javascript - 如何使用 jquery/ajax 访问响应头

Question

Connection: keep-alive   
Content-Length: 2231  
Content-Type: text/html; charset=utf-8  
Date: Thu, 13 Sep 2018 07:37:46 GMT  
ETag: W/"8b7-XOXhf04O/VM7yxWQ561PEgxRfz8"  
x-auth: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJfaWQiOiI1YjlhMGEyM2Q0NmI3YjFmYTQzNWI4YWIiLCJhY2Nlc3MiOiJhdXRoIiwiaWF0IjoxNTM2ODI0MjY2fQ.SAufAzjP-6vkCoaCSSGKgXTjaP5prHKZ8uFCpZmjllE  
X-Powered-By: Express

在此标头中，我想将 x-auth 令牌存储在一个变量中，以便我可以进一步使用它。我该怎么做？请帮忙

标签： javascriptjquerynode.jsajax

Answer 1

请使用以下代码

$.ajax({
   type: 'GET/POST',
   url:'url',
   data: dataformat,
   success: function(data, status, req){
        alert(req.getResponseHeader('headername'));
   },
   error: function (req, status, error) {
        alert(req.getResponseHeader('headername'));
   }
  });