初级通讯录

#import <Foundation/Foundation.h>
// 1、定义联系人类AddressPerson。实例变量：姓名、性别、电话号码、住址、分组名称。方法：自定义初始化方法（姓名、电话号码）、显示联系人信息
@interface AddressPerson : NSObject
{
    NSString *_name; //姓名
    NSString *_gender; //性别
    NSString *_phoneNumber; //电话号码
    NSString *_address; //地址
    NSString *_groupName; //分组名称
}
//setter and getter
- (void)setName:(NSString *)name;
- (NSString *)name;

- (void)setGender:(NSString *)gender;
- (NSString *)gender;

- (void)phoneNumber:(NSString *)phoneNumber;
- (NSString *)phoneNumber;

- (void)setAddress:(NSString *)address;
- (NSString *)address;

- (void)setGroupName:(NSString *)groupName;
- (NSString *)groupName;
// init method
- (id)initWithName:(NSString *)name gender:(NSString *)gender phoneNumber:(NSString *)phoneNumber address:(NSString *)address groupName:(NSString *)groupName;
//sayHi
- (void)sayHi;
@end

#import "AddressPerson.h"

@implementation AddressPerson
//setter and getter
- (void)setName:(NSString *)name
{
    _name = name;
}
- (NSString *)name
{
    return _name;
}

- (void)setGender:(NSString *)gender
{
    _gender = gender;
}
- (NSString *)gender
{
    return _gender;
}

- (void)phoneNumber:(NSString *)phoneNumber
{
    _phoneNumber = phoneNumber;
}
- (NSString *)phoneNumber
{
    return _phoneNumber;
}

- (void)setAddress:(NSString *)address
{
    _address = address;
}
- (NSString *)address
{
    return _address;
}

- (void)setGroupName:(NSString *)groupName
{
    _groupName = groupName;
}
- (NSString *)groupName
{
    return _groupName;
}
// init method
- (id)initWithName:(NSString *)name gender:(NSString *)gender phoneNumber:(NSString *)phoneNumber address:(NSString *)address groupName:(NSString *)groupName
{
    self = [super init];
    if (self) {
        _name = name;
        _gender = gender;
        _phoneNumber = phoneNumber;
        _address = address;
        _groupName = groupName;
    }
    return self;
}
//sayHi
- (void)sayHi
{
    NSLog(@"name:%@, gender:%@m, phoneNumber:%@, address:%@, groupName:%@", _name, _gender, _phoneNumber, _address, _groupName);
}
@end

#import <Foundation/Foundation.h>
@class AddressPerson;
@interface AddressBook : NSObject
{
    //实例变量可变数组,用来存储所有的联系人
    NSMutableArray *_allPerson;
}
//1.获取所有联系人。
- (NSMutableArray *)allPerson;
//2.可以添加新联系人对象
- (void)addAddressPerson:(AddressPerson *)person;
//3、获取某个分组下的所有联系人。
- (NSMutableArray *)getAllAddressPersonByGroupName:(NSString *)groupName;
//4、根据电话号码搜索联系人。
- (AddressPerson *)getAddressPersonByPhoneNumber:(NSString *)phoneNumber;
//5、获取所有女性联系人
- (NSMutableArray *)getAllGirlAddressPerson;
//6、根据姓名删除联系人
- (void)deleteAddressPersonByName:(NSString *)name;
//7、删除某个分组全部联系人
- (void)deleteAddressPersonByGroupName:(NSString *)groupName;
//8、展示通讯录中所有联系人
- (void)displayAllAddressPersonInfo;
@end

