问吧的帖子，吧主和超级管理员有置顶权限

app/controllers/forums_controller.rb

@@ -121,7 +121,7 @@ class ForumsController < ApplicationController
     order = ""
     @order_str = ""
     if(params[:reorder_complex])
-      order = " last_replies_memos.created_at #{params[:reorder_complex]}, #{Memo.table_name}.created_at #{params[:reorder_complex]}"
+      order = "last_replies_memos.created_at #{params[:reorder_complex]}, #{Memo.table_name}.created_at #{params[:reorder_complex]}"
       @order_str = "reorder_complex="+params[:reorder_complex]
     elsif(params[:reorder_popu])
       order = "replies_count #{params[:reorder_popu]}"
@@ -166,16 +166,16 @@ class ForumsController < ApplicationController
     order = ""
     @order_str = ""
     if(params[:reorder_complex])
-      order = " last_replies_memos.created_at #{params[:reorder_complex]}, #{Memo.table_name}.created_at #{params[:reorder_complex]}"
+      order = "#{Memo.table_name}.sticky desc, last_replies_memos.created_at #{params[:reorder_complex]}, #{Memo.table_name}.created_at #{params[:reorder_complex]}"
       @order_str = "reorder_complex="+params[:reorder_complex]
     elsif(params[:reorder_popu])
-      order = "replies_count #{params[:reorder_popu]}"
+      order = "#{Memo.table_name}.sticky desc, replies_count #{params[:reorder_popu]}"
       @order_str = "reorder_popu="+params[:reorder_popu]
     elsif(params[:reorder_time])
-     order = "#{Memo.table_name}.updated_at #{params[:reorder_time]}"
+     order = "#{Memo.table_name}.sticky desc, #{Memo.table_name}.updated_at #{params[:reorder_time]}"
      @order_str = "reorder_time="+params[:reorder_time]
     else
-      order = "#{Memo.table_name}.updated_at desc"
+      order = "#{Memo.table_name}.sticky desc, #{Memo.table_name}.updated_at desc"
       @order_str = "reorder_time=desc"
     end
     @memo = Memo.new(:forum => @forum)

app/controllers/memos_controller.rb

@@ -50,6 +50,8 @@ class MemosController < ApplicationController
     @memo = Memo.new(params[:memo])
     @memo.forum_id = @forum.id
     @memo.author_id = User.current.id
+    # 问吧置顶sticky:1 置顶；0不置顶
+    @memo.sticky = params[:memo][:sticky].to_i
 
     if params[:memo][:parent_id]
       @memo.root_id = (Memo.find params[:memo][:parent_id]).root_id.nil? ? params[:memo][:parent_id].to_i : (Memo.find params[:memo][:parent_id]).root_id
@@ -189,6 +191,14 @@ class MemosController < ApplicationController
     end
   end
 
+  #置顶功能
+  def change_sticky
+    @memo.sticky ? @memo.update_attribute(:sticky, false) : @memo.update_attribute(:sticky, true)
+    respond_to do |format|
+      format.html { redirect_to forum_memo_path(@memo.forum, @memo) }
+    end
+  end
+
   private
 
   def find_memo

app/views/boards/_course_new.html.erb

@@ -122,18 +122,18 @@
   <div id="new_course_topic">
     <div class="homepagePostBrief c_grey">
       <div>
-        <input  type="text" name="message[subject]" id="message_subject" class="InputBox  w713" maxlength="128" onfocus="$('#topic_editor').show()" onkeyup="regexTopicSubject();" placeholder="发布帖子，请先输入帖子标题" value="<%= topic.subject%>" >
+        <input type="text" name="message[subject]" id="message_subject" class="InputBox w713" maxlength="128" onfocus="$('#topic_editor').show()" onkeyup="regexTopicSubject();" placeholder="发布帖子，请先输入帖子标题" value="<%= topic.subject%>" >
         <p id="subjectmsg"></p>
       </div>
       <div id="topic_editor" style="display: none;">
         <%if User.current.member_of_course?(course) %>
             <div class="mt10">
-          <% if User.current.id == course.tea_id %>
-              <%= f.check_box :sticky, :value => topic.sticky %>
-              <%= label_tag 'message_sticky', l(:label_board_sticky) %>
-          <%= f.check_box :locked, :value => topic.locked %>
-          <%= label_tag 'message_locked', l(:label_board_locked) %>
-          <% end %>
+              <% if User.current.id == course.tea_id %>
+                  <%= f.check_box :sticky, :value => topic.sticky %>
+                  <%= label_tag 'message_sticky', l(:label_board_sticky) %>
+                  <%= f.check_box :locked, :value => topic.locked %>
+                  <%= label_tag 'message_locked', l(:label_board_locked) %>
+              <% end %>
           <div class="cl"></div>
         </div>
         <% end %>

