<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>遍历器</title>
</head>
<body>
<center>
<!-- 遍历器标签 status为遍历变量 -->
<table border="1px" cellpadding ="0" cellspacing="0">
<s:iterator var="name" value="{'Html','Java','C++','JSP'}" status="st">
<s:if test="#st.odd">
<tr style="background-color:red;">
<td><s:property value="name"/></td>
</tr>
</s:if>
<s:else>
<tr style="background-color:green;">
<td><s:property value="name"/></td>
</tr>
</s:else>
</s:iterator>
</table>
<br/>
<!-- bean标签的使用 需要添加''表明是字符串-->
<s:bean name="Bean.user" var="usr">
<s:param name="name" value="'tom'"/>
<s:param name="age" value="20"/>
</s:bean>
<s:property value="#usr.name"/>
</center>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>输出集合的值</title>
</head>
<body>
<center>
<!-- 使用append标签将bean中得list添加到页面并用iterator遍历出来。存在Action中的数据不需要加#，页面数据需呀添加# -->
<s:append var="myList">
<s:param value="%{list1}"></s:param>
</s:append>
<s:iterator value="%{#myList}">
<s:property/>
</s:iterator>
<br/>
<!-- 控制标签 -->
<s:if test="'A' in {'A','B'}">
In
</s:if>
<s:else>
Not In
</s:else>
<br/>
<!-- generator标签将集合分割，按separator分割。 -->
<!-- count是输出多少个元素 -->
<s:generator count="2" separator="," val="%{'aaa,bbb,ccc,ddd'}">
<s:iterator>
<s:property/>
</s:iterator>
</s:generator>
</center>
</body>
</html>
import java.util.ArrayList;
import com.opensymphony.xwork2.ActionSupport;
public class ListAction extends ActionSupport{
private ArrayList<Integer> list1;
public ArrayList<Integer> getList1() {
return list1;
}
public void setList1(ArrayList<Integer> list1) {
this.list1 = list1;
}
public String execute(){
list1=new ArrayList<Integer>();
list1.add(1);
list1.add(2);
list1.add(3);
return SUCCESS;
}
}