复数类:class Complex

#define _CRT_SECURE_NO_WARNINGS 1#include<iostream>using namespace std;class Complex{public://构造函数Complex(double real = 0.0, double image = 0.0):_real(real),_image(image){;}//拷贝构造Complex(const Complex& c):_real(c._real),_image(c._image){;}//析构~Complex(){;}void Display(){cout<<"实部："<<_real<<"  虚部："<<_image<<endl;}bool operator>(const Complex&) const;bool operator<(const Complex&) const;bool operator==(const Complex&) const;bool operator!=(const Complex&) const;Complex operator+(const Complex&) const;Complex& operator=(const Complex&);Complex& operator+=(const Complex&);Complex& operator++(); //前置++Complex operator++(int); //后置++private:double _real;double _image;};bool Complex::operator>(const Complex& c) const{return _real > c._real && _image > c._image;}bool Complex::operator==(const Complex& c) const{if (_real == c._real && _image == c._image){return true;}return false;}bool Complex::operator<(const Complex& c) const{return !(*this>c || *this==c);}bool Complex::operator!=(const Complex& c) const{return !(*this == c);}Complex Complex::operator+(const Complex& c) const{Complex tmp;tmp._real = _real + c._real;tmp._image = _image + c._image;return tmp;}Complex& Complex::operator+=(const Complex& c){_real += c._real;_image += c._image;return *this;}Complex& Complex::operator++()//前置++，返回++以后的值{_real += 1;return *this;}Complex Complex::operator++(int) //后置++，返回++以前的值{Complex tmp(*this);tmp._real += 1;return tmp;}Complex& Complex::operator=(const Complex& c){if(this != &c)//防止自己给自己赋值，注：a和b值一样的话也会赋值{_real = c._real;_image = c._image;}return *this;}