/*
*自定义了一个菜单标签
*/
public class MenuTag extends SimpleTagSupport {
    private PageContext pageContext;
    private String contextPath;
    private String charset = "UTF-8";
    private String imgPath = "manage/scripts/customMenu/menu/";
    private StringBuffer html = new StringBuffer("");
    private String shieldMenu = ReadConfigFileUtil.getValue("shieldMenu");// 要的屏蔽菜单名

    private String sort;

    @SuppressWarnings("unchecked")
    @Override
    public void doTag() throws JspException, IOException {
        // 获取用户权限
        HttpSession session = pageContext.getSession();
        if (session.getAttribute("leftMenuHtml") == null || !String.valueOf(session.getAttribute("leftMenuSort")).equals(sort)) {
            contextPath = pageContext.getServletContext().getContextPath() + "/";
            List<Resource> resources = (List<Resource>) session.getAttribute("userTopLevelMenuList");
            List<Resource> subResource = new ArrayList<Resource>();
            for (Resource ritem : resources) {
                if (ritem.getSort().equals(Integer.valueOf(sort))) {
                    subResource.addAll(ritem.getChildrens());
                }
            }
            html.append("<ul id=\"ulParent\">");
            for (Resource r : subResource) {
                if (!shieldMenu.contains(";" + r.getName() + ";")) {
                    html.append("<li class='liParent'><div class='divParent'>");
                    html.append("<img class='imgIcon' src='" + contextPath + imgPath + r.getIcon() + "'/>");
                    html.append("<img class='upOrDownHover' src='" + contextPath + imgPath + "downHover.png'/>");
                    html.append("<label>" + r.getName() + "</label></div>");
                    if (r.getChildrens() != null && r.getChildrens().size() > 0) {
                        ArrayList<Resource> resourcess = new ArrayList<Resource>(r.getChildrens());
                        CommonUtil.getSortResource(resourcess);
                        getChildrenMenu(resourcess, 2, "menu1Name=" + URLEncoder.encode(r.getName(), charset));
                    }
                    html.append("</li>");
                }
            }
            html.append("</ul>");
            session.setAttribute("leftMenuHtml", html.toString());
            session.setAttribute("leftMenuSort", sort);
        }
        pageContext.getOut().print((String) session.getAttribute("leftMenuHtml"));
    }

    /**
     * 组合下级菜单
     * 
     * @param set
     * @return
     * @throws IOException
     */
    private void getChildrenMenu(List<Resource> resources, int level, String parentName) throws IOException {
        Iterator<Resource> it = resources.iterator();
        while (it.hasNext()) {
            Resource r = it.next();
            if (!SystemStatics.MARK_OPERATE.equals(r.getMark()) && !shieldMenu.contains(";" + r.getName() + ";")) {
                String name = parentName + "&amp;menu" + level + "Name=" + URLEncoder.encode(r.getName(), charset);
                String url = contextPath + r.getUrl() + "?" + name;
                html.append("<ul class='ulChild'><li class='liChild'>");
                html.append("<div id='" + r.getId() + "' class='divChild'" + " style='padding-left:" + level * 8 + "px' " + "lang='" + r.getMark() + "' checkUrl='" + r.getUrl() + "' url='" + url + "'>");
                if (SystemStatics.MARK_LINK.equals(r.getMark())) {
                    html.append("<img class='imgIconSmall circle' src='" + contextPath + imgPath + "circle.png'/>");
                } else {
                    html.append("<img class='imgIconSmall plus' src='" + contextPath + imgPath + "plus.png'/>");
                }

                html.append("<label>" + r.getName() + "</label></div>");
                if (r.getChildrens() != null && r.getChildrens().size() > 0) {
                    ArrayList<Resource> resourcess = new ArrayList<Resource>(r.getChildrens());
                    CommonUtil.getSortResource(resourcess);
                    getChildrenMenu(resourcess, level + 1, name);
                }
                html.append("</li></ul>");
            }
        }
    }

    @Override
    public void setJspContext(JspContext pc) {
        pageContext = (PageContext) pc;
    }

    public String getSort() {
        return sort;
    }

    public void setSort(String sort) {
        this.sort = sort;
    }
}

  <?xml version="1.0" encoding="UTF-8" standalone="no"?>
  <taglib xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.0" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd">
    <description></description>
    <display-name>"Privilege Tags"</display-name>
    <tlib-version>1.0</tlib-version>
    <short-name>p</short-name>
    <tag>
        <description><![CDATA[menu tag]]></description>
        <name>menu</name>
        <tag-class>com.vrv.paw.tag.MenuTag</tag-class>
        <body-content>empty</body-content>
        <attribute>
            <name>sort</name>           
        </attribute>
    </tag>
</taglib>