后端已经容许了跨域,前端依然报跨域错误,研究一下 Access-Control-Allow-Credentials...

即便后端已经容许了跨域,可是前端依然报一个跨域错误。javascript Access to XMLHttpRequest at 'http://localhost/api/admin/authorizations' from origin 'http://localhost:9528' has been blocked by CORS policy: Response to preflight
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