如何将随机字符串从数组传递到视图中？

Question

在我的控制器中，我定义了一个位置数组，并使用sample来捕获随机字符串之一：

class IndexController < ApplicationController
  def index
    @location = ["England", "Scotland", "Wales", "Ireland"]
    random_location = @location.sample
  end
end

但是，我不知道在浏览器中显示一个国家/地区所需的代码。

Answer 1

使用Array#sample

class IndexController < ApplicationController
  def index
    # @location i_var will be available automatically inside the corresponding
    # view of this action to the Index controller.
    @location = ["England", "Scotland", "Wales", "Ireland"]
  end
end

现在在视图中index.html.erb

Country is <%= @location.sample %>