CORS解决跨域访问问题

 <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</param-value>

       </init-param>

       <init-param>

        <param-name>cors.supportedHeaders</param-name>

           <param-value>Accept, Origin, X-Requested-With, Content-Type, Last-Modified</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>