ElasticSearch——跨域访问

跨域请求： ES服务器安装部署成功之后 从另外一个域的浏览器访问ES服务器数据，会出现跨域的问题。 抛出错误：No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is therefore not allowed access. The response had HTT

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