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#2
江潮2014-10-31 10:11
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用Javascript 编写一个网业计数器写到一半就写不下去了 谁会啊？
2 回复
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#3
JonasZhang2014-11-11 09:41
 程序代码：<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www. xmlns="http://www. <title>网页版计算器</title> <script language="VBSCRIPT"> Function Show(m) If (Myform.Expression.Value = "" AND InStr(". + - * / ",m)) Then Myform.Expression.Value = "" ElseIf (InStr("+ - * / . ",Right(Myform.Expression.Value,1)) And InStr("+ - * / ",m)) Then ElseIf (m = ".") Then If (InStr("+ - * / . ",Right(Myform.Expression.Value,1))) Then ElseIf ((InstrRev(Myform.Expression.Value,".") > InstrRev(Myform.Expression.Value,"+")) And (InstrRev(Myform.Expression.Value,".") > InstrRev(Myform.Expression.Value,"-")) And (InstrRev(Myform.Expression.Value,".") > InstrRev(Myform.Expression.Value,"*")) And (InstrRev(Myform.Expression.Value,".") > InstrRev(Myform.Expression.Value,"/"))) Then Else Myform.Expression.Value = Myform.Expression.Value + m End If Else Myform.Expression.Value = Myform.Expression.Value + m END If End Function Function Sqrt() If (Myform.Expression.Value = "") Then Myform.Expression.Value = "" ElseIf (InStr(". + - * / ",Right(Myform.Expression.Value,1))) Then Else Myform.Expression.Value = Eval(Myform.Expression.Value)^2 End If End Function Function Result() If (Myform.Expression.Value = "") Then Myform.Expression.Value = "" ElseIf (InStr(". + - * / ",Right(Myform.Expression.Value,1))) Then Else Myform.Expression.Value = Eval(Myform.Expression.Value) End If End Function Function Clean() Myform.Expression.Value = "" End Function </script> <style type="text/css"> <!-- .style5 {font-size: 18px} --> </style> </head> <body bgcolor="#ffffee" text="#000000"> <form name="myform" method="post" action=""> <div align="center"> <table bgcolor="#C0e0ff" width="214" height="245" border="4"> <tr> <th width="206" scope="col"> <h2> <font color="#0000A0">计算器 </font> </h2> </th> </tr> <tr> <th height="36" scope="col"> <table width="200" border="1"> <tr> <td colspan="4"> <div align="center"> <input name="expression" type="text" value="" size="28" maxlength="28"> </div> </td> </tr> <tr> <td> <div align="center"> <input type="button" id="seven" onclick="Show('7')" value=" 7 "> </div> </td> <td> <div align="center"> <input type="button" value=" 8 " onclick="Show('8')"> </div> </td> <td> <div align="center"> <input type="button" value=" 9 " onclick="Show('9')"> </div> </td> <td> <div align="center"> <input type="button" value=" / " onclick="Show('/')"> </div> </td> </tr> <tr> <td> <div align="center"> <input type="button" value=" 4 " onclick="Show('4')"> </div> </td> <td> <div align="center"> <input type="button" value=" 5 " onclick="Show('5')"> </div> </td> <td> <div align="center"> <input type="button" value=" 6 " onclick="Show('6')"> </div> </td> <td> <div align="center"> <input type="button" value=" * " onclick="Show('*')"> </div> </td> </tr> <tr> <td> <div align="center"> <input type="button" value=" 1 " onclick="Show('1')"> </div> </td> <td> <div align="center"> <input type="button" value=" 2 " onclick="Show('2')"> </div> </td> <td> <div align="center"> <input type="button" value=" 3 " onclick="Show('3')"> </div> </td> <td> <div align="center"> <input type="button" value=" - " onclick="Show('-')"> </div> </td> </tr> <tr> <td> <div align="center"> <input type="button" value=" 0 " onclick="Show('0')"> </div> </td> <td> <div align="center"> <input type="button" value=" . " onclick="Show('.')"> </div> </td> <td> <div align="center"> <input type="button" value="sqr" onclick="sqrt()"> </div> </td> <td> <div align="center"> <input type="button" value=" + " onclick="Show('+')"> </div> </td> </tr> <tr> <td colspan="2"> <div align="center"> <input type="button" value=" AC " onclick="clean()"> </div> </td> <td colspan="2"> <div align="center"> <input type="button" value=" = " onclick="result()"> </div> </td> </tr> </table> </th> </tr> </table> <script type="text/javascript"> var op = window.dialogArguments; alert("你滴参数" + op); </script> |
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