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import java.util.SortedMap;import java.util.TreeMap;import com.opensymphony.xwork2.ActionSupport;public class RadioTestAction extends ActionSupport {    private int userType;    private int incomeLevel;    private static SortedMap
   
     incomeLevels;    static {        incomeLevels = new TreeMap
    
     ();        incomeLevels.put(1, "0 - $10,000");        incomeLevels.put(2, "$10,001 - $30,000");        incomeLevels.put(3, "$30,001 - $50,000");        incomeLevels.put(4, "Over $50,000");    }    public int getIncomeLevel() {        return incomeLevel;    }    public void setIncomeLevel(int incomeLevel) {        this.incomeLevel = incomeLevel;    }    public int getUserType() {        return userType;    }    public void setUserType(int userType) {        this.userType = userType;    }        public SortedMap
     
       getIncomeLevels() {        return incomeLevels;    }}
     
    
   

 radio.jsp页面：

<%@ taglib prefix="s" uri="/struts-tags" %>
   
	
    
Membership Form
	
    		
     		
         	
     	
    
   

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