刮刮乐,支持xib
#import "DSLScratchCard.h"
DSLScratchCard *card = [DSLScratchCard scratchCardWithHiddenView:nil
hiddenImage:[UIImage imageNamed:@"RMB.jpg"]
coverColor:[UIColor lightGrayColor]
coverImage:nil];
card.frame = CGRectMake(...);
[self.view addSubview:card];