Ruby on rails Rails Json响应帮助
在我的控制器中,我有:Ruby on rails Rails Json响应帮助,ruby-on-rails,json,Ruby On Rails,Json,在我的控制器中,我有: @photo = Photo.find(:all) respond_to do |format| ... format.json { render :json => @photo.to_json) end 所以我的回答是: { "photo": { "updated_at":"2010-10-14T19:12:35Z", "photo_file_size":206422,
@photo = Photo.find(:all)
respond_to do |format|
...
format.json { render :json => @photo.to_json)
end
所以我的回答是:
{
"photo":
{
"updated_at":"2010-10-14T19:12:35Z",
"photo_file_size":206422,
"created_at":"2010-10-14T19:12:01Z"
}
},
{
"photo":
{
"updated_at":"2010-10-16T18:19:38Z",
"photo_file_size":83593,
"created_at":"2010-10-14T19:14:35Z"
}
}
如何为每个照片块添加额外的json键值对?
比如:
"photo":
{
"updated_at":"2010-10-14T19:12:35Z",
"photo_file_size":206422,
"created_at":"2010-10-14T19:12:01Z"
----> "created_at_b":"2010/10/14"
}
可能:包括选项
谢谢 to_json可以包含模型上任何可用方法的结果。例如,可以将以下方法添加到模型中:
class Photo < ActiveRecord::Base
def created_at_b
# whatever you want to do
end
end
这应该会返回您想要的json。如何在每张照片中添加“created_at_b”字段?这就是第一段代码的目的,您应该将该方法定义放入模型类中。我对答案进行了编辑,使其更加清晰
format.json { render :json => @photo.to_json(:methods=>[:created_at_b])