NSArray数组透过kvc得到最大值
NSArray数组通过kvc得到最大值
NSArray *allValues = @[ [NSNumber numberWithInt:20], [NSNumber numberWithInt:36], [NSNumber numberWithInt:84], [NSNumber numberWithInt:11], [NSNumber numberWithInt:28]]; int max = [[allValues valueForKeyPath:@"@max.intValue"] intValue]; int min = [[allValues valueForKeyPath:@"@min.intValue"] intValue];