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<%@ page language="java" import="java.util.*" pageEncoding="GBK" %>
<%@ taglib uri="/struts-tags" prefix="s" %>
<html>
<head>
<title>输入操作数</title>
</head>
<body>
求代数和
<br/>
<s:form action="mystruts/sum.action" >
<s:textfield name="operand1" label=" 操作数1"/>
<s:textfield name="operand2" label=" 操作数2" />
<s:submit value="代数和" />
</s:form>
</body>
</html>
我加了的 可是还是不对<%@ taglib uri="/struts-tags" prefix="s" %>
<%@ taglib uri="/struts-tags" prefix="s" %>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="struts2" namespace="/mystruts"
extends="struts-default">
<action name="sum" class="action.FirstAction">
<result name="positive">/positive.jsp</result>
<result name="negative">/negative.jsp</result>
</action>
</package>
</struts>
这是struts.xml的代码