iOS学习之Object-C语言简单的通讯录管理系统

#import <Foundation/Foundation.h>

@interface Contact : NSObject

@property (nonatomic, retain) NSString *name;
@property (nonatomic, retain) NSString *gender;
@property (nonatomic, retain) NSString * phoneNum;
@property (nonatomic, retain) NSString *address;
@property (nonatomic, retain) NSString *groupName;
@property (nonatomic, assign) NSInteger age;


// 初始化方法
- (instancetype)initWithName:(NSString *)name
                      gender:(NSString *)gender
                    phoneNum:(NSString *)phoneNum
                         age:(NSInteger)age;

// 构造器
+(instancetype)contactWithName:(NSString *)name
                        gender:(NSString *)gender
                      phoneNum:(NSString *)phoneNum
                           age:(NSInteger)age;

// 显示联系人信息
- (void)showInformation;

@end

#import "Contact.h"

@implementation Contact
// 初始化方法
- (instancetype)initWithName:(NSString *)name
                      gender:(NSString *)gender
                    phoneNum:(NSString *)phoneNum
                         age:(NSInteger)age {
    self = [super init];
    if (self) {
        _name = name;
        _gender = gender;
        _phoneNum = phoneNum;
        _age = age;
    }
    return self;
}

// 构造器
+(instancetype)contactWithName:(NSString *)name
                        gender:(NSString *)gender
                      phoneNum:(NSString *)phoneNum
                           age:(NSInteger)age {
    return [[Contact alloc] initWithName:name gender:gender phoneNum:phoneNum age:age];
}

// 显示联系人信息
- (void)showInformation {
    NSLog(@"name = %@, gender = %@, phoneNum = %@, age = %ld", _name, _gender, _phoneNum, _age);
}

- (NSString *)description
{
    return [NSString stringWithFormat:@"name = %@, gender = %@, phoneNum = %@, age = %ld", _name, _gender, _phoneNum, _age];
}
@end

#import <Foundation/Foundation.h>
@class Contact;
@interface AddressBook : NSObject

@property (nonatomic, retain)NSMutableDictionary *addressBook;

// 添加联系人对象
- (void)addContact:(Contact *)contact;

// 获取某个分组名称下所有联系人，并且按照姓名升序排列
- (void)groupContactsByNameSortDes:(NSString *)groupName;

// 从通讯录中根据电话号码搜索联系人
- (void)findContactByPhoneNum:(NSString *)phoneNum;

// 获取所有女性的联系人，并且按照年龄的降序排列
- (void)womanContactsByAgeSortAsc:(NSString *)gender;

// 根据姓名删除某个联系人。
- (void)deleteContactByName:(NSString *)name;

// 删除某个分组全部联系人
- (void)deleteAllContactByGroup:(NSString *)groupName;

// 打印联系人
- (void)printContacts;
@end

#import "AddressBook.h"
#import "Contact.h"
@implementation AddressBook

// 初始化
- (instancetype)init
{
    self = [super init];
    if (self) {
        _addressBook = [[NSMutableDictionary alloc] init];
        for (int i = 65; i < 91; i++) {
            char c = i;
            // 为字典添加键值对
            NSString *strKey = [NSString stringWithFormat:@"%c", c];
            [_addressBook setObject:[NSMutableArray array] forKey:strKey];
        }
    }
    return self;
}

// 添加联系人对象
- (void)addContact:(Contact *)contact {
    // 如果姓名或电话号码为空，添加失败
    if ([contact.name isEqualToString:@""] || [contact.phoneNum isEqualToString:@""]) {
        NSLog(@"添加失败");
        return;
    }
    // 添加联系人到匹配的分组，以联系人姓名首字母当做分组方式。
    contact.groupName = [[contact.name capitalizedString] substringToIndex:1];
    // 联系人分组即为键值，通过键值得到字典的值传入数组
    NSMutableArray *arrContact = [_addressBook objectForKey:contact.groupName];
    // 将联系人信息传入数组
    [arrContact addObject:contact];
    NSLog(@"添加成功！");

}

// 获取某个分组名称下所有联系人，并且按照姓名升序排列
- (void)groupContactsByNameSortDes:(NSString *)groupName {
    NSMutableArray *arrGroup = [_addressBook objectForKey:groupName];
    NSSortDescriptor *sortByName = [[NSSortDescriptor alloc] initWithKey:@"name" ascending:YES];
    [arrGroup sortedArrayUsingDescriptors:@[sortByName]];
    NSLog(@"姓名升序排序成功！");
    NSLog(@"%@", arrGroup);
}

