修复一级菜单没有子菜单不能显示的问题

src/main/java/com/stylefeng/guns/common/node/MenuNode.java

 package com.stylefeng.guns.common.node;
 
-import com.stylefeng.guns.core.util.ToolUtil;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Iterator;
@@ -250,14 +248,15 @@ public class MenuNode implements Comparable {
     }
 
     /**
-     * 清除不包含子节点的节点
+     * 清除所有二级菜单
      *
      * @date 2017年2月19日 下午11:18:19
      */
-    public static List<MenuNode> clearNoChild(List<MenuNode> nodes) {
+    public static List<MenuNode> clearLevelTwo(List<MenuNode> nodes) {
         ArrayList<MenuNode> results = new ArrayList<MenuNode>();
         for (MenuNode node : nodes) {
-            if (ToolUtil.isNotEmpty(node.getChildren())) {
+            Integer levels = node.getLevels();
+            if (levels.equals(1)) {
                 results.add(node);
             }
         }
@@ -272,7 +271,7 @@ public class MenuNode implements Comparable {
     public static List<MenuNode> buildTitle(List<MenuNode> nodes) {
         List<MenuNode> clearBtn = clearBtn(nodes);
         new MenuNode().buildNodeTree(clearBtn);
-        List<MenuNode> menuNodes = clearNoChild(clearBtn);
+        List<MenuNode> menuNodes = clearLevelTwo(clearBtn);
 
         //对菜单排序
         Collections.sort(menuNodes);

src/main/java/com/stylefeng/guns/modular/system/controller/NoticeController.java

@@ -40,7 +40,7 @@ public class NoticeController extends BaseController {
     private NoticeDao noticeDao;
 
     /**
-     * 跳转到通知首页
+     * 跳转到通知列表首页
      */
     @RequestMapping("")
     public String index() {
@@ -66,6 +66,16 @@ public class NoticeController extends BaseController {
     }
 
     /**
+     * 跳转到首页通知
+     */
+    @RequestMapping("/hello")
+    public String hello() {
+        List<Map<String, Object>> notices = noticeDao.list(null);
+        super.setAttr("noticeList",notices);
+        return "blackboard.html";
+    }
+
+    /**
      * 获取通知列表
      */
     @RequestMapping(value = "/list")

src/main/webapp/WEB-INF/view/common/_tab.html

@@ -25,22 +25,31 @@
             </li>
             
             @for(title in titles){
-            	<li>
-	                <a href="#">
-	                    <i class="fa ${title.icon}"></i>
-	                    <span class="nav-label">${title.name}</span>
-	                    <span class="fa arrow"></span>
-	                </a>
-	                <ul class="nav nav-second-level">
-	                	@for(subTitle in title.children){
-		                    <li>
-		                        <a class="J_menuItem" href="${ctxPath}${subTitle.url}">${subTitle.name}</a>
-		                    </li>
-		                @}
-	                </ul>
-	            </li>
+                @if(tool.isEmpty(title.children)){
+                    <li>
+                        <a class="J_menuItem" href="${ctxPath}${title.url}">
+                            <i class="fa ${title.icon}"></i>
+                            <span class="nav-label">${title.name}</span>
+                        </a>
+                    </li>
+                @}else{
+                    <li>
+                        <a href="#">
+                            <i class="fa ${title.icon}"></i>
+                            <span class="nav-label">${title.name}</span>
+                            <span class="fa arrow"></span>
+                        </a>
+                        <ul class="nav nav-second-level">
+                            @for(subTitle in title.children){
+                            <li>
+                                <a class="J_menuItem" href="${ctxPath}${subTitle.url}">${subTitle.name}</a>
+                            </li>
+                            @}
+                        </ul>
+                    </li>
+                @}
             @}
-            
+
         </ul>
     </div>
 </nav>
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