I am new to Rails.
我是Rails的新手。
I have an ActiveRecord model called Post. I'd like to get count of all the records of the Post model. How can I accomplish this?
我有一个名为Post的ActiveRecord模型。我想了解Post模型的所有记录。我怎么能做到这一点?
Thanks in advance for your help.
在此先感谢您的帮助。
2 个解决方案
#1
3
Try Post.all.count in your rails console if you are on Rails 4.
如果您使用的是Rails 4,请在rails控制台中尝试Post.all.count。
UPDATE:
Post.count is better as cristian mentioned
如所提到的那样,Post.count更好
#2
10
Post.count
is what you are looking for.
是你在找什么。
#1
3
Try Post.all.count in your rails console if you are on Rails 4.
如果您使用的是Rails 4,请在rails控制台中尝试Post.all.count。
UPDATE:
Post.count is better as cristian mentioned
如所提到的那样,Post.count更好
#2
10
Post.count
is what you are looking for.
是你在找什么。