0
我在Heroku上運行一個Ruby應用程序。該應用程序返回一個JSON,當我轉到瀏覽器的調試器時可以訪問該JSON。 JSON響應如下模板:POST JSON響應在Ruby中的HTTP請求
rates = {
"Aluminium" => price[1],
"Copper" => price_cu[1],
"Lead" => price_pb[1],
"Nickel" => price_ni[1],
"Tin" => price_sn[1],
"Zinc" => price_zn[1],
}
樣本響應:
{
"Aluminium":"1765.50",
"Copper":"7379.00",
"Lead":"2175.00",
"Nickel":"14590.00",
"Tin":"22375.00",
"Zinc":"2067.00"
}
我寫了實現這一目標的代碼是:
Test.rb
class FooRunner
def self.run!
#calculations_for_rates
rates.to_json
end
if __FILE__ == $0
puts FooRunner.run!
end
應用.rb
require 'sinatra'
require './test.rb'
result = FooRunner.run!
File.open('output.json','w') do |f|
f.write result
end
content_type :json
result
當我嘗試使用
$.getJSON('app-url',function(data){
console.log(data);
});
它給了我一個錯誤說訪問此鏈接
No 'Access-Control-Allow-Origin' header is present on the requested resource.
有我的方式直接訪問通過編寫JSON JSON響應到HTTP響應?
[Sinatra access-control-allow-origin for sinatra公用文件夾]的可能重複(http://stackoverflow.com/questions/7109971/sinatra-access-control-allow-origin-for-sinatra-public-folder ) – TheDude