Access to XMLHttpRequest at 'https://beta.xiaoxiaoqiquan.com/acct/transfers?page=1' from origin 'http://localhost:3000' has been blocked by CORS policy: The 'Access-Control-Allow-Origin' header contains multiple values '*, *', but only one is allowed.
如果遇到如上错误,请仔细检查你的代码,是否是如下代码对同一个接口设置了多次
public void enableCORS(Response response) {
response.header("Access-Control-Allow-Origin", "*");
}
如果不是,请确认是否是代理如Nginx中已经设置了允许跨域,然后代码中又重复设置了。
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