The Qt Charts module provides a set of easy-to-use chart components. It uses the Qt Graphics View Framework to integrate charts with modern user interfaces. Qt Charts can be used as QWidgets, QGraphicsWidget , or QML types. Users can easily create impressive charts by selecting one of the themes.
The QML types of the module are available through the
QtCharts
导入。要使用类型，添加以下 import 语句到 .qml 文件：
import QtCharts
注意： 实例化的 QApplication is required for the QML types as the module depends on Qt's 图形视图框架 为渲染。 QGuiApplication is not sufficient. However, projects created with Qt Creator's Qt Quick Application wizard are based on the Qt Quick template that uses QGuiApplication by default. All the QGuiApplication instances in such projects must be replaced with QApplication .
Using a Qt module's C++ API requires linking against the module library, either directly or through other dependencies. Several build tools have dedicated support for this, including CMake and qmake .
使用
find_package()
command to locate the needed module component in the
Qt6
包：
find_package(Qt6 REQUIRED COMPONENTS Charts)
target_link_libraries(mytarget PRIVATE Qt6::Charts)
更多细节，见 构建采用 CMake 概述。
To configure the module for building with qmake, add the module as a value of the
QT
variable in the project's .pro file:
QT += charts
Changes to Qt Charts lists important changes in the module API and functionality that were done for the Qt 6 series of Qt.
Qt Charts 在商业许可下是可用的来自 Qt 公司 。此外，它是可用的根据 GNU GPL (一般公共许可) 第 3 版 。见 Qt 许可 进一步了解细节。