本文实例讲述了C#实现简单的井字游戏。分享给大家供大家参考。具体如下：
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
namespace TicTacToe
{
///
/// This is a basic one player versus computer game of TicTacToe
///
public partial class frmMain
{
string playerTurn = "0";
string playerSymbol = "X";
string computerSymbol = "O";
int playCounter = 0;
[STAThread]
public static void Main(string[] args)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new frmMain());
}
public frmMain()
{
InitializeComponent();
}
void Label1Click(object sender, System.EventArgs e)
{
bool playerDone = false;
string labelText = label1.Text;
if (playerClick(labelText) == true)
{
label1.Text = playerSymbol;
playerDone = true;
}
else
{
return ;
}
if (checkWin() == true)
{
resetGame();
}
else
{
computerGo();
if (checkWin() == true)
{
resetGame();
}
}
}
void Label2Click(object sender, System.EventArgs e)
{
bool playerDone = false;
string labelText = label2.Text;
if (playerClick(labelText) == true)
{
label2.Text = playerSymbol;
playerDone = true;
}
else
{
return ;
}
if (checkWin() == true)
{
resetGame();
}
else
{
computerGo();
if (checkWin() == true)
{
resetGame();
}
}
}
void Label3Click(object sender, System.EventArgs e)
{
bool playerDone = false;
string labelText = label3.Text;
if (playerClick(labelText) == true)
{
label3.Text = playerSymbol;
playerDone = true;
}
else
{
return ;
}
if (checkWin() == true)
{
resetGame();
}
else
{
computerGo();
if (checkWin() == true)
{
resetGame();
}
}
}
void Label4Click(object sender, System.EventArgs e)
{
bool playerDone = false;
string labelText = label4.Text;
if (playerClick(labelText) == true)
{
label4.Text = playerSymbol;
playerDone = true;
}
else
{
return ;
}
if (checkWin() == true)
{
resetGame();
}
else
{
computerGo();
if (checkWin() == true)
{
resetGame();
}
}
}
void Label5Click(object sender, System.EventArgs e)
{
bool playerDone = false;
string labelText = label5.Text;
if (playerClick(labelText) == true)
{
label5.Text = playerSymbol;
playerDone = true;
}
else
{
return ;
}
if (checkWin() == true)
{
resetGame();
}
else
{
computerGo();
if (checkWin() == true)
{
resetGame();
}
}
}
void Label6Click(object sender, System.EventArgs e)
{
bool playerDone = false;
string labelText = label6.Text;
if (playerClick(labelText) == true)
{
label6.Text = playerSymbol;
playerDone = true;
}
else
{
return ;
}
if (checkWin() == true)
{
resetGame();
}
else
{
computerGo();
if (checkWin() == true)
{
resetGame();
}
}
}
void Label7Click(object sender, System.EventArgs e)
{
bool playerDone = false;
string labelText = label7.Text;
if (playerClick(labelText) == true)
{
label7.Text = playerSymbol;
playerDone = true;
}
else
{
return ;
}
if (checkWin() == true)
{
resetGame();
}
else
{
computerGo();
if (checkWin() == true)
{
resetGame();
}
}
}
void Label8Click(object sender, System.EventArgs e)
{
bool playerDone = false;
string labelText = label8.Text;
if (playerClick(labelText) == true)
{
label8.Text = playerSymbol;
playerDone = true;
}
else
{
return ;
}
if (checkWin() == true)
{
resetGame();
}
else
{
computerGo();
if (checkWin() == true)
{
resetGame();
}
}
}
void Label9Click(object sender, System.EventArgs e)
{
bool playerDone = false;
string labelText = label9.Text;
if (playerClick(labelText) == true)
{
label9.Text = playerSymbol;
playerDone = true;
}
else
{
return ;
}
if (checkWin() == true)
{
resetGame();
}
else
{
computerGo();
if (checkWin() == true)
{
resetGame();
}
}
}
bool playerClick(string labelText)
{
if (playerTurn == "1" && labelText == "" && playCounter < 4)
{
playerTurn = "2";
lblTurn.Text = "Player 2 Turn";
playCounter++;
return true;
} else if (playCounter == 4)
{
toolStripTotal.Text = ((Convert.ToInt32(toolStripTotal.Text)) + 1).ToString();
toolStripDraw.Text = ((Convert.ToInt32(toolStripDraw.Text)) + 1).ToString();
MessageBox.Show("Draw","Game Over", MessageBoxButtons.OK, MessageBoxIcon.Stop);
resetGame();
