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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 ¡¿
    }
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 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
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        {
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