qt 动态生成柱状图

cpp文件

#include "mform.h"#include "ui_mform.h"#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include QVectordata0;QVectordata1;QVectordata2;QVectordata3;using namespace QtCharts;MForm::MForm(QWidget *parent) :QWidget(parent),ui(new Ui::MForm){ui->setupUi(this);for (int i = 0; i pushButton,&QPushButton::clicked,[=](){data0.push_front(ui->lineEdit_1->text().toInt());data1.push_front(ui->lineEdit_2->text().toInt());data2.push_front(ui->lineEdit_3->text().toInt());data3.push_front(ui->lineEdit_4->text().toInt());QBarSet *set0 = new QBarSet("日光(min)");QBarSet *set1 = new QBarSet("UV(min)");QBarSet *set2 = new QBarSet("日光(month)");QBarSet *set3 = new QBarSet("UV(month)");QVector::iterator it1 = data0.begin();QVector::iterator it2 = data1.begin();QVector::iterator it3 = data2.begin();qDebug()<<it1<<"|"<<it2<<"|"<<it3;//if(i)for(QVector::iterator it4 = data3.begin();it4<data3.begin()+5;it4++){*set0 << *it1<< *(it1+1) << *(it1+2) << *(it1+3) << *(it1+4) << *(it1+5);*set1 << *it2<< *(it2+1) << *(it2+2) << *(it2+3) << *(it2+4) << *(it2+5);*set2 << *it3<< *(it3+1) << *(it3+2) << *(it3+3) << *(it3+4) << *(it3+5);*set3 << *it4<< *(it4+1) << *(it4+2) << *(it4+3) << *(it4+4) << *(it4+5);it1++;it2++;it3++;}//*set0 << 5 << 2 << 3 << 4 << 5 << 6;//*set1 << 7 << 0 << 0 << 4 << 0 << 7;//*set2 << 9 << 5 << 8 << 19<< 8 << 5;//*set3 << 5 << 6 << 7 << 3 << 4 <append(set0);series->append(set1);series->append(set2);series->append(set3);QChart *c = new QChart();c->setTitle("光照UV强度");c->addSeries(series);ui->graphicsView->setChart(c);c->legend()->setVisible(true);c->setAnimationOptions(QChart::SeriesAnimations);ui->graphicsView->setRenderHint(QPainter::Antialiasing);c->createDefaultAxes();//创建默认的左侧的坐标轴（根据 QBarSet 设置的值）QValueAxis *axisX = new QValueAxis();//轴变量、数据系列变量，都不能声明为局部临时变量QValueAxis *axisY = new QValueAxis();//创建X/Y轴axisX->setRange(0, 6);axisY->setRange(0, 10);//设置X/Y显示的区间c->setAxisX(axisX);c->setAxisY(axisY);//设置chart的坐标轴series->attachAxis(axisX);c->legend()->setVisible(true); //设置图例为显示状态c->legend()->setAlignment(Qt::AlignBottom);//设置图例的显示位置在底部});}MForm::~MForm(){delete ui;}

.h文件

#ifndef MFORM_H#define MFORM_H#include #include namespace Ui {class MForm;}class MForm : public QWidget{Q_OBJECTpublic:explicit MForm(QWidget *parent = 0);~MForm();private:Ui::MForm *ui;};#endif // MFORM_H

ui文件