#include "braintrain.h" #include "ui_braintrain.h" brainTrain::brainTrain(QWidget *parent) : QWidget(parent), ui(new Ui::brainTrain) { ui->setupUi(this); } brainTrain::~brainTrain() { delete ui; } //实现绘制函数:绘制线段 void brainTrain::paintEvent(QPaintEvent *) { QPainter painter(this); QPen pen(QColor("#DBDBDB")); pen.setWidth(4); pen.setStyle(Qt::DashLine); painter.setPen(pen); painter.drawLine(639, 108, 639,838); painter.drawLine(1280, 108, 1280,838); } void brainTrain::on_startTrain_clicked() { MainWindowPageControl::getInstance()->setCurrentPage(visionTrain); }