软件开发培训班 >> 编程开发 >> JavaScript

JavaScript 井字棋人工智能实现代码

<SCRIPT> 
/* 
Code Written by Cory Fogliani (Email: cory@ijustdontcare.com) 
Testers: Cory Fogliani, Chris Gordon 
Featured on JavaScript Kit (http://javascriptkit.com) 
For this and over 400+ free scripts, visit http://javascriptkit.com 
*/

//if IE4/NS6, apply style 
if (document.all||document.getElementById){ 
document.write(<style>.tictac{) 
document.write(width:50px;height:50px;) 
document.write(}</style>) 
}

var sqr1 
var sqr2 
var sqr3 
var sqr4 
var sqr5 
var sqr6 
var sqr7 
var sqr8 
var sqr9 
var sqr1T = 0 
var sqr2T = 0 
var sqr3T = 0 
var sqr4T = 0 
var sqr5T = 0 
var sqr6T = 0 
var sqr7T = 0 
var sqr8T = 0 
var sqr9T = 0 
var moveCount = 0 
var turn = 0 
var mode = 1

function vari() 
{ 
sqr1 = document.tic.sqr1.value 
sqr2 = document.tic.sqr2.value 
sqr3 = document.tic.sqr3.value 
sqr4 = document.tic.sqr4.value 
sqr5 = document.tic.sqr5.value 
sqr6 = document.tic.sqr6.value 
sqr7 = document.tic.sqr7.value 
sqr8 = document.tic.sqr8.value 
sqr9 = document.tic.sqr9.value 
} 
function check() 
{ 
if(sqr1 == " X " && sqr2 == " X " && sqr3 == " X ") 
{ 
alert("You Win!") 
reset() 
} 
else if(sqr4 == " X " && sqr5 == " X " && sqr6 == " X ") 
{ 
alert("You Win!") 
reset() 
} 
else if(sqr7 == " X " && sqr8 == " X " && sqr9 == " X ") 
{ 
alert("You Win!") 
reset() 
} 
else if(sqr1 == " X " && sqr5 == " X " && sqr9 == " X ") 
{ 
alert("You Win!") 
reset() 
} 
else if(sqr1 == " X " && sqr4 == " X " && sqr7 == " X ") 
{ 
alert("You Win!") 
reset() 
} 
else if(sqr2 == " X " && sqr5 == " X " && sqr8 == " X ") 
{ 
alert("You Win!") 
reset() 
} 
else if(sqr3 == " X " && sqr6 == " X " && sqr9 == " X ") 
{ 
alert("You Win!") 
reset() 
} 
else if(sqr1 == " X " && sqr5 == " X " && sqr9 == " X ") 
{ 
alert("You Win!") 
reset() 
} 
else if(sqr3 == " X " && sqr5 == " X " && sqr7 == " X ") 
{ 
alert("You Win!") 
reset() 
} 
else 
{ 
winCheck() 
check2() 
drawCheck() 
} 
}

function check2() 
{ 
vari() 
drawCheck() 
if(sqr1 == " O " && sqr2 == " O " && sqr3 == " O ") 
{ 
alert("You Lose!") 
reset() 
} 
else if(sqr4 == " O " && sqr5 == " O " && sqr6 == " O ") 
{ 
alert("You Lose!") 
reset() 
} 
else if(sqr7 == " O " && sqr8 == " O " && sqr9 == " O ") 
{ 
alert("You Lose!") 
reset() 
} 
else if(sqr1 == " O " && sqr5 == " O " && sqr9 == " O ") 
{ 
alert("You Lose!") 
reset() 
} 
else if(sqr1 == " O " && sqr4 == " O " && sqr7 == " O ") 
{ 
alert("You Lose!") 
reset() 
} 
else if(sqr2 == " O " && sqr5 == " O " && sqr8 == " O ") 
{ 
alert("You Lose!") 
reset() 
} 
else if(sqr3 == " O " && sqr6 == " O " && sqr9 == " O ") 
{ 
alert("You Lose!") 
reset() 
} 
else if(sqr1 == " O " && sqr5 == " O " && sqr9 == " O ") 
{ 
alert("You Lose!") 
reset() 
} 
else if(sqr3 == " O " && sqr5 == " O " && sqr7 == " O ") 
{ 
alert("You Lose!") 
reset() 
} 
}

