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Ruby on rails 3 Rails ERB:未生成单选按钮标签_Ruby On Rails 3_Erb - Fatal编程技术网
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Ruby on rails 3 Rails ERB:未生成单选按钮标签

ruby-on-rails-3

Ruby on rails 3 Rails ERB:未生成单选按钮标签,ruby-on-rails-3,erb,Ruby On Rails 3,Erb,我有一个ERB，它只包含以下行： hello <% radio_button_tag "a", "b" %> world 问题：输出只是hello world。不生成单选按钮 可能是什么问题？您忘记了等号： hello <%= radio_button_tag "a", "b" %> world 你忘了等号： hello <%= radio_button_tag "a", "b" %> world

我有一个ERB，它只包含以下行：

hello <% radio_button_tag "a", "b" %> world
问题：输出只是hello world。不生成单选按钮

可能是什么问题？

您忘记了等号：

hello <%= radio_button_tag "a", "b" %> world
你忘了等号：

hello <%= radio_button_tag "a", "b" %> world