NSDictionary和NSArray

// 字典里套数组

NSArray *array1 = @[@"huahau" , @"hehe"];

NSArray *array2 = @[@"xiaobao" , @"liangtao"];

NSDictionary *dic7 = [[NSDictionary alloc] initWithObjectsAndKeys:array1 , @"key1" , array2 , @"key2" , nil];

//        NSLog(@"%@" , dic7);

//拿出字典当中的所有key值

NSArray *keyArray3 = [dic7 allKeys];

//外层for循环控制字典有多少  键值对

for (int i = 0; i < [dic7 count]; i++) {

NSArray *a = [dic7 objectForKey:[keyArray3 objectAtIndex:i]];

// 取每一个小数组里面的元素

for (int j = 0; j < [a count]; j++) {

NSLog(@"%@" , [a objectAtIndex:j]);

}

}

NSLog(@"*********************************");

//数组套字典

//创建两个字典

NSDictionary *dic8 = @{@"key1":@"stu1" , @"key2":@"stu2"};

NSDictionary *dic9 = @{@"key3":@"tea1" , @"key4":@"tea4"};

//创建一个数组存放字典

NSArray *dicArray1 = [[NSArray alloc] initWithObjects:dic8 , dic9 , nil];

//        NSLog(@"%@" , dicArray1);

//循环控制数组个数得到字典

for (int i = 0; i < [dicArray1 count]; i++) {

NSDictionary *d = [dicArray1 objectAtIndex:i];

//根据键值对取出每个字典元素

NSArray *a1 = [d allKeys];

for (int j = 0; j < [d count]; j++) {

//                NSDictionary *dd = [d objectForKey:[a1 objectAtIndex:j]];

//                NSLog(@"%@" , dd);

NSLog(@"%@" , [d objectForKey:[a1 objectAtIndex:j]]);

}

}

NSLog(@"***********************************");

//字典套字典

//创建两个小字典

NSDictionary *dic11 = @{@"k1":@"v1" , @"k2":@"v2"};

NSDictionary *dic12 = @{@"k3":@"v3" , @"k4":@"v4"};

//创建大字典

NSDictionary *dic13 = @{@"key5":dic11 , @"key6":dic12};

//根据键值控制小字典

NSArray *dicArray11 = [dic13 allKeys];

for (int i = 0; i < [dic13 count]; i++) {

NSDictionary *dic14 = [dic13 objectForKey:[dicArray11 objectAtIndex:i]];

//根据每个字典键值得到每个字典值

NSArray *dicArray12 = [dic14 allKeys];

for (int j = 0; j < [dic14 count]; j++) {

NSLog(@"%@" , [dic14 objectForKey:[dicArray12 objectAtIndex:j]]);

}

}

NSLog(@"*************************************");

// 数组里面套数组

//创建一个小数组

NSArray *array111 = @[@"aydcuj" , @"dahgh"];

NSArray *array112 = @[@"ujcdjks" , @"hgahd"];

//创建一个大数组

NSArray *bigArray = [NSArray arrayWithObjects:array111 , array112 , nil];

//控制每个数组

for (int i = 0; i < [bigArray count]; i++) {

NSArray *aaa = [bigArray objectAtIndex:i];

//取出每一个小数组元素

for (int j = 0; j < [aaa count]; j++) {

NSLog(@"%@" , [aaa objectAtIndex:j]);

}

}

NSLog(@"************************************");

//创建24个小数组

NSMutableArray *bigArray1 = [NSMutableArray array];

for (int i = 0; i < 24; i++) {

NSMutableArray *miniArray = [NSMutableArray array];

NSNumber *number = [NSNumber numberWithInt:i];

[miniArray addObject:number];

}