Rails 操作前语法错误

Rails before action syntax error

  before_action :set_article, only: [:show, :edit, :update, :destroy], :classify_article, only: [:create]

为什么我在这里遇到语法错误,这是在我添加 classify_article 函数后发生的

您应该为每个操作前单独一行:

before_action :set_article, only: [:show, :edit, :update, :destroy]
before_action :classify_article, only: [:create]