JSON

<br />>> ActiveSupport::JSON.decode("{\"name\":\"a\",\"id\":\"1\"}")<br />=> {"name"=>"a", "id"=>"1"}<br /><br />>> ActiveSupport::JSON.encode({"name"=>"a", "id"=>"1"})<br />=> "{\"name\": \"a\", \"id\": \"1\"}<br />這個encode, decode 是ruby 做的<br /><br />還有C的json encode, decode gem 可以裝<br />