package com.yiibai.common.action;
 
import java.util.ArrayList;
import java.util.List;

import com.opensymphony.xwork2.ActionSupport;
 
public class IteratorKFCAction extends ActionSupport{
 
	private List<String> comboMeals;
	
	public List<String> getComboMeals() {
		return comboMeals;
	}

	public void setComboMeals(List<String> comboMeals) {
		this.comboMeals = comboMeals;
	}

	public String execute() {
		
		comboMeals = new ArrayList<String>();
		comboMeals.add("Snack Plate");
		comboMeals.add("Dinner Plate");
		comboMeals.add("Colonel Chicken Rice Combo");
		comboMeals.add("Colonel Burger");
		comboMeals.add("O.R. Fillet Burger");
		comboMeals.add("Zinger Burger");
		
		return SUCCESS;
	}
}

2. 迭代器 - Iterator示例

下面的JSP頁面使用iterator標簽來遍歷顯示所有的“肯德基組合餐”名單。在迭代器標簽，它包含了一個“status”的屬性，它用于在IteratorStatus類中聲明名稱。

IteratorStatus類用于獲取有關(guān)迭代的狀態(tài)信息。支持屬性索引，計數(shù)，第一個，最后，奇，偶和等。

<%@ taglib prefix="s" uri="/struts-tags" %>
 
<html>
<head>
</head>
 
<body>
<h1>Struts2 <s:iterator>標簽示例</h1>

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</div></div><h2>Simple Iterator</h2>
<ol>
<s:iterator value="comboMeals">
  <li><s:property /></li>
</s:iterator>
</ol>

<h2>Iterator with IteratorStatus</h2>
<table>
<s:iterator value="comboMeals" status="comboMealsStatus">
  <tr>
  	<s:if test="#comboMealsStatus.even == true">
      <td style="background: #CCCCCC"><s:property/></td>
    </s:if>
    <s:elseif test="#comboMealsStatus.first == true">
      <td><s:property/> (This is first value) </td>
    </s:elseif>
    <s:else>
      <td><s:property/></td>
    </s:else>
  </tr>
</s:iterator>
</table>

</body>
</html>

3. struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
 
<struts>

 	<constant name="struts.devMode" value="true" />
	
	<package name="default" namespace="/" extends="struts-default">
	
		<action name="iteratorKFCAction" 
			class="com.yiibai.common.action.IteratorKFCAction" >
			<result name="success">/pages/iterator.jsp</result>
		</action>
		
	</package>
		
</struts>

4. 示例

http://localhost:8080/struts2iterator/iteratorKFCAction.action

參考

Struts2 <s:Iterator>標簽示例
IteratorStatus文檔

下載代碼 - http://pan.baidu.com/s/1gdx02fp

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Struts2 &lt;s:iterator&gt;迭代器標簽示例

1. 動作

2. 迭代器 - Iterator示例

3. struts.xml

4. 示例

參考

Struts2 <s:iterator>迭代器標簽示例