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2014/10/15 ¤U¤È 10:15:28
iphone Programming Glossary: uniquenumbersiOS: How do I generate 8 unique random integers? http://stackoverflow.com/questions/6153550/ios-how-do-i-generate-8-unique-random-integers getRandomInts int amount from int fromInt to int toInt if toInt fromInt 1 amount return nil NSMutableArray uniqueNumbers NSMutableArray alloc init autorelease int r while uniqueNumbers count amount r arc4random toInt fromInt if uniqueNumbers.. if toInt fromInt 1 amount return nil NSMutableArray uniqueNumbers NSMutableArray alloc init autorelease int r while uniqueNumbers count amount r arc4random toInt fromInt if uniqueNumbers containsObject NSNumber numberWithInt r uniqueNumbers addObject.. NSMutableArray alloc init autorelease int r while uniqueNumbers count amount r arc4random toInt fromInt if uniqueNumbers containsObject NSNumber numberWithInt r uniqueNumbers addObject NSNumber numberWithInt r return uniqueNumbers iphone..
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