Struts2 控制标签(十二)分割字符串
1.s:generator标签概述
属性名 | 是否必须 | 类型 | 说明 |
converter | False | org.apache.struts2.util.IteratorGeneratorConverter | 将字符串转换为Object对象的类实例 |
count | False | Integer | 指定最大分割的数量 |
separator | True | String | 指定分隔符 |
val | True | String | 指定要分割的字符串 |
var | False | String | 将结果放到Page上下文中 |
2.新建Action实例
- package com.wl.control.tagsAction;
- import com.opensymphony.xwork2.ActionSupport;
- public class ShowGeneratorList extends ActionSupport {
- private String nameList=”张三,李四,王五”;
- public String getNameList() {
- return nameList;
- }
- public void setNameList(String nameList) {
- this.nameList = nameList;
- }
- @Override
- public String execute() throws Exception {
- return ”showgeneratorlist”;
- }
- }
3.新建JSP文件
- <%@ page language=”java” import=”java.util.*” pageEncoding=”GB18030″%>
- <%@ taglib uri=”/struts-tags” prefix=”s” %>
- <!DOCTYPE HTML PUBLIC ”-//W3C//DTD HTML 4.01 Transitional//EN”>
- <html>
- <body>
- <s:generator separator=”,” val=”nameList”>
- <s:iterator>
- <s:property/>
- <br/>
- </s:iterator>
- </s:generator>
- </body>
- </html>
4.修改struts.xml文件
- <?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>
- <package name=”Struts2.1″ extends=”struts-default”>
- <action name=”showgeneratorlist” class=”com.wl.control.tagsAction.ShowGeneratorList”>
- <result name=”showgeneratorlist”>/controlTags/showgeneratorlist.jsp</result>
- </action>
- </package>
- </struts>
5.运行结果: