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Rails中的POST 422(不可处理的实体)?由于路线或控制器?

我正试图在我的网站上为用户提供"积分"或"积分"来发布有关品牌名称的推文.

我在适当的视图上有花哨的推特小部件......

<p><a  href="https://twitter.com/share" class="twitter-share-button" data-text="Check Out This Awesome Website Yay" data-via="BrandName" data-hashtags="ProductName">Tweet</a>
<div id="credited"></div>
<script>window.twttr = (function (d, s, id) {
  var t, js, fjs = d.getElementsByTagName(s)[0];
  if (d.getElementById(id)) return;
  js = d.createElement(s); js.id = id;
  js.src= "https://platform.twitter.com/widgets.js";
  fjs.parentNode.insertBefore(js, fjs);
  return window.twttr || (t = { _e: [], ready: function (f) { t._e.push(f) } });
}(document, "script", "twitter-wjs"));
</script>    
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我把JS写得很漂亮....

function creditTweet() {
  $.post(
    "/credit_tweet",
    {},
    function(result) {
      var text;
      if (result.status === "noop") {
        text = "Thanks for …
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javascript ruby ajax ruby-on-rails httprequest

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