📄 add.jsp
字号:
<%@ page contentType="text/html;charset=GBK"%>
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>
<html>
<script type="text/javascript">
function doSubmit(operate){
document.forms[0].elements["method"].value=operate;
document.forms[0].submit();
}
</script>
<head>
<title>Calculator</title>
</head>
<body bgcolor="#ffffc0">
<h1>
Calculator
</h1>
<form action="calc.do" id="calcForm" method="post">
<table>
<tbody>
<tr>
<td>
first number:
</td>
<td>
<input type="text" name="num1" />
</td>
</tr>
<tr>
<td>
second number:
</td>
<td>
<input type="text" name="num2" />
<html:errors property="error2"/>
</td>
</tr>
<tr>
<td>
<input type="hidden" name="method" />
<button onclick="doSubmit('doAdd');">
add
</button>
<button onclick="doSubmit('doSubtract');">
subtract
</button>
<button onclick="doSubmit('doMultiply');">
multiply
</button>
<button onclick="doSubmit('doDivide');">
divide
</button>
</td>
</tr>
</tbody>
</table>
</form>
</body>
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