1.Contact.h

#import <Foundation/Foundation.h>

@interface Contact : NSObject

/**

*  姓名

*/

@property(nonatomic, copy) NSString *name;

/**

*  电话号码

*/

@property(nonatomic, copy) NSString *phoneNumber;

/**

*  分组名称

*/

@property(nonatomic, copy) NSString *groupName;

- (instancetype)initWithName:(NSString *)name PhoneNumber:(NSString *)phoneNumber;

+ (instancetype)contactWithName:(NSString *)name PhoneNumber:(NSString *)phoneNumber;

- (void)showInfo;

   @end

2.Contact.m

#import "Contact.h"

@implementation Contact

#pragma mark 重写dealloc

- (void)dealloc

{

[_name release];

[_phoneNumber release];

[_groupName release];

[super dealloc];

NSLog(@"contact对象已释放!");

}

#pragma mark 初始化方法

- (instancetype)initWithName:(NSString *)name PhoneNumber:(NSString *)phoneNumber

{

self = [super init];

if (self)

{

//初始化过程中直接将姓名首字母大写,规范格式

_name = [name capitalizedString];

_phoneNumber = phoneNumber;

//直接将分组名设置为首字母

_groupName  = [_name substringToIndex:1];

}

return self;

}

#pragma mark 遍历构造器

+ (instancetype)contactWithName:(NSString *)name PhoneNumber:(NSString *)phoneNumber

{

return [[[Contact alloc] initWithName:name PhoneNumber:phoneNumber] autorelease];

}

#pragma mark 显示联系人信息

- (void)showInfo

{

NSLog(@"%@-%@", self.name, self.phoneNumber);

}

@end

3.ContactBook.h

#import#import "Contact.h"

@interface ContactBook : NSObject

/**

*  联系人字典

*/

@property(nonatomic, retain) NSMutableDictionary *contactDic;

- (void)showContactInfo;

- (void)addNewContact;

- (void)removeContactByName;

- (void)removeContactByPhoneNumber;

- (void)removeAllGroup;

- (void)searchByName;

- (void)searchByPhoneNumber;

- (void)sortByNameAscending;

@end

4.Contact.m

#import "ContactBook.h"

@implementation ContactBook

#pragma mark 重写init

- (instancetype)init

{

self = [super init];

if (self)

{

//在init中进行字典的初始化过程,可以让程序更好的封装

//1.定义可变数组allKey接收26个大写英文字母

NSMutableArray *allKey = [NSMutableArray array];

//2.定义可变数组allValue接收26个存储在对应key下的存储联系人的数组

NSMutableArray *allValue = [NSMutableArray array];

for (NSInteger i = 65; i < 91; i++)

{

//此处通过format这个万能公式将长整形i转化为字符类型,将26个字母存入allKey数组(此处操作会出现编译警告,暂时没想出其他的方法)

[allKey addObject:[NSString stringWithFormat:@"%c",i]];

//此处将26个空数组放入allValue

[allValue addObject:[NSMutableArray array]];

}

//通过allKey和allValue为存储字典赋值

_contactDic = [NSMutableDictionary dictionaryWithObjects:allValue forKeys:allKey];

}

//用来检测字典是否创建成功,正式运行时可注释

NSLog(@"%@", _contactDic);

return self;

}

#pragma mark 显示通讯录联系人信息

- (void)showContactInfo

{

//用来进行计数

NSInteger count = 0;

//对字典进行循环

for (NSString *str in self.contactDic)

{

//对每个key对应的数组进行遍历,输出联系人

for (Contact *contact in [self.contactDic objectForKey:str])

{

NSLog(@"%@-%@", contact.name, contact.phoneNumber);

count ++;

}

}

//如果flag等于0则说明26个数组全为空

if (count == 0)

{

//输出通讯录为空

printf("通讯录为空!\n");

}

else

{

NSLog(@"输出结束,总共%ld个联系人!", count);

}

}

#pragma mark 添加联系人

- (void)addNewContact

{

char name[30];

printf("请输入联系人姓名:");

scanf("%s", name);

char phoneNumber[30];

printf("请输入联系人电话号码:");

scanf("%s", phoneNumber);

//通过NSString的方法将用户输入字符串转换为对象

NSString *s_name        = [NSString stringWithUTF8String:name];

NSString *s_phoneNumber = [NSString stringWithUTF8String:phoneNumber];

//用s_name和s_phoneNumber新建联系人

Contact *newContact = [Contact contactWithName:s_name PhoneNumber:s_phoneNumber];

//通过分组名称找到对应数组将联系人添加进数组

[[self.contactDic objectForKey:[newContact groupName]] addObject:newContact];

printf("添加成功!\n");

NSLog(@"%@", self.contactDic);

}

#pragma mark 通过姓名删除联系人

- (void)removeContactByName

{

NSInteger count = 0;

char name[30];

printf("请输入要删除的联系人姓名:");

scanf("%s", name);

NSString *s_name = [[NSString stringWithUTF8String:name] capitalizedString];

NSString *s_groupName = [s_name substringToIndex:1];

//接收groupName对应的目标数组

NSMutableArray *targetArray = [self.contactDic objectForKey:s_groupName];

for (Contact *contact in targetArray)

{

if ([contact.name isEqualToString: s_name])

{

[targetArray removeObject:contact];

count ++;

printf("删除成功!\n");

}

}

//如果没有删除到联系人则显示无此联系人

if (count == 0)

{

printf("无此联系人!\n");

}

}

#pragma mark 通过电话号码删除联系人

- (void)removeContactByPhoneNumber

{

NSInteger count = 0;

char phoneNumber[30];

printf("请输入联系人电话号码:");

scanf("%s", phoneNumber);

