final/app/models/article_star.rb

class ArticleStar < ActiveRecord::Base
    belongs_to :article, counter_cache: 'star_count'
end
数据库表 2015-12-07 04:43:35 +08:00			`class ArticleStar < ActiveRecord::Base`
完善model类，加入检验判断 2015-12-20 05:54:47 +08:00			`belongs_to :article, counter_cache: 'star_count'`
数据库表 2015-12-07 04:43:35 +08:00			`end`