作业四: 结对编程项目---四则运算

form1.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace 四则运算1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private int t = 20;//计时20s
        public static int Count = 0;
       
        public static int right = 0;
        System.Media.SoundPlayer s = new System.Media.SoundPlayer(@"D:\KUGOU\SONG\NO.9.wav");//插入音乐
        

        private void timer1_Tick(object sender, EventArgs e)//时间计时器
        {
            if (t <= 0)
            {
                timer1.Enabled = false;
                textBox4.Enabled = false;
                MessageBox.Show("时间到！");
                textBox4.Enabled = false;
                Form2 frm2 = new Form2();
                frm2.ShowDialog();
            }
            t = t - 1;
            label2.Text = t.ToString();

        }

        private void button6_Click(object sender, EventArgs e)//开始按钮
        {
            label2.Text = t.ToString();
            timer1.Enabled = true;
            timer1.Interval = 1000;
            timer1.Start();
        }

        private void szys()
        {
            Random rd = new Random();
            int r1, r2;
            if (textBox4.Text == "" && textBox5.Text == "")
            {
                MessageBox.Show("请输入取值范围!");
                return;
            }
            r1 = rd.Next(int.Parse(textBox4.Text), int.Parse(textBox5.Text));
            r2 = rd.Next(int.Parse(textBox4.Text), int.Parse(textBox5.Text));
            textBox1.Text = r1.ToString();
            textBox1.Text = r2.ToString();
            string[] fuhao = new string[] { "＋", "－", "×", "÷" };
            label3.Text = fuhao[rd.Next(0, 9)];
            int result = 0;
            switch (label3.Text)
            {
                case "＋":
                    result = int.Parse(textBox1.Text) + int.Parse(textBox1.Text);
                    return;
                case "－":
                    if (int.Parse(textBox1.Text) >= int.Parse(textBox1.Text))
                    {
                        result = int.Parse(textBox1.Text) - int.Parse(textBox1.Text);
                    }
                    else
                    {
                        MessageBox.Show("进行下一题！");
                    }
                    return;
                case "×":
                    result = int.Parse(textBox1.Text) * int.Parse(textBox1.Text);
                    return;
                case "÷":
                    if (textBox1.Text == "0")
                    {
                        MessageBox.Show("请回车继续答题！");
                    }
                    else
                    {
                        result = int.Parse(textBox1.Text) / int.Parse(textBox1.Text);
                    }
                    return;
            }
        }

        private void szysNum()//加减乘除的设置
        {
            Random ran = new Random();
            int n1, n2;
            if (textBox4.Text == "" && textBox5.Text == "")
            {
                MessageBox.Show("请输入取值范围!");
                return;
            }
            n1 = ran.Next(int.Parse(textBox4.Text), int.Parse(textBox5.Text));
            n2 = ran.Next(int.Parse(textBox4.Text), int.Parse(textBox5.Text));
            textBox2.Text = n1.ToString();
            textBox1.Text = n2.ToString();
            textBox6.Text = "";
        }

        private void button7_Click(object sender, EventArgs e)//停止
        {
            timer1.Stop();
            Form2 frm2 = new Form2();
            frm2.ShowDialog();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            label9.Text = button1.Text;
            szysNum();
        }//+

        private void button2_Click(object sender, EventArgs e)
        {
            label9.Text = button2.Text;
            szysNum();
        }//-

        private void button3_Click(object sender, EventArgs e)
        {
            label9.Text = button3.Text;
            szysNum();
        }//*

        private void button4_Click(object sender, EventArgs e)
        {
            label9.Text = button4.Text;
            szysNum();
        }//chu

        private void textBox3_KeyDown(object sender, KeyEventArgs e)
        {
            int result = 0;
            string s = label10.Text;
            if (Count == int.Parse(textBox3.Text))
            {
                Form2 frm2 = new Form2();//转到结束界面
                frm2.ShowDialog();
            }
            switch (s)
            {
                case "＋":
                    result = int.Parse(textBox2.Text) + int.Parse(textBox1.Text);
                    break;
                case "－":
                    if (int.Parse(textBox2.Text) >= int.Parse(textBox1.Text))
                    {
                        result = int.Parse(textBox2.Text) - int.Parse(textBox1.Text);
                    }
                    else
                    {
                        MessageBox.Show("进行下一题！");
                    }
                    break;
                case "×":
                    result = int.Parse(textBox2.Text) * int.Parse(textBox1.Text);
                    break;
                case "÷":
                    if (textBox1.Text == "0")
                    {
                        MessageBox.Show("请回车继续答题！");
                    }
                    else
                    {
                        result = int.Parse(textBox2.Text) / int.Parse(textBox1.Text);
                    }
                    break;
            }
            if (e.KeyCode == Keys.Enter)
            {
                if (textBox6.Text == result.ToString())
                {
                    right++;
                    Count++;
                    MessageBox.Show("恭喜回答正确！");
                }
                else
                {
                    if (textBox1.Text == "0" || int.Parse(textBox2.Text) - int.Parse(textBox1.Text) < 0)
                    {
                        szysNum();
                    }
                    else
                    {
                        MessageBox.Show("抱歉！");
                        szysNum();
                        Count++;
                    }
                }
                szysNum();
            }
        }

        private void button8_Click(object sender, EventArgs e)
        {
            Form3 frm3 = new Form3();
            frm3.ShowDialog();
        }

        private void button5_Click(object sender, EventArgs e)
        {
            if (textBox4.Text == "" && textBox5.Text == "")
            {
                MessageBox.Show("请输入取值范围!");
                return;
            }
            else
            {
                for (int i = 0; i < int.Parse(textBox3.Text); i++)
                {
                    szys();
                }
            }
        }
    }
}

form3.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace 四则运算1
{
    public partial class Form3 : Form
    {
        public Form3()
        {
            InitializeComponent();

        }
        private String[] strs = new String[] { "+", "-", "/", "*" };
        private Random r3 = new Random();
        private void button4_Click(object sender, EventArgs e)
        {
            listView1.Items.Add("题目：" + textOne.Text + textC.Text + textTwo.Text + "=");
        }

        private void button5_Click(object sender, EventArgs e)
        {
            listView1.Items.Clear();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Random r1 = new Random();
            int num1 = r1.Next(-10, 10);
            if (num1 < 0)
                textOne.Text = "(" + num1.ToString() + ")";
            else
                textOne.Text = num1.ToString();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            textC.Text = Getstr(1);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            Random r2 = new Random();
            int num2 = r2.Next(-10, 10);
            if (num2 < 0)
                textTwo.Text = "(" + num2.ToString() + ")";
            else
                textTwo.Text = num2.ToString();


        }
        private string Getstr(int num)
        {
            string result = "";
            for (int i = 0; i < num; i++)
            {
                int r = r3.Next(strs.Length);
                result += strs[r];
            }
            return result;
        }

        private void button6_Click(object sender, EventArgs e)
        {
            Form1 frm1 = new Form1();
            frm1.ShowDialog();
        }
    }
}