+ (NSNumber *) numberHexString:(NSString *)aHexString { // 为空,直接返回. if (nil == aHexString) { return nil; } NSScanner * scanner = [NSScanner scannerWithString:aHexString]; unsigned long long longlongValue; [scanner scanHexLongLong:&longlongValue]; //将整数转换为NSNumber,存储到数组中,并返回. NSNumber * hexNumber = [NSNumber numberWithLongLong:longlongValue]; return hexNumber; }
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