Tomcat 跨域(9.0.37)
<!-- web.xml --><filter><filter-name>CorsFilter</filter-name><filter-class>org.apache.catalina.filters.CorsFilter</filter-class><init-param><param-name>cors.allowed.origins</param-name><param-value>*</param-value></init-param></filter><filter-mapping><filter-name>CorsFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping>