}
return false;
}
bool checkWin()
{
bool win = false;
if (label1.Text == label2.Text && label2.Text == label3.Text && label1.Text != "")
{
win = true;
}
else if (label4.Text == label5.Text && label5.Text == label6.Text && label4.Text != "")
{
win = true;
}
else if (label7.Text == label8.Text && label8.Text == label9.Text && label7.Text != "")
{
win = true;
}
else if (label1.Text == label4.Text && label4.Text == label7.Text && label1.Text != "")
{
win = true;
}
else if (label2.Text == label5.Text && label5.Text == label8.Text && label2.Text != "")
{
win = true;
}
else if (label3.Text == label6.Text && label6.Text == label9.Text && label3.Text != "")
{
win = true;
}
else if (label1.Text == label5.Text && label5.Text == label9.Text && label1.Text != "")
{
win = true;
}
else if (label3.Text == label5.Text && label5.Text == label7.Text && label3.Text != "")
{
win = true;
}
if (win == true)
{
toolStripTotal.Text = ((Convert.ToInt32(toolStripTotal.Text)) + 1).ToString();
if (playerTurn == "1")
{
toolStripLost.Text = ((Convert.ToInt32(toolStripLost.Text)) + 1).ToString();
MessageBox.Show("Player 2 has won!","Game Over", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return win = true;
}
else
{
toolStripWon.Text = ((Convert.ToInt32(toolStripWon.Text)) + 1).ToString();
MessageBox.Show("Player 1 has won!","Game Over", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return win = true;
}
}
return win;
}
void resetGame()
{
label1.Text = "";
label2.Text = "";
label3.Text = "";
label4.Text = "";
label5.Text = "";
label6.Text = "";
label7.Text = "";
label8.Text = "";
label9.Text = "";
playerTurn = "1";
playCounter = 0;
lblTurn.Text = "Player 1 Turn";
}
void computerGo()
{
bool computerDone = false;
computerDone = computerGoForWin();
if (computerDone == false)
{
computerDone = computerGoForBlock();
if (computerDone == false)
{
computerDone = computerGoRandom();
}
}
playerTurn = "1";
lblTurn.Text = "Player 1 Turn";
}
bool computerGoForWin()
{
bool computerDone = false;
if (label1.Text == computerSymbol && label2.Text == computerSymbol && label3.Text == "")
{
label3.Text = computerSymbol;
return computerDone = true;
}
else if (label1.Text == computerSymbol && label3.Text == computerSymbol && label2.Text == "")
{
label2.Text = computerSymbol;
return computerDone = true;
}
else if (label2.Text == computerSymbol && label3.Text == computerSymbol && label1.Text == "")
{
label1.Text = computerSymbol;
return computerDone = true;
}
else if (label4.Text == computerSymbol && label5.Text == computerSymbol && label6.Text == "")
{
label6.Text = computerSymbol;
return computerDone = true;
}
else if (label4.Text == computerSymbol && label6.Text == computerSymbol && label5.Text == "")
{
label5.Text = computerSymbol;
return computerDone = true;
}
else if (label5.Text == computerSymbol && label6.Text == computerSymbol && label4.Text == "")
{
label4.Text = computerSymbol;
return computerDone = true;
}
else if (label7.Text == computerSymbol && label8.Text == computerSymbol && label9.Text == "")
{
label9.Text = computerSymbol;
return computerDone = true;
}
else if (label7.Text == computerSymbol && label9.Text == computerSymbol && label8.Text == "")
{
label8.Text = computerSymbol;
return computerDone = true;
}
else if (label8.Text == computerSymbol && label9.Text == computerSymbol && label7.Text == "")
{
label7.Text = computerSymbol;
return computerDone = true;
}
else if (label1.Text == computerSymbol && label4.Text == computerSymbol && label7.Text == "")
{
label7.Text = computerSymbol;
return computerDone = true;
}
else if (label1.Text == computerSymbol && label7.Text == computerSymbol && label4.Text == "")
{
label4.Text = computerSymbol;
return computerDone = true;
}
else if (label4.Text == computerSymbol && label7.Text == computerSymbol && label1.Text == "")
{
label1.Text = computerSymbol;
