: NSObject - (void)getSIMInfo; @end @implementation SIMCard - (void)getSIMInfo {} @end // 联通 SIM 卡 @interface UnicomSIMCard : SIMCard<SIMCardProtocol> @end @implementation UnicomSIMCard - (void)getSIMInfo *simCard; // 启动手机方法 - (void)launchPhone; @end @implementation Phone - (void)launchPhone { if (self.simCard ) { [self.simCard getSIMInfo]; } } @end // iPhone @interface iPhone : Phone @end // 小米手机 *)simCard; @end @implementation OnePhone - (void)setSimCard:(SIMCard *)simCard { [simCard normalSize
-- <Menu name="SimCardMgmtMenu" title="号卡管理" page="/shop/<em>simcard</em>/index.jsp" /> --> <Menu name