JAVA ¶¯Ì¬¹¹½¨Ê÷(2)

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/**
 * ¸ÃÄ£¿éÖ÷ÒªÊǽ«ÎÞ¹æÔò´æ·ÅµÄ¶ÔÏó½øÐÐÒ»¸öÓÐ×éÖ¯µÄÊ÷Ðνڵ㴦Àí
 * @author ÏļҼª<jijin0223@126.com>
 *
 */
public class SystemMenuTreeModel {
 
    public SystemMenuTreeModel(){
      
    }
    /**
     * ½«Ëù»ñÈ¡µÄList<SystemMenu> sysMenuList½øÐд¦Àí
     * @param sysMenuList
     * @return
     */
    public static List<CommonTreeNode> createSystemMenuTreeModel(List<SystemMenu> sysMenuList){
       List<CommonTreeNode> rootNode = new ArrayList<CommonTreeNode>();
       Map<String, String>  systemMenuMap = new HashMap<String, String>();
       Map<String, CommonTreeNode> treeNodeMap = new HashMap<String, CommonTreeNode>();
       //½«ËùÓеıàÂëºÍÐÕÃû´æ·Åµ½Ò»¸öHashMapÖУ¬·½±ãºóÃæ½øÐбéÀú
       for(SystemMenu temp:sysMenuList){
           String code = temp.getCode();
           String name = temp.getName();
           systemMenuMap.put(code, name);
           CommonTreeNode node = new CommonTreeNode(name);
           treeNodeMap.put(code, node);
       }
       Set<Entry<String,String>> entrySet = systemMenuMap.entrySet();
       for(Entry<String,String>  entry:entrySet){
           St