#import "AddressBook.h"
#import "AddressPerson.h"
@implementation AddressBook
//重写从父类继承过来的init初始化方法,在初始化时为数组添加多个联系人.
- (id)init
{
    self = [super init];
    if (self) {
        AddressPerson *chaoQun = [[AddressPerson alloc] initWithName:@"常超群" gender:@"男" phoneNumber:@"383838" address:@"中国" groupName:@"C"];
        AddressPerson *qingCheng = [[AddressPerson alloc] initWithName:@"周青城" gender:@"男" phoneNumber:@"1111111" address:@"大陆" groupName:@"Z"];
        AddressPerson *yanYan = [[AddressPerson alloc] initWithName:@"王艳艳" gender:@"女" phoneNumber:@"333333" address:@"河南" groupName:@"W"];
        AddressPerson *zhangBo = [[AddressPerson alloc] initWithName:@"张博" gender:@"男" phoneNumber:@"4444444" address:@"日本" groupName:@"Z"];
        AddressPerson *duBo = [[AddressPerson alloc] initWithName:@"杜博" gender:@"男" phoneNumber:@"222222" address:@"美国" groupName:@"D"];
        AddressPerson *yuFeng = [[AddressPerson alloc] initWithName:@"赵玉凤" gender:@"女" phoneNumber:@"8888888" address:@"中国" groupName:@"Z"];
        //2.将联系人对象存储在可变数组中
        _allPerson = [[NSMutableArray alloc] initWithObjects:chaoQun, qingCheng, yanYan, zhangBo, duBo, yuFeng, nil];
    }
    return self;
}
//1.获取所有联系人。
- (NSMutableArray *)allPerson
{
    return _allPerson;
}
//2.可以添加新联系人对象
- (void)addAddressPerson:(AddressPerson *)person
{
    //获取姓名
    NSString *name = [person name];
    //获取电话号码
    NSString *phoneNumber = [person phoneNumber];
    //可以添加新联系人对象，如果姓名或电话号码为空，打印添加失败。
    if (!name || !phoneNumber) {
        NSLog(@"联系人添加失败");
    } else {
        [_allPerson addObject:person]; //王力添加到数组中
        NSLog(@"联系人添加成功");
    }
}
//3、获取某个分组下的所有联系人。
- (NSMutableArray *)getAllAddressPersonByGroupName:(NSString *)groupName
{
    //查找整个数组,找到分组为Z的联系人对象,然后添加到另外一个数组中.
    //创建数组存储获取到的联系人,因为分组为Z的联系人可能不止一个.
    NSMutableArray *groupArr = [NSMutableArray arrayWithCapacity:1];
    //对数组allPerson进行快速遍历,查找分组为Z的联系人
    for (AddressPerson *peron in _allPerson) {
        //获取分组名
        NSString *newGroupName = [peron groupName];
        if ([newGroupName isEqualToString:groupName]) {
            [groupArr addObject:peron];
        }
    }
    return groupArr;
}
//4、根据电话号码搜索联系人。
- (AddressPerson *)getAddressPersonByPhoneNumber:(NSString *)phoneNumber
{
    for (AddressPerson *person in _allPerson) {
        NSString *newPhoneNumber = [person phoneNumber];
        if ([newPhoneNumber isEqualToString:phoneNumber]) {
            return person;
        }
    }
    return nil;  //如果不存在返回空
}
//5、获取所有女性联系人
- (NSMutableArray *)getAllGirlAddressPerson
{
    //查找整个数组(所有联系人),找到性别为女的联系人对象,然后添加到另外一个数组中.
    //创建数组存储获取到的联系人,因为性别为女的联系人可能不止一个.所以用数组存储
    NSMutableArray *grilArr = [[NSMutableArray alloc] initWithCapacity:1];
    for (AddressPerson *person in _allPerson) {
        NSString *gender = [person gender]; //获取到性别
        if ([gender isEqualToString:@"女"]) {
            [grilArr addObject:person];
        }
    }
    return grilArr;
}
//6、根据姓名删除联系人
- (void)deleteAddressPersonByName:(NSString *)name
{
    for (int i = 0; i < [_allPerson count];) {
        AddressPerson *person = _allPerson[i];
        NSString *newName = [person name];
        if ([newName isEqualToString:name]) {
            [_allPerson removeObjectAtIndex:i];
        } else {
            i++;
        }
    }
}

//7、删除某个分组全部联系人
- (void)deleteAddressPersonByGroupName:(NSString *)groupName
{
    for (int i = 0; i < [_allPerson count];) {
        AddressPerson *person = _allPerson[i];
        NSString *newGroupName = [person groupName];
        if ([newGroupName isEqualToString:groupName]) {
            [_allPerson removeObjectAtIndex:i];
        } else {
            i++;
        }
    }
}
//8、展示通讯录中所有联系人
- (void)displayAllAddressPersonInfo
{
    for (AddressPerson *person in _allPerson) {
        [person sayHi];
    }
}
@end

#import <Foundation/Foundation.h>
#import "AddressPerson.h"
#import "AddressBook.h"
int main(int argc, const char * argv[])
{

    @autoreleasepool {
        //1.创建一个通讯录对象
        AddressBook *addBook = [[AddressBook alloc] init];
        //2.获取所有联系人
        NSMutableArray *allPerson = [addBook allPerson];
        NSLog(@"%@", allPerson);
        //输出所有联系人信息
        [addBook displayAllAddressPersonInfo];
        //3.添加联系人
        AddressPerson *wangLi = [[AddressPerson alloc] initWithName:@"王力" gender:@"男" phoneNumber:@"0000000" address:@"日本" groupName:@"W"];
        [addBook addAddressPerson:wangLi];
        NSLog(@"添加联系人之后的所有联系人");
        //输出所有联系人信息
        [addBook displayAllAddressPersonInfo];
        //4.获取某个分组下的所有联系人. (获取Z分组下的所有联系人).
        NSMutableArray *groupArr = [addBook getAllAddressPersonByGroupName:@"Z"];
        NSLog(@"%@",groupArr);
        //5.根据电话号码搜索联系人. 搜索电话号码为0000000的联系人
        AddressPerson *person = [addBook getAddressPersonByPhoneNumber:@"0000000"];
        NSLog(@"%@",person);
        //6、获取所有女性联系人.
        NSMutableArray *grilArr = [addBook getAllGirlAddressPerson];
        NSLog(@"%@", grilArr);
        //7、根据姓名删除联系人 查找姓名为王力的学生,然后删除掉
        [addBook deleteAddressPersonByName:@"王力"];
        //8、删除某个分组全部联系人, 删除分组为Z的联系人
        [addBook deleteAddressPersonByGroupName:@"Z"];
        //9、展示通讯录中所有联系人
        NSLog(@"输出所有联系人信息");
        [addBook displayAllAddressPersonInfo];
    }
    return 0;
}