Ios-oc 16 into the 10 OK version __ios

Bluetooth project encountered, the Bluetooth device sent over the data need to handle their own

16-in-turn 10-in-system

+ (NSNumber *) numberhexstring: (NSString *) ahexstring

{

is empty and returns directly.

if (nil = = ahexstring)

{

return nil;

}

Nsscanner * scanner = [Nsscanner scannerwithstring:ahexstring];

unsigned long long longlongvalue;

[Scanner scanhexlonglong:&longlongvalue];

Converts an integer to NSNumber, stores it in an array, and returns.

NSNumber * Hexnumber = [NSNumber numberwithlonglong:longlongvalue];

return hexnumber;

}