前言
第一次写C++，用户界面感觉还行，内部实现不太高级，搞得能看。。。
想发出来留作纪念
功能介绍
这个代码包括一个复数类和四个运算函数，一个用户界面函数和一个功能函数
细节：当复数不足两个时无法进行运算，等等…忘了
结果展示
使用页面
建立复数
复数相加
其他功能诸如此类，不作展示
代码区
由于个人看着头疼所以将其拆开，在此声明这个代码无阉割
复数类
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| #include<iostream>
#include<stdlib.h>
using namespace std;
class Plural {
public:
Plural(int r, int i);
void Display();
int Real;
int Imag;
};
Plural::Plural(int r, int i) {
Real = r;
Imag = i;
}
void Plural::Display() {
cout << "z = " << Real << "+ " << Imag << "i" << endl;
}
|
全局变量
这就是我说的不高级的地方，我知道可以弄static呀什么的，我就是不会
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int n = 1;
Plural* p[100];
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四则运算
别看我这写的花里胡哨，主要还是为了用户界面好看
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void sum(const Plural& z1, const Plural& z2) {
cout << "+---------------------------------------+" << endl;
cout << " z1 + z2 = (" << z1.Real << "+ " << z1.Imag << "i) + ("
<< z2.Real << "+ " << z2.Imag << "i) = " << z1.Real + z2.Real
<< " + " << z1.Imag + z2.Imag << "i" << endl;
cout << "+---------------------------------------+" << endl;
}
void sub(const Plural& z1, const Plural& z2) {
cout << "+---------------------------------------+" << endl;
cout << " z1 - z2 = (" << z1.Real << "+ " << z1.Imag << "i) - ("
<< z2.Real << "+ " << z2.Imag << "i) = " << z1.Real - z2.Real
<< " + " << z1.Imag - z2.Imag << "i" << endl;
cout << "+---------------------------------------+" << endl;
}
void mul(const Plural& z1, const Plural& z2) {
cout << "+---------------------------------------+" << endl;
cout << " z1 * z2 = (" << z1.Real << "+ " << z1.Imag << "i) * ("
<< z2.Real << "+ " << z2.Imag << "i) = " << z1.Real * z2.Real - z1.Imag * z2.Imag
<< " + " << z2.Real * z1.Imag + z1.Real * z2.Imag << "i" << endl;
cout << "+---------------------------------------+" << endl;
}
void div(const Plural& z1, const Plural& z2) {
int rTop = z1.Real * z2.Real + z1.Imag * z2.Imag;
int iTop = z2.Real * z1.Imag - z1.Real * z2.Imag;
int Down = z2.Real * z2.Real + z2.Imag * z2.Imag;
cout << "+----------------------------------------------------+" << endl;
cout << " z1 / z2 = (" << z1.Real << "+ " << z1.Imag << "i) / ("
<< z2.Real << "+ " << z2.Imag << "i) = (" << rTop << "/" << Down
<< ") + (" << iTop << "/" << Down << ")i " << endl;
cout << "+----------------------------------------------------+" << endl;
}
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打印菜单
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void makeMenu() {
cout << "+---【欢迎使用复变四则运算系统】---+" << endl;
cout << "+-----------------+----------------+" << endl;
cout << "| 0.退出系统 | 1.输入复数 |" << endl;
cout << "+-----------------+----------------+" << endl;
cout << "| 2.复数相加 | 3.复数相减 |" << endl;
cout << "+-----------------+----------------+" << endl;
cout << "| 4.复数相乘 | 5.复数相除 |" << endl;
cout << "+-----------------+----------------+" << endl;
cout << "请输入指令：";
}
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按键交互
与菜单结合食用更香哦
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void keyDown() {
int key = 0;
cin >> key;
switch (key) {
case 0:
cout << "退出成功！" << endl;
exit(0);
break;
case 1:
int m_real, m_imag;
cout << "请依次输入复数的实部和虚部：";
cin >> m_real >> m_imag;
p[n] = new Plural(m_real, m_imag);
n++;
break;
case 2:
if (n >= 3) {
int n1, n2;
cout << "请选择要相加的复数(如：1 2):";
cin >> n1 >> n2;
sum(*p[n1], *p[n2]);
} else cout << "您没有大于两个的复数！" << endl;
break;
case 3:
if (n >= 3) {
int n1, n2;
cout << "请选择要相减的复数(如：1 2):";
cin >> n1 >> n2;
sub(*p[n1], *p[n2]);
} else cout << "您没有大于两个的复数！" << endl;
break;
case 4:
if (n >= 3) {
int n1, n2;
cout << "请选择要相乘的复数(如：1 2):";
cin >> n1 >> n2;
mul(*p[n1], *p[n2]);
} else cout << "您没有大于两个的复数！" << endl;
break;
case 5:
if (n >= 3) {
int n1, n2;
cout << "请选择要相除的复数(如：1 2):";
cin >> n1 >> n2;
div(*p[n1], *p[n2]);
} else cout << "您没有大于两个的复数！" << endl;
break;
default:
cout << "请输入正确指令！" << endl;
break;
}
}
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主函数
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| int main() {
while (1) {
makeMenu();
keyDown();
system("pause");
system("cls");
}
return 0;
}
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没啥好讲的，只是为了留作纪念
今天的分享到此结束！
