当我尝试在Visual Studio 2012中构建项目时，我遇到了问题。 这是我的代码：
**
Vector.h
--------
**
#pragma once
class Vector {
private:
static const int DEF_SIZE = 10;
size_t size;
int *elems;
public:
Vector() : Vector(DEF_SIZE, nullptr, 0){};
Vector(size_t max_size) :Vector(max_size, nullptr, 0){};
Vector(size_t max_size, const int* data, size_t data_size);
Vector(const Vector& v);
virtual Vector& Vector::operator=(const Vector& v);
virtual ~Vector();
// int& Vector::operator[](size_t index);
virtual void print(void) const;
size_t get_size() const;
int get_elem(size_t pos) const;
virtual void set_elem(size_t pos, const int new_value);
};
**`Vector.cpp`**
#include "Vector.h"
#include <iostream>
/*
Vector::Vector(){
this->size = DEF_SIZE;
this->elems = new int[this->size];
for (size_t i = 0; i < this->size; i++)
*(this->elems + i) = 0;
}
Vector::Vector(size_t max_size) {
this->size = (max_size >= 1)
? max_size : Vector::DEF_SIZE;
this->elems = new int[this->size];
for (size_t i = 0; i < this->size; i++)
*(this->elems + i) = 0;
}
*/
Vector::Vector(size_t max_size, const int* data, size_t data_size) {
// std::cout << "Vector Constructor" << std::endl;
if (max_size < data_size)
max_size = data_size;
this->size = (max_size >= 1) ? max_size : Vector::DEF_SIZE;
this->elems = new int[this->size];
for (size_t i = 0; i < this->size; i++)
*(this->elems + i) = (i < data_size) ? data[i] : 0;
}
Vector::~Vector(){
// std::cout << "Vector Destructor" << std::endl;
delete[] this->elems;
}
Vector::Vector(const Vector& v){
// std::cout << "Vector Constructor" << std::endl;
this->size = v.get_size();enter code here
this->elems = new int[this->size];
for (size_t i = 0; i<this->size; i++)
*(this->elems + i) = v.get_elem(i + 1);
}
Vector& Vector::operator=(const Vector& v){
if (this != &v){
this->size = v.get_size();
delete[] this->elems;
this->elems = new int[this->size];
for (size_t i = 0; i<this->size; i++)
*(this->elems + i) = v.get_elem(i + 1);
}
return *this;
}
void Vector::print(void) const{
for (size_t i = 0; i < this->size; i++)
std::cout << *(this->elems + i) << " ";
std::cout << std::endl;
}
size_t Vector::get_size() const{
return this->size;
}
int Vector::get_elem(size_t pos) const{
return *(this->elems + pos - 1);
}
void Vector::set_elem(size_t pos, const int new_value) {
if (pos >= 1 && pos <= this->size)
*(this->elems + pos - 1) = new_value;
}
**Exvector.h**
#pragma once
#include "Vector.h"
#include <iostream>
class ExtVector : public Vector{
static const size_t DEF_SIZE;
size_t maxVal=0;
virtual void swap(int elem1, int elem2);
public:
ExtVector() :ExtVector(DEF_SIZE,nullptr,0){};
ExtVector(size_t length) :ExtVector(length, nullptr, 0){};
ExtVector(size_t length, const int* data, size_t data_size) : Vector(length, data, data_size){ this->calculate();
// std::cout << "ExtVector Constructor" << std::endl;
};
ExtVector(const ExtVector& v) :Vector(v){ this->calculate();
// std::cout << "ExtVector Constructor" << std::endl;
};
ExtVector(const Vector& v) :Vector(v){ this->calculate();
///std::cout << "ExtVector Constructor" << std::endl;
};
virtual ~ExtVector();
void calculate();
virtual void sort();
size_t get_max_index() const;
void print(void) const override{
std::cout << "Index of max value" << this->maxVal << std::endl;
Vector::print();
};
void set_elem(size_t pos, const int new_value) override;
virtual ExtVector& operator=(const Vector& v);
virtual ExtVector& operator=(const ExtVector& v);
};
**Exvector.cpp**
#include "Extvector.h"
#include <iostream>
ExtVector::~ExtVector(){
Vector::~Vector();
// std::cout << "ExtVector DesConstructor" << std::endl;
}
void ExtVector::calculate(){
size_t maxInd = 0;
for (size_t i = 1; i < this->get_size(); i++){
if (this->get_elem(i+1)>this->get_elem(maxInd+1))
maxInd = i;
}
this->maxVal = maxInd;
}
ExtVector& ExtVector::operator=(const Vector& v){
Vector::operator=(v);
this->calculate();
return *this;
}
ExtVector& ExtVector::operator=(const ExtVector& v){
Vector::operator=(v);
this->calculate();
return *this;
}
size_t ExtVector::get_max_index() const{
return maxVal;
}
void ExtVector::set_elem(size_t pos,const int new_value){
Vector::set_elem(pos, new_value);
this->calculate();
}
void ExtVector::swap(int elem1, int elem2){
int temp = this->get_elem(elem1 - 1);
this->set_elem(elem1 - 1, this->get_elem(elem2 - 1));
this->set_elem(elem2 - 1, temp);
}
void ExtVector::sort(){
int max;
for (size_t i = 0; i < this->get_size()-1;i++)
for (size_t j = i + 1; j < this->get_size();j++)
if (this->get_elem(i + 1) < this->get_elem(j + 1))
this->swap(i, j);
this->calculate();
}
当我尝试构建此项目时，我收到了以下错误：
1>------ Build started: Project: Task3, Configuration: Debug Win32 ------
1> Vector.cpp
1>c:\users\samuel\documents\visual studio 2012\projects\oop\task3\vector.h(8): error C2614: 'Vector' : illegal member initialization: 'Vector' is not a base or member
1>c:\users\samuel\documents\visual studio 2012\projects\oop\task3\vector.h(9): error C2614: 'Vector' : illegal member initialization: 'Vector' is not a base or member
1> Exvector.cpp
1>c:\users\samuel\documents\visual studio 2012\projects\oop\task3\exvector.cpp(1): fatal error C1083: Cannot open include file: 'Extvector.h': No such file or directory
1> Generating Code...
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
如果有人能给我一点指导，我将不胜感激。谢谢！