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struts2 入門實例相關代碼備份

編輯：關於JSP

package action;

import com.opensymphony.xwork2.ActionSupport;

public class FirstAction extends ActionSupport
{
    /**
*
*/
private static final long serialVersionUID = 1L;
private int operand1;
    private int operand2;

    public String execute() throws Exception
    {
        if (getSum() >= 0) // 如果代碼數和是非負整數，跳到positive.jsp頁面
        {
            return "positive";
        }
        else // 如果代碼數和是負整數，跳到negative.jsp頁面
        {
            return "negative";
        }
    }

    public int getOperand1()
    {
        return operand1;
    }

    public void setOperand1(int operand1)
    {
        System.out.println(operand1);
          this.operand1 = operand1;
    }

    public int getOperand2()
    {
        return operand2;
    }
    public void setOperand2(int operand2)
    {
        System.out.println(operand2);
        this.operand2 = operand2;
    }
    public int getSum()
    {
        return operand1 + operand2; // 計算兩個整數的代碼數和
    }
}

<?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="default" namespace="/" extends="struts-default">

          <action name="sum" class="action.FirstAction">
              <result name="positive">/positive.jsp</result>
              <result name="negative">/negative.jsp</result>
          </action>
      </package>

</struts>

<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">

</beans>

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

<display-name></display-name>



<welcome-file-list>
    <welcome-file>sum.jsp</welcome-file>
</welcome-file-list>

<filter>
   <filter-name>struts2</filter-name>
   <filter-class>
    org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
   </filter-class>
</filter>
<filter-mapping>
   <filter-name>struts2</filter-name>
   <url-pattern>/*</url-pattern>
</filter-mapping>

</web-app>

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ taglib prefix="s" uri="/struts-tags" %>

<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
    <base href="<%=basePath%>">

    <title>My JSP 'negative.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">

</head>

<body>
      代數和為負整數<h1><s:property value="sum" /></h1>

    </body>

</html>

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ taglib prefix="s" uri="/struts-tags" %>

<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
    <base href="<%=basePath%>">

    <title>My JSP 'positive.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">

</head>

   <body>
      代數和為非負整數<h1><s:property value="sum" /></h1>
    </body>

</html>

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ taglib prefix="s" uri="/struts-tags"%>

<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
    <base href="<%=basePath%>">

    <title>My JSP 'sum.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">

</head>

<body>
           求代數和
          <br/>
          <s:form action="sum.action" >
              <s:textfield name="operand1" label=" 操作數1"/>
              <s:textfield name="operand2" label=" 操作數2" />
              <s:submit value="sum" />
          </s:form>
      </body>

</html>

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