谁有这段代码?用jsp实现计算器的功能,并且有开根号和平方的运算 - JSP编程论坛

<%--
    Document   : calculator
    Created on : 2008-5-8, 11:14:02
    Author     : liangyu333
--%>

<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>

<html>
  <head>

    <title>计算器</title>

    <SCRIPT language="javascript">
        var s_Result = "";
        var s_Sign = "";
        var b_InputState = true;
        var b_ResultState = true;

        var inputNum;
           function inputNumber(inputNum){
            if (b_InputState) {
                document.calculator.edit.value += inputNum;
            }else{
                document.calculator.edit.value = inputNum;
                b_InputState = true;
            }
            b_ResultState = true;
        }

        var sign;
        function inputSign(sign){
            if(s_Result==""){
                s_Result = document.calculator.edit.value;
                b_InputState = false;
            }else{
                account();
                s_Result = document.calculator.edit.value;
            }
            s_Sign = sign
        }

        function inputResult(){
            account();
            s_Result = "";
        }

        function account(){
            var i_Result;
            if (!b_ResultState) return;
            if(s_Sign=="+"){
                i_Result = parseInt(s_Result)+parseInt(document.calculator.edit.value);
            }
            if(s_Sign=="-"){
                i_Result = parseInt(s_Result)-parseInt(document.calculator.edit.value);
            }
            if(s_Sign=="*"){
                i_Result = parseInt(s_Result)*parseInt(document.calculator.edit.value);
            }
            if(s_Sign=="/"){
                i_Result = parseInt(s_Result)/parseInt(document.calculator.edit.value);
            }
            document.calculator.edit.value = i_Result;
            b_ResultState = false;
            b_InputState = false;
        }

        function inputCe(){
            s_Result = "";
            document.calculator.edit.value = "";
        }

    </SCRIPT>

  </head>

  <body>
  <H2>
  <TABLE border="3" bgcolor="#0000FF">
            <tr><td>
    <FORM id="calculator" name="calculator">
        <TABLE>
            <tr>
                <td><input align="right" type="text" name="edit" size="12" value="" readonly></td>
            </tr>
        </TABLE>
        <TABLE width="110">
            <TR>
                <TD><input type="button" name="1" value=" 1 " onclick="inputNumber('1')" size="10"></TD>
                <TD><input type="button" name="2" value=" 2 " onclick="inputNumber('2')"></TD>
                <TD><input type="button" name="3" value=" 3 " onclick="inputNumber('3')"></TD>
                <TD><input type="button" name="add" value=" + " onclick="inputSign('+')"></TD>
            </TR>
            <TR>
                <TD><input type="button" name="4" value=" 4 " onclick="inputNumber('4')"></TD>
                <TD><input type="button" name="5" value=" 5 " onclick="inputNumber('5')"></TD>
                <TD><input type="button" name="6" value=" 6 " onclick="inputNumber('6')"></TD>
                <TD><input type="button" name="sub" value="  - " onclick="inputSign('-')"></TD>
            </TR>
            <TR>
                <TD><input type="button" name="7" value=" 7 " onclick="inputNumber('7')"></TD>
                <TD><input type="button" name="8" value=" 8 " onclick="inputNumber('8')"></TD>
                <TD><input type="button" name="9" value=" 9 " onclick="inputNumber('9')"></TD>
                <TD><input type="button" name="xi" value="  * " onclick="inputSign('*')"></TD>
            </TR>
            <TR>
                <TD><input type="button" name="0" value=" 0 " onclick="inputNumber('0')"></TD>
                <TD><input type="button" name="ce" value="ce" onclick="inputCe()" size="10"></TD>
                <TD><input type="button" name="inputresult" value=" = " onclick="inputResult()" size="10"></TD>
                <TD><input type="button" name="qu" value="  / " onclick="inputSign('/')"></TD>
            </TR>
        </TABLE>

    </FORM>
            </td></tr>
        </TABLE>

        </H2>

  </body>
</html>

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