我有一个wordpress网站，其中使用ARforms wordpress插件开发了与我们联系的表单。我想将数据从表单发布到自定义网址。根据自定义URL上的文档，每个字段值都可以通过字段ID进行检索。但是当我检查表格时，我会得到这样的名字。
Access to XMLHttpRequest at 'https://login.mailchimp.com/oauth2/metadata' from origin 'http://127.0.0.1:8000' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Cross-Origin Read Blocking (CORB) blocked cross-origin response https://login.mailchimp.com/oauth2/metadata with MIME type application/json. See https://www.chromestatus.com/feature/5629709824032768 for more details.
send @ jquery.min.js:2
ajax @ jquery.min.js:2
(anonymous) @ list:74
现在我是否使用
<input type="text" name="item_meta[121]">
它显示了未定义索引item_meta的错误