return computerDone = true;
}
else if (label2.Text == computerSymbol && label5.Text == computerSymbol && label8.Text == "")
{
label8.Text = computerSymbol;
return computerDone = true;
}
else if (label2.Text == computerSymbol && label8.Text == computerSymbol && label5.Text == "")
{
label5.Text = computerSymbol;
return computerDone = true;
}
else if (label5.Text == computerSymbol && label8.Text == computerSymbol && label2.Text == "")
{
label2.Text = computerSymbol;
return computerDone = true;
}
else if (label3.Text == computerSymbol && label6.Text == computerSymbol && label9.Text == "")
{
label9.Text = computerSymbol;
return computerDone = true;
}
else if (label3.Text == computerSymbol && label9.Text == computerSymbol && label6.Text == "")
{
label6.Text = computerSymbol;
return computerDone = true;
}
else if (label6.Text == computerSymbol && label9.Text == computerSymbol && label3.Text == "")
{
label3.Text = computerSymbol;
return computerDone = true;
}
else if (label1.Text == computerSymbol && label5.Text == computerSymbol && label9.Text == "")
{
label9.Text = computerSymbol;
return computerDone = true;
}
else if (label5.Text == computerSymbol && label9.Text == computerSymbol && label1.Text == "")
{
label1.Text = computerSymbol;
return computerDone = true;
}
else if (label1.Text == computerSymbol && label9.Text == computerSymbol && label5.Text == "")
{
label5.Text = computerSymbol;
return computerDone = true;
}
else if (label3.Text == computerSymbol && label5.Text == computerSymbol && label7.Text == "")
{
label7.Text = computerSymbol;
return computerDone = true;
}
else if (label3.Text == computerSymbol && label7.Text == computerSymbol && label5.Text == "")
{
label5.Text = computerSymbol;
return computerDone = true;
}
else if (label5.Text == computerSymbol && label7.Text == computerSymbol && label3.Text == "")
{
label3.Text = computerSymbol;
return computerDone = true;
}
return computerDone = false;
}
bool computerGoForBlock()
{
bool computerDone = false;
if (label1.Text == playerSymbol && label2.Text == playerSymbol && label3.Text == "")
{
label3.Text = computerSymbol;
return computerDone = true;
}
else if (label1.Text == playerSymbol && label3.Text == playerSymbol && label2.Text == "")
{
label2.Text = computerSymbol;
return computerDone = true;
}
else if (label2.Text == playerSymbol && label3.Text == playerSymbol && label1.Text == "")
{
label1.Text = computerSymbol;
return computerDone = true;
}
else if (label4.Text == playerSymbol && label5.Text == playerSymbol && label6.Text == "")
{
label6.Text = computerSymbol;
return computerDone = true;
}
else if (label4.Text == playerSymbol && label6.Text == playerSymbol && label5.Text == "")
{
label5.Text = computerSymbol;
return computerDone = true;
}
else if (label5.Text == playerSymbol && label6.Text == playerSymbol && label4.Text == "")
{
label4.Text = computerSymbol;
return computerDone = true;
}
else if (label7.Text == playerSymbol && label8.Text == playerSymbol && label9.Text == "")
{
label9.Text = computerSymbol;
return computerDone = true;
}
else if (label7.Text == playerSymbol && label9.Text == playerSymbol && label8.Text == "")
{
label8.Text = computerSymbol;
return computerDone = true;
}
else if (label8.Text == playerSymbol && label9.Text == playerSymbol && label7.Text == "")
{
label7.Text = computerSymbol;
return computerDone = true;
}
else if (label1.Text == playerSymbol && label4.Text == playerSymbol && label7.Text == "")
{
label7.Text = computerSymbol;
return computerDone = true;
}
else if (label1.Text == playerSymbol && label7.Text == playerSymbol && label4.Text == "")
{
label4.Text = computerSymbol;
return computerDone = true;
}
else if (label4.Text == playerSymbol && label7.Text == playerSymbol && label1.Text == "")
{
label1.Text = computerSymbol;
return computerDone = true;
}
else if (label2.Text == playerSymbol && label5.Text == playerSymbol && label8.Text == "")
