Windows Phone7简单的计算器程序代码

 using System;
  using System.Collections.Generic;
  using System.Linq;
  using System.Net;
  using System.Windows;
  using System.Windows.Controls;
  using System.Windows.Documents;
  using System.Windows.Input;
  using System.Windows.Media;
  using System.Windows.Media.Animation;
  using System.Windows.Shapes;
  using Microsoft.Phone.Controls;
 
  namespace PhoneApp9
  {
      public partial class MainPage : PhoneApplicationPage
      {
          // 构造函数
          public MainPage()
          {
              InitializeComponent();
          }
 
          public double Num1;
          yunSuanFu yunsuanfu = 0;
          bool isinput = false;
          double numresult;
          public enum yunSuanFu:int
          {
              jia=1,
              jian=2,
              cheng=3,
              chu=4
          }
          /// <summary>
          /// 计算数据
          /// </summary>
          /// <param name="num1">参数1</param>
          /// <param name="num2">参数2</param>
          /// <param name="yunsuanfu">运算类型</param>
          /// <returns></returns>
          private double jisuan(double num1,double num2, yunSuanFu yunsuanfu)
          {
              double result;
              switch (yunsuanfu)
              {
                  case yunSuanFu.jia:
                      {
                          result = num1 + num2;
                          break;
                      }
                  case yunSuanFu.jian:
                      {
                          result = num1 - num2;
                          break;
                      }
                  case yunSuanFu.cheng:
                      {
                          result = num1 * num2;
                          break;
                      }
                  case yunSuanFu.chu:
                      {
                          result = num1 / num2;
                          break;
                      }
                  default:
                      {
                          result = 0;
                          break;
                      }
              }
              return result;
          }
          private void Button_Click(object sender, RoutedEventArgs e)
          {
             
 
              string text = ((Button)sender).Content.ToString();
              int number;
              if (int.TryParse(text,out number) || text == ".")
              {
                  if (isinput == false)
              {
                  if (yunsuanfu != 0)
                  {
                      isinput = true;
                      showToText("");
                  }
              }
                  showcntent.Text += text;
              }
              else
              {
                  yunsuanfu = getYunsuanfu(text);
                  double num1 = Num1;
                  double num2=Convert.ToDouble(showcntent.Text);
                  numresult = jisuan(num1, num2, yunsuanfu);
                  Num1 = numresult;
                  showToText(numresult.ToString());
                  isinput = false;
              }
                 
 
          }
          private void showToText(string text)
          {
            
              showcntent.Text = text;
          }
          /// <summary>
          /// 获取运算符
          /// </summary>
          /// <param name="text"></param>
          /// <returns></returns>
          private yunSuanFu getYunsuanfu(string text)
          {
              yunSuanFu yunsuanfu=0;
              switch (text)
              {
                  case "+":
                      {
                          yunsuanfu = yunSuanFu.jia;
                          break;
                      }
                  case "-":
                      {
                          yunsuanfu = yunSuanFu.jian;
                          break;
 
                      }
                  case "*":
                      {
                          yunsuanfu = yunSuanFu.cheng;
                          break;
                      }
                  case "/":
                      {
                          yunsuanfu = yunSuanFu.chu;
                          break;
                      }
              }
              return yunsuanfu;
  
          }
          private void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
          {
            
              showcntent.Text = "";
          }
 
          private void Button_Click_1(object sender, RoutedEventArgs e)
          {
              double num2 = Convert.ToDouble(showcntent.Text);
              numresult = jisuan(Num1, num2, yunsuanfu);
              showToText(numresult.ToString());
          }
      }
  }