【GIS】GeoServer 图例 跨域问题

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<!-- Uncomment following filter to enable CORS-->    <filter>         <filter-name>cross-origin</filter-name>         <filter-class>org.eclipse.jetty.servlets.CrossOriginFilter</filter-class>        <init-param>            <param-name>chainPreflight</param-name>            <param-value>false</param-value>        </init-param>        <init-param>            <param-name>allowedOrigins</param-name>            <param-value>*</param-value>        </init-param>        <init-param>            <param-name>allowedMethods</param-name>            <param-value>GET,POST,PUT,DELETE,HEAD,OPTIONS</param-value>        </init-param>        <init-param>            <param-name>allowedHeaders</param-name>            <param-value>*</param-value>        </init-param>     </filter>   <filter> <filter-name>httpHeaderSecurity</filter-name> <filter-class>org.apache.catalina.filters.HttpHeaderSecurityFilter</filter-class> <init-param> <param-name>antiClickJackingEnabled</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>antiClickJackingOption</param-name> <param-value>SAMEORIGIN</param-value> </init-param> <async-supported>true</async-supported> </filter> <filter-mapping> <filter-name>httpHeaderSecurity</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>     <context-param>         <param-name>geoserver.xframe.shouldSetPolicy</param-name>         <param-value>true</param-value>     </context-param>     <context-param>         <param-name>geoserver.xframe.policy</param-name>         <param-value>ALLOW-FROM</param-value>     </context-param>