老陈与小石头运算代码

定义的抽象类进行计算
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace 老陈小石头
{
    public abstract class  Strategy
    {
        public abstract int calculate(int a, int b);
    }
    public class AddStr : Strategy  //加法
    {
        public override int calculate(int a, int b)
        {
            return a + b;
        }
    }
    public class SubStr : Strategy  //减法
    {
        public override int calculate(int a, int b)
        {
            return a - b;
        }
    }
    public class MultiplyStr : Strategy  //乘法
    {
        public override int calculate(int a, int b)
        {
            return a * b;
        }

    }
    public class Environment  //调用抽象类的方法
    {
        private Strategy strategy;

        public Environment(Strategy str)
        {
            this.strategy = str;
        }
        public int calculate(int a, int b)
        {
            return this.strategy.calculate(a, b);
        }
    }
}

　　

Form1窗体的代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace 老陈小石头
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        string path = "I:\大二上\软件工程";
        public static int count=0;
        public static int t = 0;
        public static int right = 0;
        public static int sum;
        int j = 0;
        int i = 0;
        //"*"
        private void cheng_Click(object sender, EventArgs e)
        {
            ysf.Text = "*";
            count++;
            number2.Focus();
        }
        //"+"
        private void jia_Click(object sender, EventArgs e)
        {
            ysf.Text = "+";
            count++;
            number2.Focus();
        }
        //"-"
        private void jian_Click(object sender, EventArgs e)
        {
            ysf.Text = "-";
            count++;
            number2.Focus();
        }
        //出题
        private void submitan_Click(object sender, EventArgs e)
        {
            StreamWriter n1 = File.AppendText("n1.txt");
            n1.WriteLine(number1.Text);
            n1.Close();
            StreamWriter fu = File.AppendText("fu.txt");
            fu.WriteLine(ysf.Text);
            fu.Close();
            StreamWriter n2 = File.AppendText("n2.txt");
            n2.WriteLine(number2.Text);
            n2.Close();
            tiku.Text += number1.Text + ysf.Text + number2.Text + deng.Text + "
";
            j++;
            number1.Text = "";
            number2.Text = "";
            ysf.Text = " ";
            txtsave.Enabled = true;
            txtopen.Enabled = true;
            number1.Focus();
        }
        private void timer1_Tick(object sender, EventArgs e)
        {
            t = t + 1;
            jitime.Text = t.ToString();
        }
        //开始答题
        private void start_Click(object sender, EventArgs e)
        {
            jitime.Text = t.ToString();
            timer1.Enabled = true;
            timer1.Interval = 1000;
            timer1.Start();
            string[] m1 = new string[100];
            m1 = File.ReadAllLines("n1.txt");
            string[] m2 = new string[100];
            m2 = File.ReadAllLines("fu.txt");
            string[] m3 = new string[100];
            m3 = File.ReadAllLines("n2.txt");
            textBox1.Text = m1[0];
            textBox2.Text = m2[0];
            textBox3.Text = m3[0];
            answer.Focus();
        }
        //提交答案
        private void mit_Click(object sender, EventArgs e)
        {

            int a=int.Parse(textBox1.Text);
            int b=int.Parse(textBox3.Text);
            string m = textBox2.Text;
            Environment envir;
            switch (m)
            {
                case "+":
                    envir = new Environment(new AddStr());
                    sum = envir.calculate(a, b);
                    break;
                case "-":
                    envir = new Environment(new SubStr());
                    sum = envir.calculate(a, b);
                    break;
                case "*":
                    envir = new Environment(new MultiplyStr());
                    sum = envir.calculate(a, b);
                    break;
                default:
                    break;
            }
            if (answer.Text == sum.ToString())
                right++;
            answer.Text = "";

　　

            i++;
            if (i < j)
            {
                string[] m1 = new string[100];
                m1 = File.ReadAllLines("n1.txt");
                string[] m2 = new string[100];
                m2 = File.ReadAllLines("fu.txt");
                string[] m3 = new string[100];
                m3 = File.ReadAllLines("n2.txt");
                textBox1.Text = m1[i];
                textBox2.Text = m2[i];
                textBox3.Text = m3[i];
            }
            else
            {
                textBox1.Text = "";
                textBox2.Text = "";
                textBox3.Text = "";
            }
            answer.Focus();
        }
        //查看做题情况
        private void button1_Click(object sender, EventArgs e)
        {
            timer1.Enabled = false;
            Form2 frm = new Form2();
            frm.Show();
        }
        //保存
        private void txtsave_Click(object sender, EventArgs e)
        {
            SaveFileDialog TxtSaveDialog = new SaveFileDialog();
            TxtSaveDialog.Filter = "RTF文件(*.RTF)|*.RTF";
            if (File.Exists(path))
            {
                this.tiku.SaveFile(path, RichTextBoxStreamType.RichText);
                MessageBox.Show("保存成功", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                this.tiku.Clear();
                txtsave.Enabled = false;
            }           
            else
            {
                if (TxtSaveDialog.ShowDialog() == DialogResult.OK)
                {

                    this.tiku.SaveFile(TxtSaveDialog.FileName, RichTextBoxStreamType.RichText);
                    MessageBox.Show("保存成功", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                    this.tiku.Clear();
                    txtsave.Enabled = false;
                }
            }
        }
        //查看
        private void txtopen_Click(object sender, EventArgs e)
        {
            OpenFileDialog TxTOpenDialog = new OpenFileDialog();
            TxTOpenDialog.Filter = "RTF文件(*.RTF)|*.RTF";
            if (TxTOpenDialog.ShowDialog() == DialogResult.OK)
            {
                path = TxTOpenDialog.FileName;
                this.tiku.LoadFile(TxTOpenDialog.FileName, RichTextBoxStreamType.RichText);
                txtsave.Enabled = false;
                txtopen.Enabled = false;
                MessageBox.Show("打开成功", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            txt tt = new txt();
            tt.text1();
        }
   }
}
Form2的窗体代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace 老陈小石头
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }

        private void Form2_Load(object sender, EventArgs e)
        {
            textcount.Text = Form1.count.ToString();
            Ttishu.Text = Form1.right.ToString();
            Tlv.Text = ((Form1.right / (double)(Form1.count)) * 100).ToString()+"%";
            yunss.Text=(Form1.t/(double)(Form1.count)).ToString()+"/t";
        }
    }
}
类txt的代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace 老陈小石头
{
    class txt
    {
        //生成三个文本存放数据
        public void text1()
        {
            File.WriteAllText("n1.txt", string.Empty);
            File.WriteAllText("fu.txt", string.Empty);
            File.WriteAllText("n2.txt", string.Empty);
        }
    }
}