//实现中等难度通讯录。需求： //1、定义联系人类Contact。实例变量：姓名（拼音，首字母大写）、性别、电话号码、住址、分组名称、年龄。方法：自定义初始化方法（姓名、电话号码）、显示联系人信息

import

import “Contact.h”

import “AddressBook.h”

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

@autoreleasepool {

Contact *con1 = [Contact contactWithName:@”Zhangsan” gender:@”man” number:@”123456” address:@”zhengzhou” groupName:@”Z” age:18];

Contact *con2 = [Contact contactWithName:@"Lisi" gender:@"man" number:@"456789" address:@"zhengzhou" groupName:@"L" age:20];

Contact *con3 = [Contact contactWithName:@"Wanger" gender:@"man" number:@"147852" address:@"kaifeng" groupName:@"W" age:21];

Contact *con4 = [Contact contactWithName:@"Chengxu" gender:@"women" number:@"369852" address:@"luoyang" groupName:@"C" age:20];

Contact *con5 = [Contact contactWithName:@"Xiaoxiao" gender:@"women" number:@"951753" address:@"zhengzhou" groupName:@"X" age:18];

Contact *con6 = [Contact contactWithName:@"Bilaoye" gender:@"man" number:@"753869" address:@"zhengzhou" groupName:@"B" age:20];

AddressBook *book = [[AddressBook alloc] init];

//3、可以添加联系人对象，如果姓名或电话号码为空，添加失败。添加联系人到匹配的分组。

[book addContact:con1];

[book addContact:con2];

[book addContact:con3];

[book addContact:con4];

[book addContact:con5];

[book addContact:con6];

[book displayAllContactInfo];

//4、获取某个分组名称下所有联系人，并且按照姓名升序排列。

NSArray *array = [book getPersonForGroupName:@”X”];

NSLog(@”%@”, array);

//5、从通讯录中根据电话号码搜索联系人。

Contact *nArray = [book getContactForNumber:@”123456”];

NSLog(@”%@”, nArray);

//6、获取所有女性的联系人，并且按照年龄的降序排列。

NSArray *girl = [book getPersonForGender:@”women”];

NSLog(@”%@”, girl);

//7、根据姓名删除某个联系人。

[book removeContactForName:@”Zhangsan”];

[book displayAllContactInfo];

// 8、删除某个分组的全部联系人。

[book removeAllContactsForGroupName:@”C”];

[book displayAllContactInfo];

}

return 0;

}

import “AddressBook.h”

import “Contact.h”

@implementation AddressBook

//重写父类继承过来的初始化方法,在初始化的同时,为_allContactDic完成初始化操作.

- (id)init {

self = [super init];

if (self) {

_allContactDic = [NSMutableDictionary dictionaryWithCapacity:1];
}
return self;

}

//添加联系人

- (void)addContact:(Contact *)con {

//获取姓名和电话

NSString *name = [con name];

NSString *number = [con number];

//判断姓名和电话都为空时

if (name == nil || number == nil) {

NSLog(@”添加失败”);

return;

}

//姓名电话都不为空时

//首先获取分组姓名

NSString *gruop = [con groupName];

//获取分组姓名之后,从字典中取出数组

NSMutableArray *conArray = [_allContactDic objectForKey:gruop];

//此时分两种情况,能不能取到conArray

if (conArray == nil) {

//创建数组

conArray = [NSMutableArray arrayWithCapacity:1];

//然后将联系人对象添加到数组中

[conArray addObject:con];

//最后在字典中添加该键值对

[_allContactDic setObject:conArray forKey:gruop];

}else {

//如果键值对已经存在,直接添加

[conArray addObject:con];

}

}

//获得指定分组下得所有联系人,按照联系人姓名升序排序.

