QLocalSocket for serving a simple local service
MQTT Subscriptions	Creating a application that communicates with an MQTT broker
Modbus Client	Example implements a Modbus client application
Modbus 自定义命令	Example shows how to handle custom Modbus function codes
Modbus 服务器	Example implements a Modbus server application
Model-View Client	Developing a very simple client program which displays the content and changes made on a server
Model-View Server	Developing a simple server program that displays and makes changes to a QTreeView which is made available on a Remote Objects network
NDEF (NFC 数据交换格式) 编辑器	Reads and writes NFC Data Exchange Format (NDEF) messages to NFC Forum Tags
Qt Quick Publication	Use Qt Quick Controls to create an application that can publish on MQTT topics
Qt Quick Subscription	Use Qt Quick Controls to create an application that can subscribe to MQTT topics
QtRemoteObjects WebSockets Applications	Using a non-QIODevice-based transport (QWebSocket) with QtRemoteObjects
Quick CoAP Multicast Discovery	使用 CoAP 客户端采用 Qt Quick 用户界面进行多点播送资源探索
Quick Secure CoAP Client	Securing the CoAP client and using it with a Qt Quick user interface
SSL Server and Client	Setting up a secure Remote Object network using QSslSockets
Serial Terminal	Shows how to use various features of QSerialPort
Simple CoAP Client	Creating an application that communicates with a CoAP server
Simple MQTT Client	Creating a minimalistic telemetry application
Simpleswitch Direct Server and Client	A minimalist Remote Object server and client
Time Client Application	A client who holds a replica of a time object from a server and displays the time in a clock
Time Server Application	A server which shares a time object with connected clients
WebSockets MQTT 订阅	Combining an MQTT client with a web socket connection

网络

最小 RSS 列表应用程序	演示如何抓取并显示网络资源
阻塞 Fortune 客户端	演示如何为网络服务创建客户端
广播接收器	演示如何通过本地网络接收广播信息
广播发送器	Demonstrates how to broadcast information to multiple clients on a local network
聊天	在用户应用程序中使用 Qt GRPC 客户端 API
DNS 查找	Demonstrates how to lookup a host name using QDnsLookup
DTLS 客户端	This example demonstrates how to implement client-side DTLS connections
DTLS 服务器	This examples demonstrates how to implement a simple DTLS server
Fortune 客户端	演示如何为网络服务创建客户端
Fortune 服务器	演示如何为网络服务创建服务器
HTTP 客户端	演示简单 HTTP 客户端
Image Scaling	演示如何异步下载和比例缩放图像
Lightning Viewer	An application with a responsive UI showing lightning strikes on a map in real-time by combining Qt Quick, Qt Location, Qt Positioning and Qt Websockets.
Magic 8 Ball	Creating a HTTP2 connection between a Qt GRPC client and a C++ gRPC server
多流客户端	演示如何在客户端侧使用 SCTP (流控制传输协议)
多流服务器	演示如何在服务器侧使用 SCTP (流控制传输协议)
多点播送接收器	演示如何接收发送给多点播送组的信息
多点播送发送器	演示如何把消息发送给多点播送组
网络聊天	演示有状态点对点聊天客户端
QML WebSocket 客户端	Explains how to write a QML WebSocket client example
QML WebSocket 服务器	A simple example that shows how to use a QML WebSocketServer
Qt Quick 演示 - RESTful API 客户端	如何创建 RESTful API QML 客户端的范例。
Reddit 范例	演示采用 OAuth 2 进行身份验证以访问 Reddit
SCXML FTP 客户端	使用状态机实现简单 FTP 客户端
安全套接字客户端	演示如何通过加密 SSL (安全套接字层) 连接通信
安全 WebSocket 回显客户端	A simple client application using secure WebSockets (wss)
安全 WebSocket 回显服务器	A simple server to respond to clients over secure WebSockets (wss)
传感器	Sensors example shows how two applications can communicate by sending protobuf messages using UDP sockets
简单 WebSocket 聊天	A minimal chat application using the WebSocket protocol
线程化 Fortune 服务器	Threaded Fortune Server example shows how to create a server for a simple network service that uses threads to handle requests from different clients. It is intended to be run alongside the Fortune Client example
Torrent 范例	演示复杂 TCP/IP 操作
WebSocket 回显客户端	Show how to write a simple WebSocket client application
WebSocket 回显服务器	展示如何编写简单 WebSocket 服务器应用程序

