iphone学习笔记--生成随机的uuid串

puppet_liu

于 2011-08-29 10:30:10 发布

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分类专栏： iPhone 文章标签： iphone

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- (NSString *)uuid{
	CFUUIDRef uuidRef = CFUUIDCreate(nil);
	CFStringRef uuidStringRef = CFUUIDCreateString(nil, uuidRef);
	CFRelease(uuidRef);
	NSString *uuid = [NSString stringWithString:(NSString *)uuidStringRef];
	CFRelease(uuidStringRef);
	return uuid;
}