function player1Check() 
{ 
if(sqr1 == " X " && sqr2 == " X " && sqr3 == " X ") 
{ 
alert("Player 1 wins!") 
reset() 
} 
else if(sqr4 == " X " && sqr5 == " X " && sqr6 == " X ") 
{ 
alert("Player 1 wins!") 
reset() 
} 
else if(sqr7 == " X " && sqr8 == " X " && sqr9 == " X ") 
{ 
alert("Player 1 wins!") 
reset() 
} 
else if(sqr1 == " X " && sqr5 == " X " && sqr9 == " X ") 
{ 
alert("Player 1 wins!") 
reset() 
} 
else if(sqr1 == " X " && sqr4 == " X " && sqr7 == " X ") 
{ 
alert("Player 1 wins!") 
reset() 
} 
else if(sqr2 == " X " && sqr5 == " X " && sqr8 == " X ") 
{ 
alert("Player 1 wins!") 
reset() 
} 
else if(sqr3 == " X " && sqr6 == " X " && sqr9 == " X ") 
{ 
alert("Player 1 wins!") 
reset() 
} 
else if(sqr1 == " X " && sqr5 == " X " && sqr9 == " X ") 
{ 
alert("Player 1 wins!") 
reset() 
} 
else if(sqr3 == " X " && sqr5 == " X " && sqr7 == " X ") 
{ 
alert("Player 1 wins!") 
reset() 
} 
else 
{ 
player2Check() 
drawCheck() 
} 
}

function player2Check() 
{ 
vari() 
drawCheck() 
if(sqr1 == " O " && sqr2 == " O " && sqr3 == " O ") 
{ 
alert("Player 2 wins!") 
reset() 
} 
else if(sqr4 == " O " && sqr5 == " O " && sqr6 == " O ") 
{ 
alert("Player 2 wins!") 
reset() 
} 
else if(sqr7 == " O " && sqr8 == " O " && sqr9 == " O ") 
{ 
alert("Player 2 wins!") 
reset() 
} 
else if(sqr1 == " O " && sqr5 == " O " && sqr9 == " O ") 
{ 
alert("Player 2 wins!") 
reset() 
} 
else if(sqr1 == " O " && sqr4 == " O " && sqr7 == " O ") 
{ 
alert("Player 2 wins!") 
reset() 
} 
else if(sqr2 == " O " && sqr5 == " O " && sqr8 == " O ") 
{ 
alert("Player 2 wins!") 
reset() 
} 
else if(sqr3 == " O " && sqr6 == " O " && sqr9 == " O ") 
{ 
alert("Player 2 wins!") 
reset() 
} 
else if(sqr1 == " O " && sqr5 == " O " && sqr9 == " O ") 
{ 
alert("Player 2 wins!") 
reset() 
} 
else if(sqr3 == " O " && sqr5 == " O " && sqr7 == " O ") 
{ 
alert("Player 2 wins!") 
reset() 
} 
}

function drawCheck() 
{ 
vari() 
moveCount = sqr1T + sqr2T + sqr3T + sqr4T + sqr5T + sqr6T + sqr7T + sqr8T + sqr9T 
if(moveCount == 9) 
{ 
reset() 
alert("Draw") 
} 
}

function AI() 
{ 
vari() 
if(document.tic.sqr5.value == " " && turn == 1) 
{ 
document.tic.sqr5.value = " O " 
turn = 0 
sqr5T = 1 
} 
else if(document.tic.sqr1.value == " " && turn == 1) 
{ 
document.tic.sqr1.value = " O " 
turn = 0 
sqr1T = 1 
} 
else if(document.tic.sqr9.value == " " && turn == 1) 
{ 
document.tic.sqr9.value = " O " 
turn = 0 
sqr9T = 1 
} 
else if(document.tic.sqr6.value == " " && turn == 1) 
{ 
document.tic.sqr6.value = " O " 
turn = 0 
sqr6T = 1 
} 
else if(document.tic.sqr2.value == " " && turn == 1) 
{ 
document.tic.sqr2.value = " O " 
turn = 0 
sqr2T = 1 
} 
else if(document.tic.sqr8.value == " " && turn == 1) 
{ 
document.tic.sqr8.value = " O " 
turn = 0 
sqr8T = 1 
} 
else if(document.tic.sqr3.value == " " && turn == 1) 
{ 
document.tic.sqr3.value = " O " 
turn = 0 
sqr3T = 1 
} 
else if(document.tic.sqr7.value == " " && turn == 1) 
{ 
document.tic.sqr7.value = " O " 
turn = 0 
sqr7T = 1 
} 
else if(document.tic.sqr4.value == " " && turn == 1) 
{ 
document.tic.sqr4.value = " O " 
turn = 0 
sqr4T = 1 
} 
check2() 
}

function reset() 
{ 
document.tic.sqr1.value = " " 
document.tic.sqr2.value = " " 
document.tic.sqr3.value = " " 
document.tic.sqr4.value = " " 
document.tic.sqr5.value = " " 
document.tic.sqr6.value = " " 
document.tic.sqr7.value = " " 
document.tic.sqr8.value = " " 
document.tic.sqr9.value = " " 
sqr1T = 0 
sqr2T = 0 
sqr3T = 0 
sqr4T = 0 
sqr5T = 0 
sqr6T = 0 
sqr7T = 0 
sqr8T = 0 
sqr9T = 0 
vari() 
turn = 0 
moveCount = 0 
}

function resetter() 
{ 
reset() 
} 
</SCRIPT>

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