#include [iostream.h] class complex //复数类声明 { public: //外部接口 complex(double r=0.0,double i=0.0) //构造函数 {real=r,imag=i;} complex operator +(complex c2); //运算符"+"重载成员函数 complex operator - (complex c2); //运算符"-"重载成员函数 complex operator *(complex ); complex operator /(complex); complex operator =(complex c2) {real=c2.real;imag=c2.imag; return complex(real,imag); } void display(); //输出复数 private: //私有数据成员 double real; //复数实部 double imag; //复数虚部 }; complex complex::operator + (complex c2) //重载运算符函数实现 { return complex(real + c2.real,imag + c2.imag); } //创建-个临时无名对象作为返回值 complex complex::operator - (complex c2) //重载运算符函数实现 { return complex(real - c2.real,imag - c2.imag); } complex complex::operator *(complex c2) { double x,y; x=real*c2.real-imag*c2.imag; y=real*c2.imag+imag*c2.real; return complex(x,y); } complex complex::operator /(complex c2) { double x,y,z; x=real*c2.real+imag*c2.imag; y=real*c2.imag-imag*c2.real; z=real*c2.real+imag*c2.imag; return complex(x/z,y/z); } void complex::display() { cout<<"("<