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JavaScript 第二帖

2004-12-29 21:11 267 查看

井字棋

<html>

<head>

</head>

<script language="javascript">

var index=-1;

////////////

function play(buttons)

{

    index=-1*index;

    if(index==1)

    {

        buttons.value="#";

        getWiner();

        return false;

    }

    buttons.value="&";

}

/////////////

function getWiner()

{

    if(form1.B1.value!=""&&form1.B1.value==form1.B2.value&&form1.B1.value==form1.B3.value)//1

    {

        alert(form1.B1.value+" is the winer!");

    }

    if(form1.B1.value!=""&&form1.B1.value==form1.B4.value&&form1.B1.value==form1.B7.value)//2

    {

        alert(form1.B1.value+" is the winer!");

    }

    if(form1.B1.value!=""&&form1.B1.value==form1.B5.value&&form1.B1.value==form1.B9.value)//3

    {

        alert(form1.B1.value+" is the winer!");

    }

    if(form1.B2.value!=""&&form1.B2.value==form1.B5.value&&form1.B2.value==form1.B8.value)//4

    {

        alert(form1.B2.value+" is the winer!");

    }

    if(form1.B3.value!=""&&form1.B3.value==form1.B6.value&&form1.B3.value==form1.B9.value)//5

    {

        alert(form1.B3.value+" is the winer!");

    }

    if(form1.B3.value!=""&&form1.B3.value==form1.B5.value&&form1.B3.value==form1.B7.value)//6

    {

        alert(form1.B3.value+" is the winer!");

    }

    if(form1.B4.value!=""&&form1.B4.value==form1.B5.value&&form1.B4.value==form1.B6.value)//7

    {

        alert(form1.B4.value+" is the winer!");

    }

    if(form1.B7.value!=""&&form1.B7.value==form1.B8.value&&form1.B7.value==form1.B9.value)//8

    {

        alert(form1.B7.value+" is the winer!");

    }

    return false;

}

</script>

<body>

   <form method="POST" name="form1" >

         <table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" width="20%" height="89">

       <tr>

         <td width="33%" height="31" align="center">

         <p align="center"><input type="button" name="B1" onClick="play(this)"></td>

         <td width="33%" height="31" align="center">

         <p align="center"><input type="button" name="B2" onClick="play(this)"></td>

         <td width="34%" height="31" align="center">

         <input type="button" name="B3" onClick="play(this)"></td>

       </tr>

       <tr>

         <td width="33%" height="29" align="center">

         <input type="button" name="B4" onClick="play(this)"></td>

         <td width="33%" height="29" align="center">

         <input type="button" name="B5" onClick="play(this)"></td>

         <td width="34%" height="29" align="center">

         <input type="button" name="B6" onClick="play(this)"></td>

       </tr>

       <tr>

         <td width="33%" height="29" align="center">

         <input type="button" name="B7" onClick="play(this)"></td>

         <td width="33%" height="29" align="center">

         <input type="button" name="B8" onClick="play(this)"></td>

         <td width="34%" height="29" align="center">

         <input type="button" name="B9" onClick="play(this)"></td>

       </tr>

     </table>

   </form>

</body>

</html>

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