Rails代码片段

Rails代码片段

# 跳转至上一个URL，可带参数
def redirect_to_back_or_default(default = root_url, *args)
  if request.env['HTTP_REFERER'].present? && request.env['HTTP_REFERER'] != request.env['REQUEST_URI']
    redirect_to :back, *args
  else
    redirect_to default, *args
  end
end