Access to XMLHttpRequest at 'https://facebook.github.io/react-native/movies.json' from origin 'http:/has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin他们
我正在尝试使用google云存储中的可恢复上传url在reactjs中上传blob,但它总是失败,并出现错误"Request failed with status Code308“和"from origin'‘已被CORS策略阻止:请求的资源上不存在'Access-Control-Allow-Origin’头。”const headers