系统消息没保存成功添加验证

系统消息样式修改

app/controllers/system_messages_controller.rb

@@ -44,6 +44,13 @@ class SystemMessagesController < ApplicationController
       if @system_messages.save
         format.html {redirect_to user_message_path(User.current, :type => "system_message")}
         flash[:notice] = l(:notice_successful_message)
+      else
+        if params[:system_message][:content].empty?
+          flash[:error] = l(:label_content_blank_fail)
+        else
+          flash[:error] = l(:label_admin_message_fail)
+        end
+        format.html {redirect_to admin_messages_path}
       end
     end
   end

app/models/system_message.rb

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

app/views/admin/messages.html.erb

@@ -4,50 +4,16 @@
   <%=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) do |f| %>
       <div class="field">
-        <%= f.kindeditor :content, :edit_id => 'system_message',
+        <%= f.kindeditor :content, :edit_id => 'system_message', :width => '87%', :resizeType => '0', :no_label => true %>
-                         :width => '87%',
-                         :resizeType => '0',
-                         :no_label => true
-        %>
       </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;" %>
+        <%= f.submit l(:label_submit),:class => "small" %>
       </div>
   <% end %>
 </div>
-<script>
-  function system_message_length()
-  {
-      var obj = $("#system_message").value;
-      if (obj.length == 0) {
-          $("#content_notice_span").text("内容不能为空");
-          $("#content_notice_span").css('color', '#ff0000');
-          $("#content_notice_span").focus();
-          return false;
-      }
-      else if (obj.length > 255) {
-          $("#content_notice_span").text("内容过长，超过255个字符");
-          $("#content_notice_span").css('color', '#ff0000');
-          $("#content_notice_span").focus();
-          return false;
-      }
-      else {
-          $("#content_notice_span").text("填写正确");
-          $("#content_notice_span").css('color', '#008000');
-          return true;
-      }
-  }
-        function submit_message()
-        {
-            if (system_message_length())
-            {
-                $("#system_message_form").submit();
-            }
-        }
-</script>
 

app/views/users/user_messages.html.erb

@@ -57,12 +57,12 @@
                 </li>
                 <li class="homepageNewsContent fl">
                   <%= link_to usm.content.html_safe, {:controller => 'system_messages', :action => 'index'},
-                              :class => "newsGrey",
+                              :class => "newsRed",
                               :onmouseover => "message_titile_show($(this),event);",
                               :onmouseout => "message_titile_hide($(this));"
                   %>
                 </li>
-                <div style="display:none;" class="message_title">
+                <div style="display:none;" class="message_title_red">
                   <%= usm.content.html_safe %>
                 </div>
                 <li class="homepageNewsTime fl"><%= time_tag(usm.created_at).html_safe %> </li>
@@ -356,7 +356,7 @@
                                   :onmouseout => "message_titile_hide($(this));"
                    %>
                     </li>
-                    <div style="display:none;" class="message_title">
+                    <div style="display:none;" class="message_title_red">
                       <%= ma.content.html_safe%>
                     </div>
                     <li class="homepageNewsTime fl"><%= time_tag(ma.created_at).html_safe %> </li>

config/locales/admins/zh.yml

@@ -15,4 +15,6 @@ zh:
   label_registration_automatic_activation: 自动激活帐号
 
   label_system_message: 系统消息
+  label_admin_message_fail: 消息内容过长！
+  label_content_blank_fail: 消息内容不能为空！
 

public/stylesheets/new_user.css

@@ -931,6 +931,8 @@ img.ui-datepicker-trigger {
     margin-bottom: 3px;
 }
 .message_title{border: 1px solid #D4D4D4;padding: 0.6em;margin-left: 1.4em;margin-right: 0.4em;border-radius: 4px;font-family: "Microsoft YaHei";background-size: 100% 100%;margin-bottom: 5px;background-color: #E8E8E8;}
+.message_title_red{border: 1px solid #D4D4D4;padding: 0.6em;margin-left: 1.4em;margin-right: 0.4em;border-radius: 4px;font-family: "Microsoft YaHei";background-size: 100% 100%;margin-bottom: 5px;background-color: #E8E8E8;color: red}
+
 .description{display: none !important;}
 .ispublic-label{display: none !important;}
 .is_public_checkbox{display: none !important;}