问云彩工作人员忽略

EN

Access to XMLHttpRequest at 'https://<domain>.workers.dev/' from origin 'https://<frontend-domain>.dev' 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.

const myHeaders = new Headers();
  myHeaders.set("Access-Control-Allow-Origin", '*');
  myHeaders.set("Access-Control-Allow-Methods", "GET,HEAD,POST,OPTIONS");
  myHeaders.set("Access-Control-Max-Age", "86400",);
  return new Response((emailResponse.ok), {status: 200, headers: myHeaders}) 

this.$axios.$post(
  "https://<domain>.workers.dev/",
  {
    name: this.mailData.name,
    eMail: this.mailData.eMail,
    phone: this.mailData.phone,
    message: this.mailData.message,
  },
  {
    headers: {
      "Content-Type": "application/json",
    },
  }
);