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  • ognl的应用1

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    <%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
    <%@taglib uri="/struts-tags" prefix="s" %>
    <%
    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 'index.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">
        <!--
        <link rel="stylesheet" type="text/css" href="styles.css">
        -->
      </head>
        
      <body>
       登录成功!<br/>
       <s:debug></s:debug>
      <h1>用户名是: <s:property value="user.username"/></h1>
      <h1>111是:<s:property value="#request.a11"/></h1>
      <h1>222是:<s:property value="#session.b11"/></h1>
       <h1>访问Action中的List:<s:property value="userList[1].password"/></h1>
       <h1>访问Action中的Set:<s:property value="userSet"/></h1>
       <h1>访问Action中的Map:<s:property value="testMap['user1']"/></h1>
       <h1>
       <s:iterator value="userList" id="a">
         
            <s:property value="#a.username"/><br/><s:property  value="#a.password"/> <br/>
       </s:iterator><BR/></h1>
         
       <h1>利用投影技术访问Action中的List:<s:property value="userList.{score}"/></h1>
       <h1>利用选择技术访问Action中的List:<s:property value="userList.{^#this.score>=80}.{username}"/></h1>
       <h1>取List的大小:<s:property value="userList.size"/></h1>
      </body>
    </html>





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    • 原文地址:https://www.cnblogs.com/babyhhcsy/p/2842916.html
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