NSArry NSData 转换

                

 NSArray *arr1 = [[NSArray alloc]initWithObjects:@"0",@"5",nil];

    NSData *data = [NSKeyedArchiver archivedDataWithRootObject:arr1];

    NSArray *arr2 = [NSKeyedUnarchiver unarchiveObjectWithData:data];


    NSLog(@"->%@",[arr1 objectAtIndex:1]);
    NSLog(@"->%@",[arr2 objectAtIndex:1]);