Tomcat解决跨域问题

在某网站上访问本地Tomcat 8080端口服务，控制台提示“Access to XMLHttpRequest at 'http://localhost:8080/xxx.json' from origin 'http://xxx.com.cn:8090' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.”，这是跨域引起的。

cors error

web.xml文件添加跨域配置

	  CorsFilter
	  org.apache.catalina.filters.CorsFilter
	  
		cors.allowed.origins
		*
	  


	  CorsFilter
	  /*

web.xml

重启Tomcat