//ch11_1_Input.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head>
<title>提交两数据页面</title>
</head>
<body>
<form action="add" method="post">
请输入两个整数：<br><br>
加数：<input name="x"/><br><br>
被加数：<input name="y"/><br><br>
<input type="submit" value="求和">
</form>
</body>
</html>
//ch11_1_Positive.jsp
<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>显示页面——代数和为非负整数</title>
</head>
<body>
代数和为非负整数：<s:property value="sum"/>
</body>
</html>
//ch11_1_Negative.jsp
<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>显示页面——代数和为负整数</title>
</head>
<body>
代数和为负整数：<s:property value="sum"/>
</body>
</html>
//Ch11_1_Action.java
package Action;
public class Ch11_1_Action {
private int x;
private int y;
private int sum;
public int getX() {
return x;
}
public int getY() {
return y;
}
public void setY(int y) {
this.y = y;
}
public int getSum() {
return sum;
}
public void setX(int x) {
this.x = x;
}
public String execute()
{
sum=x+y;
if(sum>=0)
return "+";
else
return "-";
}
}
<?xml version="1.0" encoding="UTF-8">
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration2.3//EN"
"http://struts.apche.org/dtds/struts-2.3.dtd">
<struts>
<package name="default"namespase="/" exetends="struts-default">
<action name="add" calss="Action.Ch11_1_Action">
<result name="+">/ch11_1_Positive.jsp</result>
<result name="-">/ch11_1_Negative.jsp</result>
</struts>