app/views/forums/_show_topics.html.erb

@@ -26,8 +26,11 @@
               <%= link_to image_tag(url_to_avatar(topic.author), :width => 50,:height => 50,:alt => '贴吧图片'), user_path(topic.author) if topic.author%>
             </div>
             <div class="postDetailWrap">
-              <div class="postDetailTitle fl">
-                <a href="<%= forum_memo_path(topic.forum, topic) %>" class="f14 linkGrey4 fb"><%=topic.subject%></a>
+              <div class="postDetailTitle" style="display: inline-block;">
+                <a href="<%= forum_memo_path(topic.forum, topic) %>" class="fl f14 linkGrey4 fb" style="max-width: 550px"><%= topic.subject %></a>
+                <% if topic.sticky && !params[:id].blank? %>
+                    <span class="fl ml10 red-cir-btn">顶</span>
+                <% end %>
               </div>
               <div class="postDetailReply fr">
                 <a href="<%= forum_memo_path(topic.forum, topic)%>" class="postReplyIcon mr5" target="_blank"></a>

app/views/memos/_form.html.erb

@@ -6,7 +6,16 @@
   <div class="wenba-tiwen-con">
     <ul >
       <li class="mb10">
-        <%= f.text_field :subject, :no_label => true, :id => "memo_subject", :maxlength => "50", :style => "width:708px", :onblur => "check_memo_name();", :onfocus => "$('#memo_name_error_tips').hide();", :onmouseover => "this.style.borderColor='#d9d9d9'", :class => "wenba-tiwen-input",  :placeholder => "请输入标题" %>
+        <%= f.text_field :subject,
+                         :no_label => true,
+                         :id => "memo_subject",
+                         :maxlength => "50",
+                         :style => "width:708px",
+                         :onblur => "check_memo_name();",
+                         :onfocus => "$('#memo_name_error_tips').hide();",
+                         :onmouseover => "this.style.borderColor='#d9d9d9'",
+                         :class => "wenba-tiwen-input",
+                         :placeholder => "请输入标题" %>
         <p class="c_red" style="display: none" id="memo_name_error_tips"></p>
         <script>
             var textarea1 = document.getElementById('memo_subject');

app/views/memos/show.html.erb

@@ -33,6 +33,11 @@
                 <ul class="homepagePostSettiongText">
                   <% if @memo.author.id == User.current.id || User.current.admin? %>
                       <li><a href="<%= edit_forum_memo_path(@memo.forum,@memo)%>" class="postOptionLink">编辑</a></li>
+                      <% if @memo.sticky %>
+                          <li><a href="<%= change_sticky_forum_memo_path(@memo.forum,@memo) %>" class="postOptionLink">取消置顶</a></li>
+                      <% else %>
+                          <li><a href="<%= change_sticky_forum_memo_path(@memo.forum,@memo) %>" class="postOptionLink">置顶</a></li>
+                      <% end %>
                   <% end %>
                   <li><a href="javascript:void(0);"  class="postOptionLink" onclick="del_confirm();">删除</a></li>
                   <li style="display: none"><a href="<%= forum_memo_path(@memo.forum, @memo) %>" data-method="delete" id="del_memo_link" ></a></li>

config/routes.rb

@@ -476,6 +476,9 @@ RedmineApp::Application.routes.draw do
       collection do
         get "quote"
       end
+      member do
+        get "change_sticky"
+      end
     end
   end
 

public/stylesheets/css/public.css

@@ -285,7 +285,7 @@ a.sortArrowActiveU {background:url(../images/post_image_list.png) -17px -20px no
 .postDetailRow {width:720px; border-bottom:1px solid #efefef; padding:15px 0;}
 .postDetailPortrait {width:50px; height:50px; float:left; margin-right:15px;}
 .postDetailWrap {width:655px; float:left;}
-.postDetailTitle {width:570px; max-width:570px; margin-bottom:5px;}
+.postDetailTitle {max-width:600px; margin-bottom:5px;}
 .postDetailDes {width:580px; max-width:580px; margin-bottom:6px; color:#888888;display:block;overflow:hidden;word-break:keep-all;text-overflow:ellipsis;}
 /*.postDetailDes p,div,em{word-break: break-all;word-wrap: break-word;}*/
 .postDetailDes ol li{list-style-type: decimal;margin-left: 40px;}