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在web.xml中配置
<!-- 让jetty支持跨域访问 -->
<filter> <filter-name>cross-origin</filter-name> <filter-class>org.eclipse.jetty.servlets.CrossOriginFilter</filter-class> <init-param> <param-name>allowedOrigins</param-name> <param-value>*</param-value> </init-param> <init-param> <param-name>allowedMethods</param-name> <param-value>GET,POST,HEAD</param-value> </init-param> <init-param> <param-name>allowedHeaders</param-name> <param-value>X-Requested-With,Content-Type,Accept,Origin</param-value> </init-param> </filter> <!-- 此处表示jetty中的所有url都可以支持跨域 --> <filter-mapping> <filter-name>cross-origin</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>转载地址:http://jkmlf.baihongyu.com/