幼稚园的学习,只能拿计算器练手,幸好基本没有抄袭别人的,狂躁的我窃喜不已!

 这里的代码糟糕的没法形容,毕竟从结构化迁徙到面向对象是一种说不出滋味的爽或不爽。乘法、除法、乘方的功能都没有实现,迫不及待地发出来,当然是显摆显摆。一个值得庆幸的地方是,这里基本没有抄袭的痕迹,都是自己吭吭哧哧拼出来的,还真的有点喜形于色。当然有一点不得不提,我蹩脚的英语居然一点都没有提高。

幼稚园的学习,只能拿计算器练手,幸好基本没有抄袭别人的,狂躁的我窃喜不已!

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 WpfApp5
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public decimal xxx;
        public char opteration;
        public MainWindow()
        {
            xxx = (decimal)0.0;
            opteration = '+';
            InitializeComponent();
        }

        private void Clear_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text = "";
            label.Content = "";
            label_Copy.Content = "";
            xxx = 0;
        }

        private void _0_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += '0';
        }

        private void _1_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += '1';
        }

        private void _2_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += '2';
        }

        private void _3_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += '3';
        }

        private void _4_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += '4';
        }

        private void _5_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += '5';
        }

        private void _6_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += '6';
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += '7';
        }

        private void _8_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += '8';
        }

        private void _9_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += '9';
        }

        private void _00_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            textbox.Text += "00";
        }

        private void Dot_b_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            if (textbox.Text.Contains('.'))
                ;
            else
                textbox.Text += '.';
        }

        private void Add_Click(object sender, RoutedEventArgs e)
        {
            Label mylab = label;
            if (tb.Text.Equals(""))
            {
                mylab.Content = "";
                mylab.Content = '+';
                opteration = (char)mylab.Content;
            }
            else {
                switch (opteration)
                {
                    case '+':
                        try
                        {
                            xxx += Convert.ToDecimal(tb.Text);
                        }
                        catch (Exception ee)
                        {

                        }
                        break;
                    case '-':
                        try
                        {
                            xxx -= Convert.ToDecimal(tb.Text);
                        }
                        catch (Exception ee)
                        {

                        }
                        break;
                    case '*':
                        try
                        {
                            xxx *= Convert.ToDecimal(tb.Text);
                        }
                        catch (Exception ee)
                        {

                        }
                        break;
                    case '/':
                        try
                        {
                            xxx /= Convert.ToDecimal(tb.Text);
                        }
                        catch (Exception ee)
                        {

                        }
                        break;
                }
                mylab.Content = "";
                mylab.Content = '+';
                opteration = (char)mylab.Content;
            }
            tb.Text = "";
            label_Copy.Content = xxx.ToString(); 
        }

        private void Sub_Click(object sender, RoutedEventArgs e)
        {
            Label mylab = label;
            if (tb.Text.Equals(""))
            {
                mylab.Content = "";
                mylab.Content = '-';
                opteration = (char)mylab.Content;
            }
            else
            {
                switch (opteration)
                {
                    case '+':
                        try
                        {
                            xxx += Convert.ToDecimal(tb.Text);
                        }
                        catch (Exception ee)
                        {

                        }
                        break;
                    case '-':
                        try
                        {
                            xxx -= Convert.ToDecimal(tb.Text);
                        }
                        catch (Exception ee)
                        {

                        }
                        break;
                    case '*':
                        try
                        {
                            xxx *= Convert.ToDecimal(tb.Text);
                        }
                        catch (Exception ee)
                        {

                        }
                        break;
                    case '/':
                        try
                        {
                            xxx /= Convert.ToDecimal(tb.Text);
                        }
                        catch (Exception ee)
                        {

                        }
                        break;
                }
                mylab.Content = "";
                mylab.Content = '-';
                opteration = (char)mylab.Content;
            }
            tb.Text = "";
            label_Copy.Content = xxx.ToString();
        }

        private void Mul_Click(object sender, RoutedEventArgs e)
        {
            Label mylab = label;
            //            if (tb.Text.TrimEnd('+').Equals('+'))
            mylab.Content = "";
            mylab.Content = '*';
            try
            {
                xxx *= Convert.ToDecimal(tb.Text);
            }
            catch (Exception ee)
            {

            }

            tb.Text = "";
            label_Copy.Content = xxx.ToString();
        }

        private void Div_Click(object sender, RoutedEventArgs e)
        {
            Label mylab = label;
            //            if (tb.Text.TrimEnd('+').Equals('+'))
            mylab.Content = "";
            mylab.Content = '/';
            try
            {
                xxx /= Convert.ToDecimal(tb.Text);
            }
            catch (Exception ee)
            {
                MessageBox.Show("div 0 error!");
            }
            tb.Text = "";
            label_Copy.Content = xxx.ToString();
        }

        private void Delete_Click(object sender, RoutedEventArgs e)
        {
            TextBox textbox = tb;
            try { 
            if (textbox.Text.Length > 0)
                    textbox.Text = textbox.Text.Substring(0, textbox.Text.Length - 1);
            }
            catch (Exception ee) {

            }
        }

        private void Result_Click(object sender, RoutedEventArgs e)
        {
            MessageBox.Show("Unable use!");
        }
    }
}