school表done

建立了school和course的一对多关联

app/models/course.rb

@@ -4,6 +4,7 @@ class Course < ActiveRecord::Base
   attr_accessible :code, :extra, :name, :state, :tea_id, :time , :location, :state, :term, :password
   belongs_to :project, :class_name => 'Project', :foreign_key => :extra # 定义一个project方法， 该方法通过extra来调用project表
   belongs_to :teacher, :class_name => 'User', :foreign_key => :tea_id  # 定义一个方法teacher，该方法通过tea_id来调用User表
+  belongs_to :school, :class_name => 'School', :foreign_key => :school_id #定义一个方法school，该方法通过school_id来调用School表
   has_many :bid
   validates_presence_of :password, :term
   safe_attributes 'extra',

app/models/school.rb

@@ -0,0 +1,4 @@
+class School < ActiveRecord::Base
+  attr_accessible :name, :province
+  has_many :courses
+end

db/migrate/20140318072309_remove_city_from_schools.rb

@@ -1,5 +0,0 @@
-class RemoveCityFromSchools < ActiveRecord::Migration
-  def change
-    remove_column :schools, :city
-  end
-end

db/migrate/20140320015156_create_schools.rb

@@ -1,12 +1,10 @@
 class CreateSchools < ActiveRecord::Migration
-  
   def change
     create_table :schools do |t|
       t.string :name
       t.string :province
-      t.string :city
+
+      t.timestamps
     end
   end
-  
-  
 end

db/migrate/20140320022724_add_schoolid_to_courses.rb

@@ -0,0 +1,5 @@
+class AddSchoolidToCourses < ActiveRecord::Migration
+  def change
+    add_column :courses, :school_id, :integer
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20140319092720) do
+ActiveRecord::Schema.define(:version => 20140320022724) do
 
   create_table "activities", :force => true do |t|
     t.integer "act_id",   :null => false
@@ -173,6 +173,7 @@ ActiveRecord::Schema.define(:version => 20140319092720) do
     t.string   "setup_time"
     t.string   "endup_time"
     t.string   "class_period"
+    t.integer  "school_id"
   end
 
   create_table "custom_fields", :force => true do |t|
@@ -600,6 +601,8 @@ ActiveRecord::Schema.define(:version => 20140319092720) do
   create_table "schools", :force => true do |t|
     t.string   "name"
     t.string   "province"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
   end
 
   create_table "seems_rateable_cached_ratings", :force => true do |t|

test/fixtures/schools.yml

@@ -0,0 +1,9 @@
+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/Fixtures.html
+
+one:
+  name: 
+  province: MyString
+
+two:
+  name: 
+  province: MyString

test/unit/school_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class SchoolTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end