C#程序设计实验11 简易计算器样式设计

<Window x:Class="Calculator.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

xmlns:local="clr-namespace:Calculator"

mc:Ignorable="d"

Title="HZF的计算器" Height="450" Width="800">

<Grid>

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<Grid.RowDefinitions>

</Grid.RowDefinitions>

</Grid>

</Window>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

namespace Calculator

{

/// <summary>

/// MainWindow.xaml 的交互逻辑

/// </summary>

public partial class MainWindow : Window

{

//定义两个数组，存数字和运算符

private List<double> values = new List<double>();//储存值

private List<int> operators = new List<int>();//储存运算符

//将运算符初始化为不可点击，因为运算符不能出现在第一位

private bool add_flag = false;//加+

private bool minus_flag = false;//减-

private bool multi_flag = false;//乘×

private bool div_flag = false;//除÷

private bool result_flag = false;//等于＝

private bool can_operate_flag = false;//响应=

private bool mo_flag = false;//模%

private bool point_flag = false;

public MainWindow()

{

InitializeComponent();

}

private void num_down(string num)

{

//如果按下某一个运算符，它变为true,

//而后当按下一个数值时会清楚上一个在文本框的值

if (add_flag || minus_flag || div_flag || result_flag || multi_flag

)

{

//如果按下等号，结束这次运算，文本框置空

if (result_flag)

{

Box.Text = "";

}

num_Box.Clear();

add_flag = false;//加+

minus_flag = false;//减-

multi_flag = false;//乘×

div_flag = false;//除÷

result_flag = false;//等于＝

can_operate_flag = false;//响应=

mo_flag = false;//模%

}

if ((num.Equals(".") && num_Box.Text.IndexOf(".") < 0) || !num.Equals("."))

{

//如果用户输入是点并且遍历文本框没有点，或者输入不是.

num_Box.Text += num; //文本框后追加输入内容

Box.Text += num;

can_operate_flag = true; //运算符禁用解除

}

private void Zero_Click(object sender, RoutedEventArgs e)

{

num_down("0");

}

private void one_Click(object sender, RoutedEventArgs e)

{

num_down("1");

}

private void two_Click(object sender, RoutedEventArgs e)

{

num_down("2");

}

private void three_Click(object sender, RoutedEventArgs e)

{

num_down("3");

}

private void four_Click(object sender, RoutedEventArgs e)

{

num_down("4");

}

private void five_Click(object sender, RoutedEventArgs e)

{

num_down("5");

}

private void six_Click(object sender, RoutedEventArgs e)

{

num_down("6");

}

private void seven_Click(object sender, RoutedEventArgs e)

{

num_down("7");

}

private void eight_Click(object sender, RoutedEventArgs e)

{

num_down("8");

}

private void nine_Click(object sender, RoutedEventArgs e)

{

num_down("9");

}

private void point_Click(object sender, RoutedEventArgs e)

{

num_down(".");

}

private void add_Click(object sender, RoutedEventArgs e)

{

if (!add_flag && can_operate_flag)//防止用户输入多次符号键

{

result_flag = false;

values.Add(double.Parse(num_Box.Text));//数组装载数字

operators.Add(0);//数组装载+号

Box.Text += "+";

add_flag = true;

can_operate_flag = false;//禁用计算操作

}

private void minus_Click(object sender, RoutedEventArgs e)

{

if (!minus_flag && can_operate_flag)//防止用户输入多次符号键

{

result_flag = false;

values.Add(double.Parse(num_Box.Text));//数组装载数字

operators.Add(1);//数组装载-号

Box.Text += "-";

minus_flag = true;

can_operate_flag = false;//禁用计算操作

}

private void mutil_Click(object sender, RoutedEventArgs e)

{

if (!multi_flag && can_operate_flag)//防止用户输入多次符号键

{

result_flag = false;

values.Add(double.Parse(num_Box.Text));//数组装载数字

operators.Add(2);//数组装载*号

Box.Text = "(" + num_Box.Text + ")" + "×";//给前面的输入加上（）

multi_flag = true;//禁用乘号

can_operate_flag = false;//禁用计算操作

}

private void div_Click(object sender, RoutedEventArgs e)

{

if (!div_flag && can_operate_flag)//防止用户输入多次符号键

{

result_flag = false;

values.Add(double.Parse(num_Box.Text));//数组装载数字

operators.Add(3);//数组装载/号

Box.Text = "(" + Box.Text + ")" + "÷";//给前面的输入加上（）

div_flag = true;

can_operate_flag = false;//禁用计算操作

}

private void clear_Click(object sender, RoutedEventArgs e)

{

operators.Clear();//清楚操作符数组和值数组

values.Clear();

//初始化

add_flag = false;//加+

minus_flag = false;//减-

multi_flag = false;//乘×

div_flag = false;//除÷

result_flag = false;//等于＝

can_operate_flag = false;//响应=

mo_flag = false;//模%

num_Box.Clear();

Box.Clear ();

}

private void deng_Click(object sender, RoutedEventArgs e)

{

//数字数量＞0，运算符数量>0，可等于的运算未禁用

if (values.Count > 0 && operators.Count > 0 && can_operate_flag)

{

values.Add(double.Parse(num_Box.Text));//将用户点击的数字传入值数组

double total = values[0];

for (int i = 0; i < operators.Count; i++)

{

int _operator = operators[i];//把运算符装入operators数组

switch (_operator)

{

//按照输入的运算符对应的数组下标进行对应操作

case 0:

total = total+ values[i + 1]; //方法加

break;

case 1:

total = total - values[i + 1]; //方法减

break;

case 2:

total = total * values[i + 1]; //方法乘

break;

case 3:

total = total / values[i + 1]; //方法除

break;

case 4:

total = total % values[i + 1];

break;

}

num_Box.Text = total + "";

Box.Text = total + "";

operators.Clear();

values.Clear();

result_flag = true;

}

C#程序设计实验11 简易计算器样式设计

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