/**
获取设备UUID
@return uuid
*/
+(NSString *)getUUID {
CFUUIDRef uuidRef = CFUUIDCreate(kCFAllocatorDefault);
NSString * strUUID = (NSString *)CFBridgingRelease(CFUUIDCreateString (kCFAllocatorDefault,uuidRef));
strUUID = [strUUID stringByReplacingOccurrencesOfString:@"-" withString:@""];
return strUUID;
}
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