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1编写处理类：

public class ListTest {    public static List
   
     getList(String string){        List
    
      list=null;        if("a".equals(string)){            list=new ArrayList
     
      (Arrays.asList("aa","bb","cc","dd"));            return list;        }else{            list=new ArrayList
      
       (Arrays.asList("AA","BB","CC","DD"));            return list;        }    }}
      
     
    
   

   
       
    
     JSTL 1.1 functions library
        
    
     JSTL functions sys
        
    
     1.1
        
    
     fns
        
    
     http://java.sun.com/jsp/jstl/functionss
        
        
            
     
      获取字典对象列表
             
     
      getList
             
     
      com.smart.shiro.ListTest
             
     
      java.util.List getList(java.lang.String)
         
    
   

<%@ page contentType="text/html;charset=UTF-8" language="java" %><%@ taglib prefix="fnss" uri="/WEB-INF/fns.tld" %><%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %><%@ page isELIgnored="false" %>    
       <%    request.setAttribute("aaa","a");%>${
   fnss:getList(aaa)}

[aa, bb, cc, dd]

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