xurui091214的专栏

QSplineSeries鼠标悬停不显示标签由于事件是通过子控件向父类控件传递，需要重写一下QChartView类，过滤鼠标事件，使该事件传递给父控件，替换掉之前的Qchartview代码如下：新建一个qchartview_t类头文件：#ifndef QCHARTVIEW_T_H#define QCHARTVIEW_T_H#include <QObject>#include <QtCharts>#include <QChartView>#includ

QImage *image = new QImage(); image->load("D:/image/test.png"); image->save("D:/image/wall.png");

QFont labelsFont; labelsFont.setPixelSize(10); //参数字号，数字越小，字就越小axisX->setLabelsFont(labelsFont);