直接上程式碼
web.xml配置如下：

<filter>
        <filter-name>tracingContextFilter</filter-name>
        <filter-class>com.maycur.common.util.web.TracingServletContextFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>tracingContextFilter</filter-name
 
>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <filter>
        <filter-name>CORS</filter-name>
        <filter-class>com.thetransactioncompany.cors.CORSFilter</filter-class>
        <init-param>
            <param-name>cors.allowOrigin</param-name
 
>
            <param-value>*</param-value>
        </init-param>
        <init-param>
            <param-name>cors.supportedMethods</param-name>
            <param-value>GET, POST, HEAD, PUT, DELETE,OPTIONS</param-value>
        </init-param>
        <init-param
 
>
            <param-name>cors.supportedHeaders</param-name>
            <param-value>Accept, Origin, X-Requested-With,tokenId,Content-Type, Last-Modified,lang,entCode,x-form-id
            </param-value>
        </init-param>
        <init-param>
            <param-name>cors.exposedHeaders</param-name>
            <param-value>Set-Cookie</param-value>
        </init-param>
        <init-param>
            <param-name>cors.supportsCredentials</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>CORS</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>