位置 & 定位

GeoJson Viewer (QML)	GeoJson viewer example demonstrates how to manipulate MapItems, handle user input and I/O to and from a GeoJson file
Lightning Viewer	An application with a responsive UI showing lightning strikes on a map in real-time by combining Qt Quick, Qt Location, Qt Positioning and Qt Websockets.
Log File Position Source (C++)	Logfile Position Source shows how to create and work with a custom position source. It can be useful for simulating GPS data, or when the data is received in some custom format
地图查看器 (QML)	Map Viewer example shows how to display and interact with a map, search for an address, and find driving directions
MapItemView Transitions (QML)	How to use transitions together with MapItemView
Minimal Map (QML)	Minimum code to display a map using Qt Quick
Places (QML)	Places example demonstrates how to search for Places and access related content
Places List (QML)	Places List example demonstrates how to search for and display a list of places using a ListView
地点地图 (QML)	Places Map example demonstrates how to search for and display a list of places on a map using a MapItemView
Plane Spotter (QML)	Plane Spotter example demonstrates the tight integration of location and positioning data types into QML
卫星信息	Satellite Info example shows the available satellites using Sky View, Table View, or RSSI View and the user's current position. It is implemented with Qt Positioning and Qt Quick
Weather Info	Weather Info example shows how to use the user's current position to retrieve local content from a web service in a C++ plugin for Qt Quick, using Qt Positioning

UI (用户界面) 组件

地址簿	Address book example shows how to use proxy models to display different views onto data from a single model
Arrow Pad 范例	理解 Qt Linguist 上下文概念和使用 2 种或多种语言
基本布局范例	Shows how to use the standard layout managers
基本排序/过滤模型范例	Basic Sort/Filter Model example illustrates how to use QSortFilterProxyModel to perform basic sorting and filtering
计算器范例	Example shows how to use signals and slots to implement the functionality of a calculator widget, and how to use QGridLayout to place child widgets in a grid
日历 Widget 范例	Calendar Widget example shows use of QCalendarWidget
组合框 Widget 映射器范例	Combo Widget Mapper example shows how to use a custom delegate to map information from a model to specific widgets on a form
补全器范例	Completer example shows how to provide string-completion facilities for an input widget based on data provided by a model
上下文大小写帮助范例	Using the QHelpEngineCore class to implement context-sensitive help for applications
自定义排序/过滤模型范例	Custom Sort/Filter Model example illustrates how to subclass QSortFilterProxyModel to perform advanced sorting and filtering
可拖拽图标范例	Draggable Icons example shows how to drag and drop image data between widgets in the same application, and between different applications
可拖拽文本范例	Illustrates how to drag and drop text between widgets
掉落站点范例	Example shows how to distinguish the various MIME formats available in a drag and drop operation
可编辑树模型范例	This example shows how to implement a simple item-based tree model that can be used with other classes in the model/view framework
抓取更多范例	Fetch More example shows how to add items to an item view model on demand
流式布局范例	Shows how to arrange widgets for different window sizes
冻结列范例	This example demonstrates how to freeze a column within a QTableView
采用 Qt Widgets 快速入门编程	A tutorial for Qt Widgets based notepad application
Hello tr() 范例	将小 Hello World 程序翻译成拉丁语
I18N 范例	演示 Qt 对翻译文本的支持
图像手势范例	Demonstrates the use of simple gestures in a widget
许可向导范例	License Wizard example shows how to implement complex wizards in Qt
行编辑范例	Line Edits example demonstrates the many ways that QLineEdit can be used, and shows the effects of various properties and validators on the input and output supplied by the user
菜单范例	Menus example demonstrates how menus can be used in a main window application
Models and Views: AbstractItemModel Example	Shows how to use a QAbstractItemModel subclass as a model in QML
Models and Views: Object ListModel Example	Shows how to use a QList as a model in QML
Models and Views: String ListModel Example	Shows how to use a QStringList as a model in QML
订购表单范例	Order Form example shows how to generate rich text documents by combining a simple template with data input by the user in a dialog
PDF 多页查看器范例	A Qt Quick PDF viewer that allows scrolling through the pages
PDF Single Page Viewer Example	A Qt Quick PDF viewer that views one page at a time
PDF 查看器 Widget 范例	A widget-based PDF viewer that allows scrolling through the pages
QML Dynamic View Ordering Tutorial 1 - A Simple ListView and Delegate
QQuickWidget - QQuickView Comparison Example	Demonstrates the benefits of QQuickWidget over a QQuickView embedded as a native window
QRegularExpression 范例	QRegularExpression example shows how regular expressions in Qt are applied to text by providing an environment in which new regular expressions can be created and tested on custom text strings
Qt Quick Controls - Contact List	A QML app using Qt Quick Controls and a C++ class that implements a simple contact list
Qt Quick Controls - Event Calendar	A simple event calendar
Qt Quick Controls - 图库	A gallery of controls
Qt Quick Examples - Pointer Handlers	Shows how to use Qt Quick Input Handlers in interactive components
Qt Quick 范例 - 定位器	This is a collection of QML Positioner examples
Qt Quick I18N	为 Qt Quick 应用程序生成翻译文件 (TS 和 QM)
Qt Quick Layouts - 基本范例	演示如何使用布局类型来排列 UI
Qt Quick Layouts - Responsive Layout Example	Demonstrates how to use LayoutItemProxy to make a responsive UI
Qt Quick Widgets 范例	Demonstrates how to mix QML with a Qt Widgets application using the QQuickWidget class
涂鸦范例	Scribble example shows how to reimplement some of QWidget's event handlers to receive the events generated for the application's widgets
快捷编辑器范例	Shortcut Editor example shows how to create a basic, read-write hierarchical model to use with Qt's standard view and QKeySequenceEdit classes. For a description of Model/View Programming, see the Model/View Programming overview
简单树模型范例	Simple Tree Model example shows how to use a hierarchical model with Qt's standard view classes
滑块范例	Sliders example shows how to use the different types of sliders available in Qt: QSlider, QScrollBar and QDial
自旋框范例	Spin Boxes example shows how to use the many different types of spin boxes available in Qt, from a simple QSpinBox widget to more complex editors like the QDateTimeEdit widget
电子表格	Spreadsheet example shows how to create a simple spreadsheet application
标准对话框范例	Standard Dialogs example shows the standard dialogs that are provided by Qt
星号委托范例	Star Delegate example shows how to create a delegate that can paint itself and that supports editing
句法高亮范例	Syntax Highlighter example shows how to perform simple syntax highlighting
选项卡对话框范例	Tab Dialog example shows how to construct a tab dialog using the QTabWidget class
数位板范例	This example shows how to use a Wacom tablet in Qt applications
触摸旋钮范例	Shows how to create custom controls that accept touch input
半透明背景	Example shows how to make a round window with a translucent background
树模型补全器范例	Tree Model Completer example shows how to provide completion facilities for a hierarchical model, using a period as the separator to access Child, GrandChild and GrandGrandChild level objects
通俗向导范例	Trivial Wizard example illustrates how to create a linear three-page registration wizard using three instances of QWizardPage and one instance of QWizard
Troll Print 范例	更新用于稍后发行的翻译
UI 组件：表盘控件范例	Dial Control Example shows how to create a speedometer-type dial
UI 组件：可翻转范例	Flipable Example shows an item that flips whenever clicked, rotating around the y-axis
Widget 图库范例	Widgets Gallery example shows widgets relevant for designing UIs
Widget 教程 - 子级 Widget
Widget 教程 - 创建窗口
Widget 教程 - 嵌套布局
Widget 教程 - 使用布局
窗口标志范例	窗口标志范例展示如何使用可用于 Qt 的窗口标志

