表格曲线联动C++ Qt

#include "widget.h" #include "ui_widget.h" #include <QApplication> #include <QtCharts/QChartView> #include <QtCharts/QLineSeries> #include<QStandardItemModel> #include<QTableView> #include<QVBoxLayout> #include<QPushButton> #include<QVector> //Q_OBJECT using namespace QtCharts; Widget::Widget(QWidget *parent) : QWidget(parent) , ui(new Ui::Widget) { ui->setupUi(this); QStandardItemModel *model = new QStandardItemModel(this); model->setColumnCount(2); model->setHeaderData(0,Qt::Horizontal,QObject::tr("data1")); model->setHeaderData(1,Qt::Horizontal,QObject::tr("data2")); for(int i=0;i<8;i++){ //model->setData(i,0,i)); //model->setData(model->index(1,i,QModelIndex()),i); model->setItem(i,0,new QStandardItem(QString::number(i))); model->setItem(i,1,new QStandardItem(QString::number(i))); } ui->tableView->setModel(model); connect(ui->tableView,SIGNAL(update),ui->tableView,SLOT(add())); QLineSeries *series = new QLineSeries(); //series->setColor(QColor(0,0,255)); //设置颜色 //for(int j=1;j<=7;j++){ *series << QPointF(1, 1) <<QPointF(2, 2); //添加数据 //} QChart *chart = new QChart(); chart->addSeries(series); chart->setTitle("Simple example"); chart->createDefaultAxes(); //设置默认的坐标系，若是不设置程序是运行不了的 chart->axisX()->setRange(0, 20);//设置图表坐标轴的范围，能够不设置，自动调节的 chart->axisY()->setRange(0, 10); QChartView *chartView = new QChartView(chart); QChartView *chartView1 = new QChartView(chart); chartView->setRenderHint(QPainter::Antialiasing); //抗锯齿渲染 chartView1->show(); //chartView1->setStyleSheet("width:700px"); //chartView1->geometry(500,500); chartView1->setGeometry(400,100,500,500); //chartView1->setRubberBand(QChartView::NoRubberBand); chartView1->setParent(this); //QVBoxLayout *vbox=new QVBoxLayout; //this->setLayout(vbox); //ui->setL //QMainWindow window; } Widget::~Widget() { delete ui; } void Widget::add() { ui->tableView->setStyleSheet("background-color:blue"); } void Widget::on_tableView_clicked(const QModelIndex &index) { //ui->tableView->setStyleSheet("background-color:blue"); } void Widget::on_tableWidget_cellChanged(int row, int column) { QLineSeries *series = new QLineSeries(); QString str = ui->tableWidget->item(row,column)->text(); int num=str.toInt(); int num1,num2; for(int k=0;k<=7;k++){ //for(int kk=0;kk<=1;kk++) //{ QString str = ui->tableWidget->item(k,0)->text(); QString str1 = ui->tableWidget->item(k,1)->text(); //int num1=str.toInt(); num1=str.toInt(); num2=str1.toInt(); //} if(k==row&&column==0) { *series << QPointF(num, num2); }else if(k==row&&column==1) { *series << QPointF(num1, num); }else{ *series << QPointF(num1, num2); } } //series->setColor(QColor(0,0,255)); //设置颜色 /*for(int j=0;j<=7;j++){ if(j==row&&column==0) *series << QPointF(num, j+1); //添加数据 else if ((j+1)==row&&column==1) *series << QPointF(j+1, num); else *series << QPointF(j+1, j+1); //if(j==row&&j==1) //*series << QPointF(j, num); //添加数据 }*/ QChart *chart = new QChart(); chart->addSeries(series); chart->setTitle("Simple example"); chart->createDefaultAxes(); //设置默认的坐标系，若是不设置程序是运行不了的 chart->axisX()->setRange(0, 20);//设置图表坐标轴的范围，能够不设置，自动调节的 chart->axisY()->setRange(0, 10); QChartView *chartView = new QChartView(chart); QChartView *chartView1 = new QChartView(chart); chartView->setRenderHint(QPainter::Antialiasing); //抗锯齿渲染 chartView1->show(); //chartView1->setStyleSheet("width:700px"); //chartView1->geometry(500,500); //chartView1->setGeometry(400,100,500,500); //chartView1->setRubberBand(QChartView::NoRubberBand); //chartView1->setParent(this); }