NSMutableArray *arr1 = [[NSMutableArray alloc]initWithObjects:@"1",@"2",@"3", nil];
NSMutableArray *arr2 = [[NSMutableArray alloc]init];
转换倒叙
arr2 = (NSMutableArray*)[[arr1 reverseObjectEnumerator]allObjects];
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NSMutableArray *arr1 = [[NSMutableArray alloc]initWithObjects:@"1",@"2",@"3", nil];
NSMutableArray *arr2 = [[NSMutableArray alloc]init];
转换倒叙
arr2 = (NSMutableArray*)[[arr1 reverseObjectEnumerator]allObjects];
转载于:https://www.cnblogs.com/qiangzheVSruozhe/p/9895776.html