[前端-公告管理]增加仅显示可见公告功能，统一数据获取方法

template/admin/announcement/announcement.html

@@ -1,4 +1,4 @@
-<style> </style>
+<style></style>
 
 <div ms-controller="announcement" class="col-md-9">
     <h1>Announcement</h1>
@@ -24,8 +24,12 @@
             </td>
         </tr>
     </table>
+    <div class="form-group">
+
+        <button class="btn btn-info" ms-click="changeHiddenState()">{{showOrHide}}</button>
+    </div>
     <div class="text-right">
-        页数：{{page}}/{{page+next_page}}
+        页数：{{page}}/{{page_count}}&nbsp;&nbsp;
         <botton ms-attr-class="getBtnClass(0)" ms-click="getPrevious">上一页</botton>
         <botton ms-attr-class="getBtnClass(1)" ms-click="getNext">下一页</botton>
     </div>
@@ -40,11 +44,11 @@
             <textarea id="editAnnouncementEditor"></textarea>
         </div>
         <div class="form-group">
-            <label>隐藏</label>
-            <input type="checkbox" id="hidden">
+            <label>显示 <input ms-duplex-checked="announcementVisible" type="checkbox"/></label>
         </div>
         <div class="form-group">
-            <button ms-click="submitChange()" class="btn btn-primary">提交</button>&nbsp;&nbsp;
+            <button ms-click="submitChange()" class="btn btn-primary">提交</button>
+            &nbsp;&nbsp;
             <button ms-click="disEdit()" class="btn btn-danger">取消</button>
         </div>
     </div>