ios - What encoding should I use to encode temperautre symbol in my iOS development？

Question

char symbol[] = {0xa1,0xe3};  //temperatue symbol code

NSString *degree = [NSString stringWithCString:symbol encoding:NSASCIIStringEncoding];

//when "degree" displayed on screen,messy code.

what kind of encoding should i use ? It seems that NSASCIIStringEncoding doesn't work.

or any other methods can helps to solove it?

Answer 1