相关疑难解决方法(0)

我正在使用Rails 4创建一组服务,我正在使用JavaScript浏览器应用程序.跨源GETS工作正常,但我的POST未通过预检OPTIONS检查404错误.至少,我认为这是正在发生的事情.以下是控制台中出现的错误.这是Mac上的Chrome 31.0.1650.63.

OPTIONS http://localhost:3000/confessor_requests 404 (Not Found) jquery-1.10.2.js:8706
OPTIONS http://localhost:3000/confessor_requests No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost' is therefore not allowed access. jquery-1.10.2.js:8706
XMLHttpRequest cannot load http://localhost:3000/confessor_requests. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost' is therefore not allowed access. main.html:1

我已经搜索了关于启用CORS的指令的高低,我很难过.通常的建议似乎是将这样的东西放在Application控制器中,我做了.

before_filter :cors_preflight_check
after_filter :cors_set_access_control_headers

def cors_set_access_control_headers
  headers['Access-Control-Allow-Origin'] = '*'
  headers['Access-Control-Allow-Methods'] = 'POST, PUT, GET, OPTIONS'
  headers['Access-Control-Allow-Headers'] = '*'
  headers['Access-Control-Max-Age'] = "1728000"
end

def cors_preflight_check
  if request.method == :options
    headers['Access-Control-Allow-Origin'] = …