可以在prepareForSegue设置B的属性实现 Objective C code12345678-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender{ BViewController *destination = [segue destinationViewControl……
-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender{ BViewController *destination = [segue destinationViewController]; destination.object = @"aaaaaaaaaaa"; }
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