可变数据删除多个不连续index对象

来源：互联网发布：数据库三个范式编辑：程序博客网时间：2024/05/16 12:57

NSMutableArray *array1 = [NSMutableArrayarrayWithObjects:@"one",@"a", @"two",@"b",@"three", @"four",nil];

NSMutableIndexSet *indexes = [NSMutableIndexSetindexSetWithIndex:1];

[indexes addIndex:3];

[array1 removeObjectsAtIndexes:indexes];

NSLog(@"array: %@", array1);

// 2014-05-15 10:19:16.961 Test[541:60b] array: (

// one,

// two,

// three,

// four

// )

NSMutableString *string = [[NSMutableStringalloc]initWithString:@"0123456789"];

[string deleteCharactersInRange:NSMakeRange(3,4)];

NSLog(@"string%@",string);

//从

[string deleteCharactersInRange:NSMakeRange(0,2)];

NSLog(@"string%@",string);

// 2014-05-15 10:19:16.963 Test[541:60b] string012789

// 2014-05-15 10:19:34.761 Test[541:60b] string2789

NSMutableArray *array = [[NSMutableArrayalloc]initWithObjects:@"0",@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9",@"10",@"11",@"12",@"13",@"14",@"15",@"16",@"17",@"18",@"19",@"20",@"21",@"22",@"23",nil];

NSMutableIndexSet *indexSeta = [NSMutableIndexSetindexSetWithIndexesInRange:NSMakeRange(0,5)];

[indexSeta addIndexesInRange:NSMakeRange(9,4)];

[indexSeta addIndexesInRange:NSMakeRange(18,2)];

[indexSeta addIndexesInRange:NSMakeRange(22,2)];

[array removeObjectsAtIndexes:indexSeta];

NSLog(@"array%@",array);

// 2014-05-15 10:28:28.212 Test[554:60b] array(

// 5,

// 6,

// 7,

// 8,

// 13,

// 14,

// 15,

// 16,

// 17,

// 20,

// 21

// )

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