显示部分数据

app/helpers/welcome_helper.rb

@@ -18,7 +18,6 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 module WelcomeHelper
-	include ProjectsHelper
 	
 	def newbieTopiclist
 		find_all_topic_by_board_id
@@ -36,7 +35,19 @@ module WelcomeHelper
 	def find_all_hot_project
 		sort_project_by_hot
 	end
-
+	
+	def find_all_hot_course
+	  sort_course_by_hot
+	end
+	
+	def find_all_hot_bid
+	  sort_bid_by_hot
+	end
+  
+  def find_all_hot_contest
+    sort_contest_by_hot
+  end
+  
 	private
 
 	def search_project
@@ -57,4 +68,40 @@ module WelcomeHelper
 	def find_project_by_board board
 		Project.find_by_id(board.project_id)
 	end
+	
+	def sort_project_by_hot
+    return sort_project_by_hot_rails 0
+ end
+ 
+ def sort_course_by_hot 
+    return sort_project_by_hot_rails 1
+ end
+ 
+ def sort_bid_by_hot
+    return sort_bid_by_hot_rails 1
+ end
+ 
+ def sort_contest_by_hot
+    return sort_bid_by_hot_rails 2
+ end
+ 
+ def sort_project_by_hot_rails project_type
+    limit = 10
+    project_type == 0 ? Project.find_by_sql("
+      SELECT p.id, p.name, p.description, p.identifier, t.project_id 
+        FROM projects AS p RIGHT OUTER JOIN (
+          SELECT project_id,grade FROM project_statuses 
+            WHERE project_type = #{project_type} ORDER BY  grade DESC LIMIT #{limit} ) AS t ON p.id = t.project_id ")
+            : Project.find_by_sql("
+      SELECT p.id, p.name, p.description, p.identifier, t.project_id 
+        FROM projects AS p RIGHT OUTER JOIN (
+          SELECT project_id,grade FROM project_statuses 
+            WHERE project_type = #{project_type} ORDER BY  course_ac_para DESC LIMIT #{limit} ) AS t ON p.id = t.project_id ")
+ end
+  
+ def sort_bid_by_hot_rails reward_type
+    limit = 10
+    Bid.visible.where('reward_type = ?', reward_type).reorder('bids.commit desc').limit(limit).all
+ end
+ 
 end

public/stylesheets/application.css

@@ -593,6 +593,7 @@ ul.tool li{list-style-type:none;
 .welcome_right{	
 	float:right;
 	width: 49%;
+	padding-left: 30px;
 }
 
 .inf_user_motto{