第12周项目1-实现复数类中的运算符重载

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/**Copyright(C) 2016,计算机与控制工程学院*All rights reserved.*文件名:zhang.cpp*作者:张志新*完成日期:2016年5月19日*版本号:v1.0**问题描述:用类的成员函数，定义复数类重载运算符+、-、*、/，使之能用于复数的加减乘除*/#include<iostream>using namespace std;class Complex {public:    Complex(){real=0;imag=0;}    Complex(double r,double i){real=r; imag=i;}    Complex operator+(const Complex &c2);    Complex operator-(const Complex &c2);    Complex operator*(const Complex &c2);    Complex operator/(const Complex &c2);    void display();private:    double real;    double imag;};//对运算符的重载Complex Complex::operator+(const Complex &c2)//加{Complex c3;c3.real=real+c2.real;c3.imag=imag+c2.imag;return c3;}Complex Complex::operator-(const Complex &c2)//减{    Complex c3;c3.real=real-c2.real;c3.imag=imag-c2.imag;return c3;}Complex Complex::operator*(const Complex &c2)//乘{    Complex c3;c3.real=real*c2.real;c3.imag=imag*c2.imag;return c3;}Complex Complex::operator/(const Complex &c2)//除{ Complex c3; c3.real=real/c2.real; c3.imag=imag/c2.imag; return c3;}void Complex::display()//输出计算后的复数{cout<<"("<<real<<",i"<<imag<<")"<<endl;}int main(){    Complex c1(3,4),c2(5,-10),c3;    cout<<"c1=";    c1.display();    cout<<"c2=";    c2.display();    c3=c1+c2;    cout<<"c1+c2=";    c3.display();    c3=c1-c2;    cout<<"c1-c2=";    c3.display();    c3=c1*c2;    cout<<"c1*c2=";    c3.display();    c3=c1/c2;    cout<<"c1/c2=";    c3.display();    return 0;}

学习心得:

这个程序是个很简单的运算符重载函数，其中要注意的就是在写运算符重载函数的形式。

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