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ÒòΪjspÓõ½ÁËSiteDataÀ࣬¶øSiteData¼Ì³ÐBasePageÀ࣬
ËùÒÔBasePage¹¹Ô캯Êý
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vµÄÖµmain.UpImages
2.Ö´ÐÐÍê BasePage.java
ÖеÄinitCommon()ºó£¬
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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;
    }
Ö´ÐÐÍênormalhttp = false;Óï¾äºó£¬Ö´ÐÐÖØÔØ·½·¨process()£¬
4.Ìø×ªµ½sitedata.jspÒ³Ãæ
//×¢ÒâÖ´ÐÐÇåÀí·½·¨£¬clearXmlʱ£¬S_METUX
 synchronized("S_METUX")
        {
            xmlMap.clear();
        }


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