利用block从前后一个页面到前一个页面传值

来源：互联网发布：张无忌武功排名知乎编辑：程序博客网时间：2024/06/01 11:26

- (void)add {    //增加    EditViewController *editVC = [[EditViewController alloc]init];    UINavigationController *navigation = [[UINavigationController alloc]initWithRootViewController:editVC];    [editVC pass:^(Person *person) {        NSString *key = [person.name uppercasePinYinFirstLetter];        if ([self.keyArray containsObject:key]) {            NSMutableArray *array = self.addressDic[key];            [array addObject:person];            [self.tableView reloadData];        } else {            NSMutableArray *array = [NSMutableArray arrayWithCapacity:0];            [array addObject:person];            [self.addressDic setObject:array forKey:key];            [self.keyArray addObject:key];            [self.keyArray sortUsingSelector:@selector(compare:)];            [self.tableView reloadData];        }    }];    [self presentViewController:navigation animated:YES completion:nil];}

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