系统消息-修改

app/models/system_message.rb

@@ -1,5 +1,7 @@
 class SystemMessage < ActiveRecord::Base
   attr_accessible :content, :id, :user_id
   belongs_to :user
-  validates_length_of :content, maximum: 255
+
+  validates :content, presence: true
+  validates_length_of :content, maximum:255
 end

app/views/admin/messages.html.erb

@@ -1,29 +1,24 @@
-# encoding: utf-8
 <%= javascript_include_tag "/assets/kindeditor/kindeditor",'/assets/kindeditor/pasteimg'  %>
 <h3 style="float: left">
   <%=l(:label_system_message)%>
 </h3><br/>
 <div style="padding-top: 20px; padding-left: 5px;">
-  <%= form_for(@admin_messages, :html => {:id =>'system_message_form', :multipart => true}) do |f| %>
+  <%= form_for(@admin_messages, :html => {:id =>'system_message-form'}) do |f| %>
       <div class="field">
-        <%= f.kindeditor :content, :edit_id => 'system_message',
-                         :width => '87%',
-                         :resizeType => '0',
-                         :no_label => true
-        %>
+        <%= f.kindeditor :content,:width=>'87%',:editor_id=>'system_message_editor' %>
+        <p id="content_notice_span" class="ml55"></p>
       </div>
       <div>
         <p id="content_notice_span" class="ml55"></p>
       </div>
       <div class="actions">
-        <%= f.submit l(:label_submit),:class => "small", :onclick => "system_message.sync;" %>
+        <%= link_to l(:label_submit), "javascript:void(0)",:class => "small", :onclick => "system_message_editor.sync();submit_message();" %>
       </div>
   <% end %>
 </div>
 <script>
-  function system_message_length()
-  {
-      var obj = $("#system_message").value;
+    function system_message_length() {
+        var obj = system_message_editor.html();
         if (obj.length == 0) {
             $("#content_notice_span").text("内容不能为空");
             $("#content_notice_span").css('color', '#ff0000');
@@ -42,11 +37,10 @@
             return true;
         }
     }
-        function submit_message()
-        {
-            if (system_message_length())
-            {
-                $("#system_message_form").submit();
+    function submit_message() {
+
+        if (system_message_length()) {
+            $("#system_message-form").submit();
         }
     }
 </script>