第十五周任务1

* 程序头部注释开始
* 程序的版权和版本声明部分
* Copyright (c) 2012, 烟台大学计算机学院学生
* All rights reserved.                          
* 作    者：于晓峰                           
* 完成日期：  2012 年 5 月30 日
* 版 本 号：v1.2

class Triangle{public:Triangle(){a = 1; b = 1; c = 1;}Triangle(double x, double y, double z){a = x; b = y; c = z;}double area(void);double zhouchang(void);private:double a, b, c;};#include "stdafx.h"#include <Cmath>#include "MyTriangle.h"double Triangle::area(void){double s = (a + b + c) / 2;return sqrt(s * (s - a) * (s - b) * (s - c));}double Triangle::zhouchang(void){return a + b + c;}void CMy12111111Dlg::OnBnClickedButton1(){// TODO: 在此添加控件通知处理程序代码UpdateData();Triangle t1(m_a,m_b,m_c);m_area = t1.area();UpdateData(FALSE);}void CMy12111111Dlg::OnBnClickedButton2(){// TODO: 在此添加控件通知处理程序代码UpdateData();Triangle t1(m_a,m_b,m_c);m_zhouchang = t1.zhouchang();UpdateData(FALSE);}