以下是我的代码:
NSArray *myarr = [[NSArray alloc]initWithObjects:@"2",@"13",@"1",@"21",@"300",@"4", nil];
NSSortDescriptor *desc = [[NSSortDescriptor alloc]initWithKey:@"self" ascending:YES];
NSArray *rrrr = [myarr sortedArrayUsingDescriptors:[NSArray arrayWithObject:desc]];
NSLog(@"%@",rrrr);
以下是我的结果:
1,
13,
2,
21,
300,
4
虽然以下是我的预期结果:
1,
2,
4,
13,
21,
300