{ctor} 不是 的成员<BaseClass>

{ctor} is not a member of <BaseClass>

本文关键字:lt BaseClass gt 成员 ctor 不是      更新时间:2023-10-16

我有一个名为GLObject的基类,其标题如下:

class GLObject{
    public:
        GLObject(float width = 0.0, float height = 0.0, float depth = 0.0, 
                 float xPos= 0.0, float yPos = 0.0, float zPos =0.0, 
                 float xRot =0.0, float yRot = 0.0, float zRot = 0.0);
    ... //Other methods etc
};

和CPP:

GLObject::GLObject(float width, float height, float depth, 
                    float xPos, float yPos, float zPos, 
                    float xRot, float yRot, float zRot){
    this->xPos = xPos;
    this->yPos = yPos;
    this->zPos = zPos;
    this->xRot = xRot;
    this->yRot = yRot;
    this->zRot = zRot;
    this->width = width;
    this->height = height;
    this->depth = depth;
}

接下来我有一个派生类:标题:

class GLOColPiramid : public GLObject
{
public:
    GLOColPiramid(float width, float height, float depth, float xPos = 0.0, float yPos = 0.0, float zPos = 0.0, float xRot = 0.0, float yRot = 0.0, float zRot = 0.0);
    ...
};

cpp文件
GLOColPiramid::GLOColPiramid(float width, float height, float depth, float xPos, float yPos, float zPos, float xRot, float yRot, float zRot) : GLObject::GLObject(width, height, depth, xPos,yPos,zPos,xRot,yRot,zRot)
{
}

这给我一个错误:

glocolpiramide .cpp:4: error: C2039: '{ctor}':不是"GLObject"

为什么?

我正在使用Qt 4.8.4与MSVC2010 32位编译器

尝试在声明中将GLObject::GLObject::GLObject中移除

.cpp文件中包含GLOColPiramid的实现:

GLOColPiramid::GLOColPiramid( .... ) : GLObject::GLObject( .... )
                                       ^^^^^^^^^^

在c++中是合法的,但是测试一下,也许MSVC2010有问题

在从派生类构造函数调用基类构造函数时,不应该使用BaseClassName::BaseClassName(...)语法显式引用基类构造函数——这就是编译器所抱怨的。

相反,只需使用基类名称并传递参数:

GLOColPiramid::GLOColPiramid(float width, float height, float depth, float xPos, float yPos, float zPos, float xRot, float yRot, float zRot) : GLObject(width, height, depth, xPos,yPos,zPos,xRot,yRot,zRot)
{
}