OC之实现中级通讯录

//  Contact.h
#import <Foundation/Foundation.h>
//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.
@interface Contact : NSObject
{
    NSString *_name;
    NSString *_gender;
    NSString *_number;
    NSString *_place;
    NSString *_group;
    NSInteger _age;
    
}
//setter姓名
-(void)setName:(NSString *)name;
//getter
- (NSString *)name;
//setter性别
- (void)setGender:(NSString *)gender;
//getter
- (NSString *)gender;
//setter电话号码
- (void)setNumber:(NSString *)number;
//getter
- (NSString *)number;
//setter住址
- (void)setPlace:(NSString *)place;
//getter
- (NSString *)place;
//setter分组
- (void)setGroup:(NSString *)group;
//getter
- (NSString *)group;
//setter年龄
- (void)setAge:(NSInteger)age;
//getter
- (NSInteger)age;

//初始化
- (id)initWithName:(NSString *)name  number:(NSString *)number;
//便利构造
+ (id)ContactWithName:(NSString *)name  number:(NSString *)number;
- (void)displayContactInfo;
//告诉外界,该方法子类已经重写了.
- (NSString *)description;
//两个联系人对象比较的方法
//按姓名
- (NSComparisonResult)compareByName:(Contact *)addContact;
//按年龄
- (NSComparisonResult)compareByAge:(Contact *)addContact;
//按联系方式
- (NSComparisonResult)compareByPhoneNumber:(Contact *)addContact;
@end

//
//  Contact.m


#import "Contact.h"

@implementation Contact
//setter姓名
-(void)setName:(NSString *)name{
    _name = name;
    
}
//getter
- (NSString *)name{
    return _name;
    
}
//setter性别
- (void)setGender:(NSString *)gender{
    _gender = gender;
    
}
//getter
- (NSString *)gender{
    return _gender;
    
}
//setter电话号码
- (void)setNumber:(NSString *)number{
    _number = number;
    
}
//getter
- (NSString *)number{
    return _number;
    
}
//setter住址
- (void)setPlace:(NSString *)place{
    _place = place;
    
}
//getter
- (NSString *)place{
    return _place;
    
}
//setter分组
- (void)setGroup:(NSString *)group{
    _group = group;
    
}
//getter
- (NSString *)group{
    return _group;
    
}
//setter年龄
- (void)setAge:(NSInteger)age{
    _age = age;
    
}
//getter
- (NSInteger)age{
    return _age;
    
}



- (id)initWithName:(NSString *)name  number:(NSString *)number {
    self = [super init];
    if (self) {
        _name = name;
        
        _number = number;
        
        
    }
    return self;
}
//便利构造
+ (id)ContactWithName:(NSString *)name  number:(NSString *)number {
    Contact *c = [[Contact alloc] initWithName:name  number:number];
    return c;
}
- (void)displayContactInfo
{
    NSLog(@"name:%@,gender:%@,number:%@,age:%ld", _name, _gender, _number, _age);
}

//重写从父类继承过来的description方法
//当通过%@打印一个当前对象时,就会调用该方法.
- (NSString *)description
{
    //    return [NSString stringWithFormat:@"<%@: %p>", [self class], self];
    return [NSString stringWithFormat:@"name:%@,gender:%@,number:%@,age:%ld", _name, _gender, _number, _age];
}


//两个联系人对象比较的方法
//按姓名
- (NSComparisonResult)compareByName:(Contact *)addContact
{
    return [[self name] compare:[addContact name]];
}
//按年龄
- (NSComparisonResult)compareByAge:(Contact *)addContact
{
    //1.获取年龄
    NSInteger age1 = [self age];
    NSInteger age2 = [addContact 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)compareByPhoneNumber:(Contact *)addContact
{
    return -[[self number] compare:[addContact number]];
}
@end

//
//  Contact.m



#import "Contact.h"

@implementation Contact
//setter姓名
-(void)setName:(NSString *)name{
    _name = name;
    
}
//getter
- (NSString *)name{
    return _name;
    
}
//setter性别
- (void)setGender:(NSString *)gender{
    _gender = gender;
    
}
//getter
- (NSString *)gender{
    return _gender;
    
}
//setter电话号码
- (void)setNumber:(NSString *)number{
    _number = number;
    
}
//getter
- (NSString *)number{
    return _number;
    
}
//setter住址
- (void)setPlace:(NSString *)place{
    _place = place;
    
}
//getter
- (NSString *)place{
    return _place;
    
}
//setter分组
- (void)setGroup:(NSString *)group{
    _group = group;
    
