QCchart坐标轴添加信息的方法如下:
运用QCategoryAxis类重新编辑坐标轴。
1 QCategoryAxis *axisX=new QCategoryAxis;
2
3 axisX->setMin(0);
4 axisX->setMax(60);
5 axisX->setStartValue(0);
6 //append要按照大小顺序依次添加
7 axisX->append("0",0);
8 axisX->append("10",10);
9 axisX->append("20",20);
10 axisX->append("30",30);
11 axisX->append("预测1",35);
12 axisX->append("预测2",40);
13 axisX->append("预测3",45);
14 axisX->append("预测4",50);
15 axisX->append("60",60);
16 //下边这一句代码的作用是让刻度线和刻度的label对齐
17 axisX->setLabelsPosition(QCategoryAxis::AxisLabelsPositionOnValue);
18 chart->setAxisX(axisX,series);
实现效果如下图
