有关QOpenGLWidget的错误

Question

如何在QOpenGLWidget中呈现三角形？当我做链接时，会发生错误像这样的错误mywidget.h

#ifndef MYWIDGET_H
#define MYWIDGET_H
#include <QWidget>
namespace Ui {
class myWidget;
}
class myWidget : public QWidget
{
    Q_OBJECT
public:
    explicit myWidget(QWidget *parent = 0);
    ~myWidget();
private:
    Ui::myWidget *ui;
};
#endif // MYWIDGET_H

mywidget.cpp

#include "mywidget.h"
#include "ui_mywidget.h"
myWidget::myWidget(QWidget *parent) :
    QWidget(parent),
ui(new Ui::myWidget)
{
    ui->setupUi(this);
}
myWidget::~myWidget()
{
    delete ui;
}

oglwidget.h

#ifndef OGLWIDGET_H
#define OGLWIDGET_H
#include <QWidget>
#include <QOpenGLWidget>
#include <GL/glu.h>
#include <GL/gl.h>
class OGLWidget : public QOpenGLWidget
{
public:
    OGLWidget(QWidget *parent=0);
    ~OGLWidget();
protected:
    void initializeGL();
    void resizeGL(int w, int h);
    void paintGL();
};
#endif // OGLWIDGET_H

oglwidget.cpp

#include "oglwidget.h"
OGLWidget::OGLWidget(QWidget *parent)
    :QOpenGLWidget(parent)
{
    
}
OGLWidget::~OGLWidget()
{
}
void OGLWidget::initializeGL()
{
    glClearColor(0,0,0,1);
    glEnable(GL_DEPTH_TEST);
    glEnable(GL_LIGHT0);
    glEnable(GL_LIGHTING);
    glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
    glEnable(GL_COLOR_MATERIAL);
}
void OGLWidget::paintGL()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
     glBegin(GL_TRIANGLES);
     glColor3f(1.0, 0.0, 0.0);
     glVertex3f(-0.5, -0.5, 0);
     glColor3f(0.0, 1.0, 0.0);
     glVertex3f( 0.5, -0.5, 0);
     glColor3f(0.0, 0.0, 1.0);
     glVertex3f( 0.0,  0.5, 0);
     glEnd();
}
void OGLWidget::resizeGL(int w, int h)
{
    glViewport(0,0,w,h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(45, (float)w/h, 0.01, 100.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    gluLookAt(0,0,5,0,0,0,0,1,0);
}

main.cpp

#include "mywidget.h"
#include <QApplication>
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    myWidget w;
    w.show();
    return a.exec();
}

形式为什么会出现这些错误？我错过了一些包含文件吗？Qt 5.5版

Answer 1

终于找到了解决方案最后两行应该添加到.pro文件中

HEADERS       = glwidget.h 
            mainwindow.h
SOURCES       = glwidget.cpp 
            main.cpp 
            mainwindow.cpp
QT           += opengl
LIBS        +=  -lopengl32
LIBS        += -lglu32

然后qtcreator_process_stub终端窗口可能会显示，我进入项目->运行->取消选中"在终端中运行"是的，行得通！我的操作系统是Win10 64位和Qt5.6，带有明w