}
//getter
- (NSString *)group{
    return _group;
    
}
//setter年龄
- (void)setAge:(NSInteger)age{
    _age = age;
    
}
//getter
- (NSInteger)age{
    return _age;
    
}



- (id)initWithName:(NSString *)name  number:(NSString *)number {
    self = [super init];
    if (self) {
        _name = name;
        
        _number = number;
        
        
    }
    return self;
}
//便利构造
+ (id)ContactWithName:(NSString *)name  number:(NSString *)number {
    Contact *c = [[Contact alloc] initWithName:name  number:number];
    return c;
}
- (void)displayContactInfo
{
    NSLog(@"name:%@,gender:%@,number:%@,age:%ld", _name, _gender, _number, _age);
}

//重写从父类继承过来的description方法
//当通过%@打印一个当前对象时,就会调用该方法.
- (NSString *)description
{
    //    return [NSString stringWithFormat:@"<%@: %p>", [self class], self];
    return [NSString stringWithFormat:@"name:%@,gender:%@,number:%@,age:%ld", _name, _gender, _number, _age];
}


//两个联系人对象比较的方法
//按姓名
- (NSComparisonResult)compareByName:(Contact *)addContact
{
    return [[self name] compare:[addContact name]];
}
//按年龄
- (NSComparisonResult)compareByAge:(Contact *)addContact
{
    //1.获取年龄
    NSInteger age1 = [self age];
    NSInteger age2 = [addContact 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)compareByPhoneNumber:(Contact *)addContact
{
    return -[[self number] compare:[addContact number]];
}
@end

//
//  ContactBook.m


#import "ContactBook.h"
#import "Contact.h"

@implementation ContactBook
//初始化
-(id)init{
    if (self) {
        //_alloContactDic = [NSMutableDictionary dictionaryWithCapacity:1];
        Contact *contact1 = [[Contact alloc] initWithName:@"Wangzhao" number:@"18203662931"];
        [contact1 setPlace:@"Xinyang"];
        [contact1 setGroup:@"family"];
        [contact1 setGender:@"man"];
        [contact1 setAge:24];
        
        Contact *contact2 = [[Contact alloc] initWithName:@"Gaoxingxing" number:@"15136423050"];
        [contact2 setPlace:@"handan"];
        [contact2 setGroup:@"family"];
        [contact2 setGender:@"women"];
        [contact2 setAge:23];
        Contact *contact3 = [[Contact alloc]  initWithName:@"Wyy" number:@"17036733150"];
        [contact3 setPlace:@"anqing"];
        [contact3 setGroup:@"student"];
        [contact3 setGender:@"man"];
        [contact3 setAge:22];
        Contact *contact4 = [[Contact alloc]  initWithName:@"Wangxiaolin" number:@"18203658955"];
        [contact4 setPlace:@"xinyang"];
        [contact4 setGroup:@"student"];
        [contact4 setGender:@"man"];
        [contact4 setAge:26];
        Contact *contact5 = [[Contact alloc] initWithName:@"Xuedongli" number:@"18203659413"];
        [contact5 setPlace:@"henan"];
        [contact5 setGroup:@"teacher"];
        [contact5 setGender:@"man"];
        [contact5 setAge:28];
        //创建分组, 分别管理改组内的联系人
        NSMutableArray *fGroupArr = [NSMutableArray arrayWithObjects:contact1,contact2, nil];
        NSMutableArray *sGroupArr = [NSMutableArray arrayWithObjects:contact3,contact4, nil];
        NSMutableArray *tGroupArr = [NSMutableArray arrayWithObject:contact5];
        //创建可变字典, 管理班级的所有分组, 每个分组管理组内的联系人
        _alloContactDic = [[NSMutableDictionary alloc] initWithObjectsAndKeys:fGroupArr, @"F", sGroupArr, @"S", tGroupArr, @"T",  nil];
        
    }
    return self;
}
//获取所有分组
- (NSMutableDictionary *)allContactDic{
    return _alloContactDic;
    
