我试图上传一个图片,用js (浏览器)来实现,并得到一个CORS错误:
Access to XMLHttpRequest at 'https://api.imgur.com/3/upload' from origin 'http://localhost:3000' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.但飞行前请求包含Access-Control-Allow-Origin报头:

请求本身:

我错过了什么?这是因为access-control-allow-credentials设置为true
发布于 2021-07-07 20:38:24
据文档 https://api.imgur.com/3/upload说,没有必要的标题,
但在右侧,使用https://api.imgur.com/3/image的curl示例有Access-Control-Allow-Origin头。
然后他们会检查您的引用程序,这意味着如果您处于开发模式(如webpack开发模式使用localhost:8000 ),它将始终返回429 too many request异常。
https://stackoverflow.com/questions/55733271
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