NSString *s_phoneNumber = [NSString stringWithUTF8String:phoneNumber];

for (NSString *str in self.contactDic)

{

NSMutableArray *targetArray = [self.contactDic objectForKey:str];

for (Contact *contact in targetArray)

{

if ([contact.phoneNumber isEqualToString:s_phoneNumber])

{

[targetArray removeObject:contact];

printf("删除成功!\n");

count ++;

}

}

[targetArray release];

}

//如果没有删除到联系人则显示无此联系人

if (count == 0)

{

printf("此电话号码不在通讯录中!\n");

}

}

#pragma mark 删除分组

- (void)removeAllGroup

{

char groupName[30];

printf("请输入分组字母:");

scanf("%s", groupName);

NSString *s_groupName = [[NSString stringWithUTF8String:groupName] capitalizedString];

//如果输入字符过多则返回输入有误

if (s_groupName.length > 1)

{

printf("输入有误!");

}

else if ((groupName[0] >= 'a' && groupName[0] <= 'z') || (groupName[0] >= 'A' && groupName[0] <= 'Z'))

{

[self.contactDic removeObjectForKey:s_groupName];

printf("删除成功!\n");

}

}

#pragma mark 按照姓名查找

- (void)searchByName

{

NSInteger count = 0;

char name[30];

printf("请输入要删除的联系人姓名:");

scanf("%s", name);

NSString *s_name = [[NSString stringWithUTF8String:name] capitalizedString];

NSString *s_groupName = [s_name substringToIndex:1];

//接收groupName对应的目标数组

NSMutableArray *targetArray = [self.contactDic objectForKey:s_groupName];

for (Contact *contact in targetArray)

{

if ([contact.name isEqualToString: s_name])

{

[contact showInfo];

}

}

//如果没有删除到联系人则显示无此联系人

if (count == 0)

{

printf("无此联系人!\n");

}

[s_groupName release];

[targetArray release];

}

#pragma mark 按电话号码查找

- (void)searchByPhoneNumber

{

NSInteger count = 0;

char phoneNumber[30];

printf("请输入联系人电话号码:");

scanf("%s", phoneNumber);

NSString *s_phoneNumber = [NSString stringWithUTF8String:phoneNumber];

for (NSString *str in self.contactDic)

{

NSMutableArray *targetArray = [self.contactDic objectForKey:str];

for (Contact *contact in targetArray)

{

if ([contact.phoneNumber isEqualToString:s_phoneNumber])

{

[contact showInfo];

}

}

[targetArray release];

}

//如果没有删除到联系人则显示无此联系人

if (count == 0)

{

printf("此电话号码不在通讯录中!\n");

}

}

#pragma mark 按照姓名升序排序

- (void)sortByNameAscending

{

NSSortDescriptor *desName = [[NSSortDescriptor alloc] initWithKey:@"name" ascending:1];

for (NSString *str in self.contactDic)

{

//进行排序

NSMutableArray *targetArr = [self.contactDic objectForKey:str];

[targetArr sortUsingDescriptors:@[desName]];

//输出排序结果

for (Contact *contact in targetArr)

{

[contact showInfo];

}

[targetArr release];

}

[desName release];

}

@end

5.main.m

#import <Foundation/Foundation.h>

#import "Contact.h"

#import "ContactBook.h"

int main(int argc, const char * argv[])

{

@autoreleasepool

{

ContactBook *myContactBook = [[ContactBook alloc] init];

while (YES)

{

printf("-----------------------------\n");

printf("------------通讯录------------\n");

printf("------1.查看通讯全部联系人------\n");

printf("------2.添加联系人-------------\n");

printf("------3.删除联系人-------------\n");

printf("------4.查找联系人-------------\n");

printf("------5.对联系人进行排序--------\n");

printf("------6.退出------------------\n");

printf("-----------------------------\n");

//提示用户输入操作代码

NSInteger userNumber = 0;

printf("请输入您要进行的操作:");

scanf("%ld", &userNumber);

//运用switch语句进行分支功能的执行

switch (userNumber)

{

case 1:

{

[myContactBook showContactInfo];

}

break;

case 2:

{

[myContactBook addNewContact];

}

break;

case 3:

{

BOOL b = YES;

while (b)

{

printf("-----------------------------\n");

printf("--------1.通过姓名删除---------\n");

printf("--------2.通过号码删除---------\n");

printf("--------3.删除整个分组---------\n");

printf("--------4.返回上级菜单---------\n");

printf("-----------------------------\n");

NSInteger Num = 0;

printf("请输入操作代码:");

scanf("%ld", &Num);

switch (Num) {

case 1:

{

[myContactBook removeContactByName];

}

break;

case 2:

{

[myContactBook removeContactByPhoneNumber];

}

break;

case 3:

{

[myContactBook removeAllGroup];

}

break;

case 4:

{

b = NO;

break;

}

break;

default:

{

printf("输入有误!\n");

break;

}

break;

}

}

}

break;

case 4:

{

BOOL b = YES;

while (b)

{

printf("-----------------------------\n");

printf("--------1.通过姓名查找---------\n");

printf("--------2.通过号码查找---------\n");

printf("--------3.返回上级菜单---------\n");

printf("-----------------------------\n");

NSInteger Num = 0;

printf("请输入操作代码:");

scanf("%ld", &Num);

switch (Num) {

case 1:

{

[myContactBook searchByName];

}

break;

case 2:

{

[myContactBook searchByPhoneNumber];

}

break;

case 3:

{

b = NO;

break;

}

break;

default:

{

printf("输入有误!\n");

break;

}

break;

}

}

}

break;

case 5:

{

[myContactBook sortByNameAscending];

}

break;

case 6:

{

return 0;

}

break;

default:

break;

}

}

}

return 0;

}