{
label8.Text = computerSymbol;
return computerDone = true;
}
else if (label2.Text == playerSymbol && label8.Text == playerSymbol && label5.Text == "")
{
label5.Text = computerSymbol;
return computerDone = true;
}
else if (label5.Text == playerSymbol && label8.Text == playerSymbol && label2.Text == "")
{
label2.Text = computerSymbol;
return computerDone = true;
}
else if (label3.Text == playerSymbol && label6.Text == playerSymbol && label9.Text == "")
{
label9.Text = computerSymbol;
return computerDone = true;
}
else if (label3.Text == playerSymbol && label9.Text == playerSymbol && label6.Text == "")
{
label6.Text = computerSymbol;
return computerDone = true;
}
else if (label6.Text == playerSymbol && label9.Text == playerSymbol && label3.Text == "")
{
label3.Text = computerSymbol;
return computerDone = true;
}
else if (label1.Text == playerSymbol && label5.Text == playerSymbol && label9.Text == "")
{
label9.Text = computerSymbol;
return computerDone = true;
}
else if (label5.Text == playerSymbol && label9.Text == playerSymbol && label1.Text == "")
{
label1.Text = computerSymbol;
return computerDone = true;
}
else if (label1.Text == playerSymbol && label9.Text == playerSymbol && label5.Text == "")
{
label5.Text = computerSymbol;
return computerDone = true;
}
else if (label3.Text == playerSymbol && label5.Text == playerSymbol && label7.Text == "")
{
label7.Text = computerSymbol;
return computerDone = true;
}
else if (label3.Text == playerSymbol && label7.Text == playerSymbol && label5.Text == "")
{
label5.Text = computerSymbol;
return computerDone = true;
}
else if (label5.Text == playerSymbol && label7.Text == playerSymbol && label3.Text == "")
{
label3.Text = computerSymbol;
return computerDone = true;
}
return computerDone = false;
}
bool computerGoRandom()
{
bool computerDone = false;
Random random = new Random();
do
{
int position = random.Next(1,10);
switch(position)
{
case 1:
if (label1.Text == "")
{
label1.Text = computerSymbol;
return computerDone = true;
}
break;
case 2:
if (label2.Text == "")
{
label2.Text = computerSymbol;
return computerDone = true;
}
break;
case 3:
if (label3.Text == "")
{
label3.Text = computerSymbol;
return computerDone = true;
}
break;
case 4:
if (label4.Text == "")
{
label4.Text = computerSymbol;
return computerDone = true;
}
break;
case 5:
if (label5.Text == "")
{
label5.Text = computerSymbol;
return computerDone = true;
}
break;
case 6:
if (label6.Text == "")
{
label6.Text = computerSymbol;
return computerDone = true;
}
break;
case 7:
if (label7.Text == "")
{
label7.Text = computerSymbol;
return computerDone = true;
}
break;
case 8:
if (label8.Text == "")
{
label8.Text = computerSymbol;
return computerDone = true;
}
break;
case 9:
if (label9.Text == "")
{
label9.Text = computerSymbol;
return computerDone = true;
}
break;
}
}while (computerDone == false);
return computerDone = false;
}
void BtnExitClick(object sender, System.EventArgs e)
{
if (MessageBox.Show("Are you sure you want to exit?","Exit?",MessageBoxButtons.YesNo,MessageBoxIcon.Question) == DialogResult.Yes)
{
Application.Exit();
}
}
void ExitToolStripMenuItemClick(object sender, System.EventArgs e)
{
BtnExitClick(sender,e);
}
void BtnNewGameClick(object sender, System.EventArgs e)
{
if (MessageBox.Show("Are you sure you want to restart?","Restart?",MessageBoxButtons.YesNo,MessageBoxIcon.Question) == DialogResult.Yes)
{
toolStripTotal.Text = ((Convert.ToInt32(toolStripTotal.Text)) + 1).ToString();
toolStripDraw.Text = ((Convert.ToInt32(toolStripDraw.Text)) + 1).ToString();
resetGame();
}
}
void NewGameToolStripMenuItemClick(object sender, System.EventArgs e)
{
BtnNewGameClick(sender, e);
}
void aboutToolStripMenuItemClick(object sender, System.EventArgs e)
{
frmabout about = new frmabout();
about.ShowDialog();
}
}
}
希望本文所述对大家的C#程序设计有所帮助。
