Tomcat CORS跨域配置Tomcat CORS跨域配置说明官方链接修改Tomcat的conf目录下的Web.xml对于所有项目生效修改项目文件夹WEB-INF下的Web.xml则只对该项目起作用。filter filter-nameCorsFilter/filter-name filter-classorg.apache.catalina.filters.CorsFilter/filter-class init-param param-namecors.allowed.origins/param-name param-value*/param-value /init-param /filter filter-mapping filter-nameCorsFilter/filter-name url-pattern/*/url-pattern /filter-mapping