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//Ìí¼Ó¼àÌýÕß

NSNotificationCenter *defaultCenter = [NSNotificationCenter defaultCenter];

[defaultCenter addObserver:self selector:@selector(networkDidReceiveMessage:)

name:kJPFNetworkDidReceiveMessageNotification object:nil];

//ÔÚAPP´ò¿ªµÄÇé¿öÏ£¬½ÓÊÕ×Ô¶¨ÒåµÄ·½·¨

- (void)networkDidReceiveMessage:(NSNotification *)notification {

//´¦Àí֪ͨµÄ·½·¨

NSDictionary *userInfo = [notification userInfo];

}