页面中拉起QQ聊天

 NSString *sevQQ = [FXAFactory judgeBackString:infoDict[@"qq"]];

        NSString *urlStr = [NSString stringWithFormat:@"mqq://im/chat?chat_type=wpa&uin=%@&version=1&src_type=web&Site=fdfdf&Menu=yes",sevQQ];

        NSURL *url = [NSURL URLWithString:urlStr]; //拉起QQ聊天界面

        [[UIApplication sharedApplication] openURL:url];