Web 技术

HTTP 客户端	演示简单 HTTP 客户端
Qt Quick 演示 - RSS 新闻	A QML RSS news reader that uses XmlListModel and XmlListModelRole custom QML types to download XML data, ListModel and ListElement to create a category list, and ListView to display the data.
Qt WebChannel ChatClient HTML 范例	A HTML/JavaScript client that communicates over a WebSocket with a QWebChannel server
Qt WebChannel ChatClient QML Application	A QML client that communicates over a WebSocket with a QWebChannel server
Qt WebChannel ChatServer 范例	A simple chat server implemented using the QWebChannel C++ API
Qt WebChannel 独立范例	A simple chat between a server and a remote client running in a browser
Qt WebView 范例 - Minibrowser	Minibrowser example demonstrates how to use the Qt WebView module with Qt Quick
RESTful API Server	Example of how to create a RESTful API server using the QHttpServer
食谱浏览器	Injecting custom stylsheets into web pages and providing a rich text preview tool for a custom markup language
Simple HTTP Server	Simple example of how to set up an HTTP server
WebEngine 内容操纵范例	Demonstrates how to load and manipulate web content
WebEngine Cookie 浏览器范例	A cookie browser based on Qt WebEngine Widgets
WebEngine 生命周期范例	Freezes and discards background tabs to reduce CPU and memory usage
WebEngine 通知范例	Demonstrates how to pass HTML5 web notifications to users
WebEngine Push Notifications Example	Demonstrates how to subscribe to and unsubscribe from push notifications
WebEngine Quick 纳米浏览器	A web browser implemented using the WebEngineView QML type
WebEngine Widgets Client Certificate Example	A simple client certificate authentication scenario using Qt WebEngine and QSslServer
WebEngine Widgets Html2Pdf 范例	Converts web pages to PDF documents using Qt WebEngine
WebEngine Widgets 地图范例	Demonstrates how to handle geolocation requests
WebEngine Widgets PrintMe 范例	Demonstrates how to print web pages using Qt WebEngine Widgets
WebEngine Widgets 简单浏览器范例	A simple browser based on Qt WebEngine Widgets
WebEngine Widgets 拼写检查器范例	Integrates a spellchecker into a simple HTML form
WebEngine Widgets 视频播放器范例	Displays full screen video using QWebEngineView

社区范例

要查看和运行由 Qt 工程提供的范例，拜访社区范例页面。

所有范例

所有 Qt 范例列出了按其所属 Qt 模块分类的所有范例。

内容

运行范例
应用程序范例
桌面
移动
嵌入式
图形
多媒体
3D
数据可视化
数据处理 & I/O
连接
网络
位置 & 定位
UI (用户界面) 组件
Web 技术
社区范例
所有范例