错误信息error_messages_for was removed from Rails and is now available as a plugin)
在页面中使用<%= error_messages_for 'order' %>时,刷页面报错: error_messages_for was removed from Rails and is now available as a plugin. Please install it with `rails plugin install git://github.com/rails/dynamic_form.git
解决方法是:
在script文件夹下命令行:rails plugin install git://github.com/rails/dynamic_form.git
然后在Gemfile中添加 :gem 'dynamic_form'
最后命令行:bundle install