form1.cs

猜数字游戏

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

namespace SuperMind
{

    public partial class MainBoard : Form
    {   
        //private System.Windows.Forms.Button btnTry;
        //private System.Windows.Forms.TextBox txtPlayerSeq;
        //private System.Windows.Forms.ListView lvwResults;
        private byte[] randomSeq;

        public MainBoard()
        {
            InitializeComponent();
        }

        //Restart the game
        private void RestartGame()
        {
            //generate a new random sequence
            GenerateRandomSequence();
            //clear the results list
            lvwResults.Items.Clear();
            //reset the number of attempts
            lblAttempts.Text="0 attempts";
            //empty the input textbox,and give it the focus
            txtPlayerSeq.Text = "";
            txtPlayerSeq.Focus();
        }

        //Generates a new random sequence for the randomSeq arry
        private void GenerateRandomSequence()
        {
            //reset the current array
            randomSeq = new byte[4];

            Random rndGen=new Random();
            int rndNum;

            //fill the array with new random values
            for(int i=0;i<4;i++)
            {
                //continue getting a random value until we find one that is not already
                //already used in another array slot
                do
                {rndNum=rndGen.Next(10);}
                while(Array.IndexOf(randomSeq,(byte)rndNum)>-1);
                //set the new random value in the i-th array slot
                randomSeq[i]=(byte)rndNum;
            }
        }

        //Checks the validity of the player input.Returns true if it's ok
        private bool CheckInputValidity()
        {
            //check if the input sequence is 4 chars long
            if(txtPlayerSeq.Text.Length<4)
            {
                MessageBox.Show("请输入一个4位数字！",
                    "Invalid sequence",MessageBoxButtons.OK,MessageBoxIcon.Error);
                return false;
            }

            byte[] playerSeq=GetPlayerSequence();
            //check whether there are repeated ditgits
            if(playerSeq[0]==playerSeq[1]||playerSeq[0]==playerSeq[2]||
                playerSeq[0]==playerSeq[3]||playerSeq[1]==playerSeq[2]||
                playerSeq[1]==playerSeq[3]||playerSeq[2]==playerSeq[3])
            {
                MessageBox.Show("不可以使用相同的数字！"+"请改正！",
                    "Invalid sequence",MessageBoxButtons.OK,MessageBoxIcon.Error);
                return false;
            }
            return true;
        }

        //Return an array with the input digits
        private byte[] GetPlayerSequence()
        {
            byte[] playerSeq=new byte[4];
            //extract the single values
            playerSeq[0]=byte.Parse(txtPlayerSeq.Text[0].ToString());
            playerSeq[1]=byte.Parse(txtPlayerSeq.Text[1].ToString());
            playerSeq[2]=byte.Parse(txtPlayerSeq.Text[2].ToString());
            playerSeq[3]=byte.Parse(txtPlayerSeq.Text[3].ToString());
            return playerSeq;
        }

        //process the player input
        private void ProcessPlayerInput()
        {
            //first check the player input,and if it is not valid then return
            //(which in a void returning)
            if(CheckInputValidity()==false)
                return;

            string result="";
            byte[] playerSeq=GetPlayerSequence();

            for(int i=0;i<4;i++)
            {
                //if the i-th value in the player array matches the i-th value
                //of the secret sequence,add a "+" to the result string
                if(playerSeq[i]==randomSeq[i])
                    result +="+";
                //else if the i-th value int player array matches a value
                //in the secret sequence,but in a wrong position,add a "-"
                else if(Array.IndexOf(randomSeq,playerSeq[i])>-1)
                    result +="-";
            }

            //if the result is 4 "+",the input sequence is correct
            if(result=="++++")
            {
                //in that case,display a congratulations message
                MessageBox.Show("猜对了！\n\n...您用了"+(lvwResults.Items.Count+1).ToString()+"次!",
                    "恭喜你！",
                    MessageBoxButtons.OK,MessageBoxIcon.Exclamation);
                //start a new game
                RestartGame();
            }
            else  //otherwise
            {
                //add the player sequence and its result to the list
                AddResultItem(txtPlayerSeq.Text,result);
                //reset the txtPlayerSeq textbox and give it th focus
                txtPlayerSeq.Text="";
                txtPlayerSeq.Focus();
            }
        }

        //Adds the specified input string and result to the lvwResults ListView
        private void AddResultItem(string input,string result)
        {
            //create a new ListViewItem and add it to the lvwResult's Items collection
            ListViewItem li=new ListViewItem(new string[]{input,result});
            lvwResults.Items.Add(li);
            //ensure that the new item is visible
            li.Selected=true;
            li.EnsureVisible();
            //update the number of attempts
            lblAttempts.Text=lvwResults.Items.Count.ToString()+"attempts";
        }

        private void MainBoard_Load(object sender, EventArgs e)
        {
            RestartGame();
        }

        private void btnTry_Click(object sender, EventArgs e)
        {
            ProcessPlayerInput();
        }

        private void txtPlyerSeq_KeyPress(object sender, KeyPressEventArgs e)
        {
            //ignor all keys except digits and the backspace
            if((e.KeyChar>='0'&&e.KeyChar<='9')||
                (e.KeyChar==(char)((int)Keys.Back)))
                e.Handled=false;
            else
                e.Handled=true;
            //if the user pressed Enter,process the input
            if(e.KeyChar==(char)((int)Keys.Enter))
                ProcessPlayerInput();
        }

        private void restartToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //ask the player if he/she wants to restart the game
            DialogResult ret=MessageBox.Show(
                "确定要重新快是吗？",
                "重玩",MessageBoxButtons.YesNo,MessageBoxIcon.Question);
                    
            //if the user chose Yes,restart the game
            if(ret==DialogResult.Yes)
                RestartGame();
        }

        private void closeToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Close();
        }

        private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
        {
            About aboutForm=new About();
            aboutForm.ShowDialog();
        }

        private void btnUpdate_Click(object sender, EventArgs e)
        {
            Update UpdateData = new Update();
            UpdateData.ShowDialog();
        }
    }
}