【Visual C#】樂透五星彩模擬器

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 樂透
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        //宣告全域
        int allscore = 0;

        private void button1_Click(object sender, EventArgs e)
        {
            int ch = 0;
            int[] tbarray = new int[] { int.Parse(nu1.Text), int.Parse(nu2.Text), int.Parse(nu3.Text), int.Parse(nu4.Text), int.Parse(nu5.Text), int.Parse(sp1.Text) };
            
            //檢查數字範圍輸入錯誤
            if (tbarray[0] == tbarray[1] || tbarray[0] == tbarray[2] || tbarray[0] == tbarray[3] || tbarray[0] == tbarray[4] || tbarray[1] == tbarray[2] || tbarray[1] == tbarray[3] || tbarray[1] == tbarray[4] || tbarray[2] == tbarray[3] || tbarray[2] == tbarray[4] || tbarray[3] == tbarray[4])
            {
                label13.Text = "數值重複";
                ch -= 2;
            }
            if (tbarray[0] <= 0 || tbarray[0] > 20 || tbarray[1] <= 0 || tbarray[1] > 20 || tbarray[2] <= 0 || tbarray[2] > 20 || tbarray[3] <= 0 || tbarray[3] > 20 || tbarray[4] <= 0 || tbarray[4] > 20 || tbarray[5] <= 0 || tbarray[5] > 8)
            {
                label13.Text = "範圍錯誤";
                ch -= 2;
            }
            if (ch == -4)
            {
                label13.Text = "選號錯誤";
            }
            if (ch==0)
            {
                //開始抽獎
                nu1.Enabled = false;
                nu2.Enabled = false;
                nu3.Enabled = false;
                nu4.Enabled = false;
                nu5.Enabled = false;
                sp1.Enabled = false;
                op.Enabled = false; 
                op.Text = "選號完成";
                startapp.Enabled = true;
                button3.Enabled = true;
                startapp.Text = "抽獎！";
                button3.Text = "重新選號";
                label13.Text = "抽獎時間！";
            }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            int[] randomize = new int[5];
            Random rnd = new Random();
            for (int i = 0; i < 5; i++)
            {
                //將1~20亂數依序放進陣列randomize中
                randomize[i] = rnd.Next(1, 21);        
                for (int j = 0; j < i; j++)
                {
                    // 檢查是否有重複的亂數，如果有就重新產生
                    while (randomize[j] == randomize[i])         
                    {
                        j = 0;
                        randomize[i] = rnd.Next(1, 21);
                    }
                }
                
                //顯示中獎亂數號碼
                label1.Text = randomize[0].ToString("00");
                label2.Text = randomize[1].ToString("00");
                label3.Text = randomize[2].ToString("00");
                label4.Text = randomize[3].ToString("00");
                label5.Text = randomize[4].ToString("00");
                label11.Text = rnd.Next(1, 9).ToString("00");   
            }
            
            //比對號碼，計分
            string BRecord = "";
            if (nu1.Text.PadLeft(2, '0') == label1.Text)
            {
                allscore += 3;
                BRecord = nu1.Text.PadLeft(2, '0') + ",";
            }
            if (nu2.Text.PadLeft(2, '0') == label2.Text)
            {
                allscore += 3;
                BRecord = BRecord + nu2.Text.PadLeft(2, '0') + ",";
            }
            if (nu3.Text.PadLeft(2, '0') == label3.Text)
            {
                allscore += 3;
                BRecord = BRecord + nu3.Text.PadLeft(2, '0') + ",";
            }
            if (nu4.Text.PadLeft(2, '0') == label4.Text)
            {
                allscore += 3;
                BRecord = BRecord + nu4.Text.PadLeft(2, '0') + ",";
            }
            if (nu5.Text.PadLeft(2, '0') == label5.Text)
            {
                allscore += 3;
                BRecord = BRecord + nu5.Text.PadLeft(2, '0') + ",";
            }
            int cost = allscore * 500;
            int spcost = 0;
            if (sp1.Text == label11.Text)
            {
                allscore += 1;
                spcost = 500;
                BRecord = BRecord + "特" + sp1.Text;
            }

            //最後統整
            string Record = nu1.Text.PadLeft(2, '0') + "," + nu2.Text.PadLeft(2, '0') + "," + nu3.Text.PadLeft(2, '0') + "," + nu4.Text.PadLeft(2, '0') + "," + nu5.Text.PadLeft(2, '0') + " 特" + sp1.Text;
            string ARecord = label1.Text.PadLeft(2, '0') + "," + label2.Text.PadLeft(2, '0') + "," + label3.Text.PadLeft(2, '0') + "," + label4.Text.PadLeft(2, '0') + "," + label5.Text.PadLeft(2, '0') + " 特" + label11.Text;
            
            //新增到紀錄中
            listView1.Items.Insert(0, Record);
            listView1.Items[0].SubItems.Add(ARecord);
            listView1.Items[0].SubItems.Add(BRecord);
            listView1.Items[0].SubItems.Add(allscore.ToString());
            listView1.Items[0].SubItems.Add(Convert.ToString(cost + spcost));
        }

        private void button3_Click(object sender, EventArgs e)
        {
            //重新選號
            startapp.Text = "請先選號"; 
            startapp.Enabled = false;
            op.Enabled = true;
            button3.Enabled = false;
            button3.Text = "請先選號";
            nu1.Enabled = true;
            nu2.Enabled = true;
            nu3.Enabled = true;
            nu4.Enabled = true;
            nu5.Enabled = true;
            sp1.Enabled = true;
        }

        private void button1_Click_1(object sender, EventArgs e)
        {
            listView1.Items.Clear();
        }
    }
}