错误消息很明显，后端不允许使用'Authorization'标头. 在您的后端Laravel应用程序中，您必须设置一个包含以下内容的响应标头:

The errormessage is clear, 'Authorization' header is not allowed by your backend. In your backend Laravel application you have to set a response header containing:

Access-Control-Allow-Headers : 'Content-Type', 'Authorization'

在此处查看更多文档: https ://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Headers

see further documentation here: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Headers