我这辈子都不知道在哪里可以下载javacomm库。本页有下载链接http://www.oracle.com/technetwork/java/index-jsp-141752.html这将我带到一个页面，该页面声明:TheSunDownloadCenterwasdecommissionedonJuly31,2011.CustomerslookingforSundownloadsshouldvisitoneofthefollowingOraclewebsites:OracleE-Delivery(https://edelivery.oracle.com)fordownloadingsep