I tried to include the QtCharts but i have an error when i include the library, this is the error:
Project ERROR: Unknown module(s) in QT: charts.
I have included the QT += charts in the *.pro file like this:
QT += charts
greaterThan(QT_MAJOR_VERSION, 4): QT += charts
SOURCES += \
source.cpp
But it doesn't work. Please help me.
In the installation process you must enable Qt Charts. This is not enabled by default.:
Click on Qt Charts:
来源：https://stackoverflow.com/questions/41625233/how-to-include-the-qtcharts-library-in-qt-creator-4-2-0-community