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CORS 如何携带 cookie ​

  1. 后端响应头携带以下字段
Access-Control-Allow-Credentials: true
  1. 前端设置
js
xhr = new XMLHttpRequest();
xhr.withCredentials = true;
xhr.open("GET", url);
xhr.send();
xhr = new XMLHttpRequest();
xhr.withCredentials = true;
xhr.open("GET", url);
xhr.send();