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 public SiteData(HttpServletRequest request,
ServletContext context, HttpServletResponse response,
JspWriter out)
    {
        super(request, context, response, out);
        process();//¡¾×¢Òâ´Ë·½·¨±»×ÓÀàoverrieds ¡¿
    }
3. process();´¦ÀíÍê±Ïºó£¬×ªµ½AjaxSiteData.javaÖÐ
 public AjaxSiteData(HttpServletRequest request,
ServletContext context, HttpServletResponse response,
JspWriter out)
    {
        super(request, context, response, out);
        normalhttp = false;
    }
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4.Ìø×ªµ½sitedata.jspÒ³Ãæ
//×¢ÒâÖ´ÐÐÇåÀí·½·¨£¬clearXmlʱ£¬S_METUX
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        {
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import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
public class HashSetDemo {

public static void main(String[] args){
List tableList = new ArrayList();
tableList.add("hello");
tableList.add("hell0");
tableList.add("world");
......
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