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。

要查看所有 Qt 范例的列表，请拜访 Qt 范例列表页面。

应用程序范例

Calqlatr	A Qt Quick app designed for portrait devices that uses custom components, animated with AnimationController, and JavaScript for the application logic.
咖啡机	具有基于状态的自定义用户界面的 Qt Quick 应用程序。
文档查看器	A Widgets application to display and print Json, text and PDF files. Demonstrates various features to use in widget applications: Using QSettings, query and save user preferences, manage file histories and control cursor behavior when hovering over widgets.
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.
食谱浏览器	Injecting custom stylsheets into web pages and providing a rich text preview tool for a custom markup language

连接

Annotated URL	Example shows reading from 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
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
Serial Terminal	Shows how to use various features of QSerialPort

Desktop

计算器构建器	Creating a user interface from a Qt Designer form at run-time
计算器表单	Using a form created with Qt Designer in an application
Calculator Form/Multiple Inheritance	Using a form created with Qt Designer in an application
Container Extension Example	Creating a custom multi-page plugin for Qt Designer
Custom Widget Plugin	Creating a custom widget plugin for Qt Designer
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

Embedded

Custom Shell	Custom Shell shows how to implement a custom shell extension
IVI Compositor	IVI Compositor is an example that demonstrates how to use the IviApplication extension
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
Pure QML	Pure QML is an example that demonstrates how to write a Wayland compositor in pure QML
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

图形

指针式时钟	Analog Clock example shows how to draw the contents of a custom widget
Axis Handling	Implementing axis dragging with a custom input handler in QML, and creating a custom axis formatter
Graph Gallery	Gallery of Bar, Scatter, and Surface graphs
Simple Bar Graph	Using Bars3D in a QML application
Simple Scatter Graph	Using Scatter3D in a QML application
Surface Graph Gallery	Gallery with three different ways to use a Surface3D graph
Volumetric Rendering	Rendering volumetric objects
Wiggly	Demonstrates how to use an effect created with the Qt Quick Effect Maker (QQEM)

输入/输出

Convert Example	Convert example demonstrates how to convert between different serialization formats
DOM Bookmarks Application	提供用于 XML 书签交换语言文件的读取器
JSON 保存游戏范例	JSON Save Game example demonstrates how to save and load a small game using QJsonDocument, QJsonObject and QJsonArray
Parsing and displaying CBOR data	A demonstration of how to parse files in CBOR format
QXmlStream 书签范例	演示如何读写 XBEL 文件

国际化

Arrow Pad 范例	理解 Qt Linguist 上下文概念和使用 2 种或多种语言
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
Troll Print 范例	更新用于稍后发行的翻译

Mobile

在 APP 中购买演示	演示购买 APP 中产品的完整移动应用程序。
Qt Android 通知程序	演示在 Android 应用程序中从 Qt 调用 Java 代码

网络

阻塞 Fortune 客户端	演示如何为网络服务创建客户端
Chat	Using the Qt GRPC client API in the user applications
Fortune 客户端	演示如何为网络服务创建客户端
Fortune 服务器	Demonstrates how to create a server for a network service
HTTP Client	演示简单 HTTP 客户端
Magic 8 Ball	Creating a HTTP2 connection between a Qt GRPC client and a C++ gRPC server
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
QML WebSocket Client	Explains how to write a QML WebSocket client example
QML WebSocket Server	A simple example that shows how to use a QML WebSocketServer
Qt Quick Demo - RESTful Color Palette API client	Example of how to create a RESTful API QML client.
Qt WebSockets 范例	List of Qt WebSocket examples
SCXML FTP Client	Implements a simple FTP client using a state machine
Secure WebSocket Echo Client	A simple client application using secure WebSockets (wss)
Secure WebSocket Echo Server	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
Simple WebSocket Chat	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
WebSocket Echo Client	Show how to write a simple WebSocket client application
WebSocket Echo Server	Show how to write a simple WebSocket server application

位置 & 定位

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
SatelliteInfo (QML)	SatelliteInfo example shows the available satellites using Sky View or RSSI View and the user's current position. The satellites currently contributing to the GPS fix are marked as pink
Weather Info (C++/QML)	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 QML

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。