self.view.backgroundColor = [UIColor colorWithRed:arc4random_uniform(255) / 255.0 green:arc4random_uniform(255)/255.0 blue:arc4random_uniform(255)/255.0 alpha:1];
self.view.backgroundColor = [UIColor colorWithRed:arc4random_uniform(255) / 255.0 green:arc4random_uniform(255)/255.0 blue:arc4random_uniform(255)/255.0 alpha:1];
本文标题:随机颜色生成
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