add generators and change install.rb

generators/migrations/create_regions.rb

@@ -0,0 +1,43 @@
+class CreateRegions < ActiveRecord::Migration
+  def self.up
+    create_table :regions do |t|
+      t.string :name
+    end
+
+    Region.create(:name => '北京市')
+    Region.create(:name => '天津市')
+    Region.create(:name => '河北省')
+    Region.create(:name => '山西省')
+    Region.create(:name => '内蒙古自治区')
+    Region.create(:name => '辽宁省')
+    Region.create(:name => '吉林省')
+    Region.create(:name => '黑龙江省')
+    Region.create(:name => '上海市')
+    Region.create(:name => '江苏省')
+    Region.create(:name => '浙江省')
+    Region.create(:name => '安徽省')
+    Region.create(:name => '福建省')
+    Region.create(:name => '江西省')
+    Region.create(:name => '山东省')
+    Region.create(:name => '河南省')
+    Region.create(:name => '湖北省')
+    Region.create(:name => '湖南省')
+    Region.create(:name => '广东省')
+    Region.create(:name => '广西壮族自治区')
+    Region.create(:name => '海南省')
+    Region.create(:name => '重庆市')
+    Region.create(:name => '四川省')
+    Region.create(:name => '贵州省')
+    Region.create(:name => '云南省')
+    Region.create(:name => '西藏自治区')
+    Region.create(:name => '陕西省')
+    Region.create(:name => '甘肃省')
+    Region.create(:name => '青海省')
+    Region.create(:name => '宁夏回族自治区')
+    Region.create(:name => '新疆维吾尔自治区')
+  end
+
+  def self.down
+    drop_table :regions
+  end
+end

generators/models/city.rb

@@ -0,0 +1,4 @@
+class City < ActiveRecord::Base
+  has_many :districts
+  belongs_to :region
+end

generators/models/district.rb

@@ -0,0 +1,3 @@
+class District < ActiveRecord::Base
+  belongs_to :city
+end

generators/models/region.rb

@@ -0,0 +1,3 @@
+class Region < ActiveRecord::Base
+  has_many :cities
+end

install.rb

@@ -1 +1,21 @@
 # Install hook code here
+require 'fileutils'
+
+puts "** Installing chinese_regions Plugin"
+
+puts "** Installing chinese_regions models"
+model_src_path = File.join(RAILS_ROOT, '/vendor/plugins/chinese_regions/generators/models/')
+model_dest_path = File.join(RAILS_ROOT, '/app/models/')
+['region.rb', 'city.rb', 'district.rb'].each do |file|
+  FileUtils.cp(File.join(model_src_path, file), File.join(model_dest_path, file))
+end
+
+puts "** Installing chinese_regions migrations"
+migration_src_path = File.join(RAILS_ROOT, '/vendor/plugins/chinese_regions/generators/migrations/')
+migration_dest_path = File.join(RAILS_ROOT, '/db/migrate/')
+['create_regions.rb', 'create_cities.rb', 'create_districts.rb'].each do |file|
+  FileUtils.cp(File.join(migration_src_path, file), File.join(migration_dest_path, Time.new.getutc.strftime("%Y%m%d%H%M%S") + "_" + file))
+  sleep 1
+end
+
+puts "** Successfully installed chinese_regions Plugin"