longwoo1012的博客

ui_->qwtPlot_0->setAxisTitle(QwtPlot::yLeft, "f0");//设置坐标轴的范围ui_->qwtPlot_0->setAxisAutoScale(QwtPlot::xBottom, true);ui_->qwtPlot_0->setAxisAutoScale(QwtPlot::yLeft, true);//设置右边标注ui_->qwtPlot_0->insertLegend(new QwtLegend().

举个例子CMAKE_MINIMUM_REQUIRED(VERSION 3.0)PROJECT (QTTEST)#SET(CMAKE_BUILD_TYPE Release)SET(CMAKE_BUILD_TYPE Debug)#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Os -std=c++14 -fPIC -Wreturn-type -Wmaybe-uninitialized")# -Wreorder -Wdelete-non-virtual-dtor