- (NSArray )getPersonForGroupName:(NSString )groupName{

//获取指定分组的组名

NSMutableArray *mGroup = _allContactDic[groupName];

//然后按照姓名升序排序

[mGroup sortUsingSelector:@selector(compareByName:)];

//返回该数组

return mGroup;

}

//获取所有女性的联系人，并且按照年龄的降序排列。

- (NSArray )getPersonForGender:(NSString )gender{

NSMutableArray *genderArr = [[NSMutableArray alloc] initWithCapacity:1];

for (NSString *key in _allContactDic) {

NSMutableArray *groupArray = _allContactDic[key];

for (Contact *con in groupArray) {

if ([[con gender] isEqualToString:gender]) {

[genderArr addObject:con];

}
}
}
[genderArr sortUsingSelector:@selector(compareByAge:)];
return genderArr;

}

//从通讯录中根据电话号码搜索联系人。

- (Contact )getContactForNumber:(NSString )number{

for (NSString *key in _allContactDic) {

NSMutableArray *groupNum = _allContactDic[key];

for (Contact *con in groupNum) {

if ([[con number] isEqualToString:number]){

return con;

}

}

}

return nil;

}

//根据姓名删除某个联系人。

- (void)removeContactForName:(NSString *)name{

for (NSString *key in _allContactDic) {
NSMutableArray *nameGroup = _allContactDic[key];
NSMutableArray *tempArray = [NSMutableArray arrayWithArray:nameGroup];
for (Contact *con in tempArray) {
if ([[con name] isEqualToString:name]) {
[nameGroup removeObject:con];
}
}
}

}

//删除某个分组的全部联系人.

- (void)removeAllContactsForGroupName:(NSString *)groupName {

[_allContactDic removeObjectForKey:groupName];

}

//展示所有联系人信息

- (void)displayAllContactInfo {

for (NSString *key in _allContactDic) {
NSArray *contcatArray = _allContactDic[key];
for (Contact *con in contcatArray) {
[con printContactInfo];
}
}

}

@end

import

import “Contact.h”

@implementation Contact

//setter 和 getter 方法

(NSString *)name {

return _name;

}

(NSString *)gender {

return _gender;

}

(NSString *)number {

return _number;

}

(NSString *)address {

return _address;

}

(NSString *)groupName {

return _groupName;

}

(NSInteger)age {

return _age;

}

//自定义初始化

- (id)initWithName:(NSString *)name

gender:(NSString *)gender

number:(NSString *)number

address:(NSString *)address

groupName:(NSString *)groupName

age:(NSInteger)age {

self = [super init];

if (self) {

_name = name;

_gender = gender;

_number = number;

_address = address;

_groupName = groupName;

_age = age;

}

return self;

}

//便利结构器

+ (id)contactWithName:(NSString *)name

gender:(NSString *)gender

number:(NSString *)number

address:(NSString *)address

groupName:(NSString *)groupName

age:(NSInteger)age {

Contact *contact = [[Contact alloc] initWithName:name gender:gender number:number address:address groupName:groupName age:age];
return contact;

}
9215

(NSString *)description {

return [NSString stringWithFormat:@”name = %@, gender = %@, number = %@, address = %@, groupName = %@, age = %ld”, _name, _gender, _number, _address, _groupName, _age];

}

//两个联系人对象比较的方法

//按姓名

- (NSComparisonResult)compareByName:(Contact *)con

{

return [[self name] compare:[con name]];

}

//按年龄

- (NSComparisonResult)compareByAge:(Contact *)con

{

//1.获取年龄

NSInteger age1 = [self age];

NSInteger age2 = [con age];

//// // 2.比较年龄

// if (age1 > age2) {

// return NSOrderedDescending;

// } else if (age1 == age2) {

// return NSOrderedSame;

// } else {

// return NSOrderedAscending;

// }

return -[@(age1) compare:@(age2)];

}

//按联系方式

- (NSComparisonResult)compareByNumber:(Contact *)con

{

return -[[self number] compare:[con number]];

}

//输出联系人信息

- (void)printContactInfo {

NSLog(@”name = %@, gender = %@, number = %@, address = %@, groupName = %@, age = %ld”, _name, _gender, _number, _address, _groupName, _age);

}

@end