// 从通讯录中根据电话号码搜索联系人
- (void)findContactByPhoneNum:(NSString *)phoneNum {
    for (NSArray *key in _addressBook) {
        NSMutableArray *findArray = _addressBook[key];
        for (Contact *targetContact in findArray) {
            if ([targetContact.phoneNum isEqualToString:phoneNum]) {
                NSLog(@"搜索成功！");
                NSLog(@"%@", targetContact);
            }
        }
    }
}

// 获取所有女性的联系人，并且按照年龄的降序排列
- (void)womanContactsByAgeSortAsc:(NSString *)gender {
    NSMutableArray *arrGender = [NSMutableArray array];
    for (NSArray *woman in _addressBook) {
        NSMutableArray *womanArray = _addressBook[woman];
        for (Contact *womanContact in womanArray) {
            if ([womanContact.gender isEqualToString:gender]) {
                [arrGender addObject:womanContact];
            }
        }
    }
    NSSortDescriptor *sortByAge = [[NSSortDescriptor alloc] initWithKey:@"age" ascending:NO];
    [arrGender sortedArrayUsingDescriptors:@[sortByAge]];
    NSLog(@"年龄的降序排序成功");
    NSLog(@"%@", arrGender);
}

// 根据姓名删除某个联系人。
- (void)deleteContactByName:(NSString *)name {
    for (NSArray *delete in _addressBook) {
        NSMutableArray *arrayDelete = _addressBook[delete];
        for (Contact *deleteContact in arrayDelete) {
            if ([deleteContact.name isEqualToString:name]) {
                [arrayDelete removeObject:deleteContact];
            }
        }
    }
    NSLog(@"移除成功");
}

// 删除某个分组全部联系人
- (void)deleteAllContactByGroup:(NSString *)groupName {
    NSLog(@"删除成功！");
    [_addressBook setObject:[NSMutableArray array] forKey:groupName];
}


// 打印联系人
- (void)printContacts {
    NSLog(@"%@", _addressBook);
}

@end

#import <Foundation/Foundation.h>
#import "Contact.h"
#import "AddressBook.h"
int main(int argc, const char * argv[]) {
    
    @autoreleasepool {
        // 创建联系人对象
        Contact *c1 = [Contact contactWithName:@"zhangsan" gender:@"man" phoneNum:@"18888888888" age:18];
        Contact *c2 = [Contact contactWithName:@"lisi" gender:@"woman" phoneNum:@"18821321318" age:33];
        Contact *c3 = [Contact contactWithName:@"wangwu" gender:@"man" phoneNum:@"18883435888" age:43];
        Contact *c4 = [Contact contactWithName:@"zhangsi" gender:@"woman" phoneNum:@"18888657588" age:13];
        Contact *c5 = [Contact contactWithName:@"zhangwu" gender:@"man" phoneNum:@"18881232188" age:66];
        Contact *c6 = [Contact contactWithName:@"" gender:@"" phoneNum:@"" age:0];
        
        // 创建字典对象
        AddressBook *addressBook = [[AddressBook alloc] init];
        
        // 添加联系人
        [addressBook addContact:c1];
        [addressBook addContact:c2];
        [addressBook addContact:c3];
        [addressBook addContact:c4];
        [addressBook addContact:c5];
        [addressBook addContact:c6];
        // 打印所有联系人
        [addressBook printContacts];
        
        // 获取某个分组名称下所有联系人，并且按照姓名升序排列
        [addressBook groupContactsByNameSortDes:@"Z"];
        
        // 从通讯录中根据电话号码搜索联系人
        [addressBook findContactByPhoneNum:@"18881232188"];
        
        //获取所有女性的联系人，并且按照年龄的降序排列
        [addressBook womanContactsByAgeSortAsc:@"woman"];
        
        //根据姓名删除某个联系人
        [addressBook deleteContactByName:@"zhangwu"];
        
        // 打印所有联系人
        [addressBook printContacts];
        
        // 删除某个分组的全部联系人
        [addressBook deleteAllContactByGroup:@"Z"];
        
        // 打印所有联系人
        [addressBook printContacts];
        
        
    }
    return 0;
}