`

错误信息error_messages_for was removed from Rails and is now available as a plugin)

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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
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