pragma mark - 比较大小
-
(void)sortContactIdWith:(NSArray *)idArr{
NSArray *sortArray = [[NSArray alloc] initWithObjects:@"1",@"3",@"4",@"7",@"8",@"2",@"6",@"5",@"13",@"15",@"12",@"200",@"28",@"200",@"200" ,nil];
NSNumber * max = [sortArray valueForKeyPath:@"@max.floatValue"];NSLog(@"max-------:%@",max);
}
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