我正在尝试将一组对象从 js 传递到 rails
I am trying to pass an array of objects from js to rails
data.test = [{test: 'asdas'}] $.ajax({ url: 'evaluate.json', data: data, success: function(data){ }, dataType : "json" });导轨
def evaluate logger.info("#{params.test}") end这里的记录器语句总是给我输出
Here the logger statement always gives me out put as
{"0"=>{"test"=>"asdas"}}我期待以下登录 rails.
I am expecting the below log in rails.
[{:test=>"asdas"}] 推荐答案你应该在 Javascript 中使用 JSON.stringify,它接受一个数组或散列作为它的参数(因为这些是唯一有效的JSON 结构).它返回一个表单,它是序列化为 JSON 的 Javascript 对象.
You should use JSON.stringify in Javascript, which takes either an array or hash as its argument (since these are the only valid JSON constructions). It returns a form which is the Javascript object serialized to JSON.
在 Ruby 端,您将收到一个 JSON 编码的字符串,因此您需要 require 'json'(这是在 Rails 中自动完成的)并使用 JSON.parse(字符串).这会给你一个 Ruby 对象.
On the Ruby side, you'll receive a JSON encoded string, so you'll need to require 'json' (this is done automatically in Rails) and use JSON.parse(string). This will give you a Ruby object.
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