apache跨域问题

<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>qexweb.stg</param-value> -->

            <param-value>*</param-value>

        </init-param>

        <init-param>

            <param-name>cors.allowed.methods</param-name>

            <param-value>GET,POST,HEAD,OPTIONS,PUT</param-value>

        </init-param>

        <init-param>

            <param-name>cors.allowed.headers</param-name>

            <param-value>Content-Type,X-Requested-With,accept,Origin,Access-Control-Request-Method,Access-Control-Request-Headers</param-value>

        </init-param>

        <init-param>

            <param-name>cors.exposed.headers</param-name>

            <param-value>Access-Control-Allow-Origin,Access-Control-Allow-Credentials</param-value>

        </init-param>

    </filter>

    <filter-mapping>

        <filter-name>CorsFilter</filter-name>

        <url-pattern>/*</url-pattern>

    </filter-mapping>