    
}
//添加联系人
- (BOOL)addContact:(Contact *)addContact{
    //1.判断姓名以及联系方式是否为空
    NSString *name = [addContact name];
    NSString *number = [addContact number];
    if (!name || ![name length] || !number || ![number length]) {
        return NO;
    } else {
        //添加到对应的分组中
        //(1)获取到姓名首字母
        NSString *firstCharac = [name substringToIndex:1];
        //(2)根据key 从字典中取出对应的分组
        NSMutableArray *groupArr = _alloContactDic[firstCharac];
        //(3)判断是否成功从字典中取到key对应的数组
        if (!groupArr) {
            //如果没有数组,就创建数组.
            groupArr = [NSMutableArray arrayWithCapacity:1];
            //将key以及value添加到字典中
            [_alloContactDic setObject:groupArr forKey:firstCharac];
        }
        [groupArr addObject:addContact];
        return YES;
    }
}//获得指定分组下所有联系人, 按照联系人姓名升序排列
- (NSMutableArray *)allContactWithNameAscendingByGroup:(NSString *)group{
    //key对应的数组就存储着该组下所有的联系人.
    NSMutableArray *fGroup = _alloContactDic[group];
    //按照联系人姓名升序排列
    [fGroup sortedArrayUsingSelector:@selector(compareByName:)];
    return fGroup;
    
}
//获取所有女性联系人, 并且按照年龄的降序排列
- (NSMutableArray *)allGrilcontactsAgeDescending{
    //获取所有联系人, 并且按照年龄的降序排列
    NSMutableArray *girlArr = [[NSMutableArray alloc] initWithCapacity:1];
    for (NSString *key in _alloContactDic) {
        NSMutableArray *groupArr = _alloContactDic[key];
        for (Contact *contact in groupArr) {
            if ([[contact gender] isEqualToString:@"girl"]) {
                //查找到女性联系人之后,将联系人添加到女性数组中.
                [girlArr addObject:contact];
            }
        }
    }
    [girlArr sortUsingSelector:@selector(compareByAge:)];
    return girlArr;
}
//按照年龄降序排

 //从通讯录中根据电话号码搜索联系人
- (Contact *)getContactByNumber:(NSString *)number{
    //1.先获取联系人所在的数组
    for (NSString *key in _alloContactDic) {
        //根据key获取对应的数组.
        NSMutableArray *groupArr = _alloContactDic[key];
        //遍历到数组中的联系人
        for (Contact *contact in groupArr) {
            if ([[contact number] isEqualToString:number]) {
                return contact;
            }
        }
    }
    return nil;
}

//根据姓名删除某个联系人
- (void)removeContactByName:(NSString *)name{
   
    
    
        //(1)获取所在分组名称
        NSString *groupName = [name substringToIndex:1];
        //(2)获取key -- 数组
        NSMutableArray *group = _alloContactDic[groupName];
        for (int i = 0; i < [group count]; i++) {
            Contact *contact = group[i];
            if ([[contact name] isEqualToString:@"ChangChaoQun"]) {
                //如果和指定名字相同,则从数组中移除对应的元素.
                [group removeObjectAtIndex:i];
                break;
            }
        }
    }

//删除某个分组的全部联系人
- (void)removeAllContactsByGroup:(NSString *)group{
    [_alloContactDic removeObjectForKey:group];
    
}
//输出所有联系人
- (void)displayAllAddContactInfo{
    NSLog(@"allContactInfo = %@", _alloContactDic);
}



@end

//
//  main.m


#import <Foundation/Foundation.h>
#import "Contact.h"
#import "ContactBook.h"

int main(int argc, const char * argv[]) {
    @autoreleasepool {
       
        
        
        
    //2.在main.m中定义字典, 分组管理所有联系人. 分组名为26个大写的英文字母.
               
        //创建通讯录对象
        ContactBook *lanou12 = [[ContactBook alloc] init];
        //添加联系人
        Contact *frank = [[Contact alloc] initWithName:@"Wangluodan" number:@"18839732932"];
        BOOL isSuccess = [lanou12 addContact:frank];
        NSLog(@"%d", isSuccess);
        [lanou12 displayAllAddContactInfo];
        //获得指定分组下得所有联系人,按照联系人姓名升序排序.
        NSMutableArray *fGroupArr = [lanou12 allContactWithNameAscendingByGroup:@"W"];
        NSLog(@"%@", fGroupArr);
        //获取所有女性的联系人，并且按照年龄的降序排列。
        NSMutableArray *girlArr = [lanou12 allGrilcontactsAgeDescending];
        NSLog(@"%@", girlArr);
        //从通讯录中根据电话号码搜索联系人。
        Contact *contact = [lanou12 getContactByNumber:@"13838389438"];
        NSLog(@"contact = %@", contact);
        //删除姓名为Wangzhao的联系人
        [lanou12 removeContactByName:@"Wangzhao"];
        [lanou12 displayAllAddContactInfo];
        //删除f分组下得所有联系人
        [lanou12 removeAllContactsByGroup:@"F"];
        [lanou12 displayAllAddContactInfo];
        
        
        
        
        
    }
    return 0;
}