IOS9中联系人对象的使用及增删改查操作的函数封装

之前克服重重困难把IOS9中新的类联系人搞明白了，现在把增删改查封装成了函数，如下：

 //
 //  ViewController.m
 //  IOS9中联系人CNContact的使用
 //
 //  Created by mac on 16/5/6.
 //  Copyright © 2016年 mzw. All rights reserved.
 //

 #import "ViewController.h"

 //导入IOS9联系人模型
 @import Contacts;

 @interface ViewController ()

 @end

 @implementation ViewController

 - (void)viewDidLoad {
     [super viewDidLoad];

     [self getContactList];
     [self addOneContactToContactList];
     [self deleteOneContactFromContactList];
     [self updateOneContectToContactList];

 }
 /**
  *  读取联系人通讯录
  */
 -(NSMutableArray*)getContactList{
     NSMutableArray *array = [NSMutableArray array];
     //     1.获取授权状态
     CNAuthorizationStatus status = [CNContactStore authorizationStatusForEntityType:CNEntityTypeContacts];
     //      2.判断授权状态,如果不是已经授权,则直接返回
     if (status != CNAuthorizationStatusAuthorized) {
         return nil;
     }

     // 3.创建通信录对象
     CNContactStore *contactStore = [[CNContactStore alloc] init];

     // 4.创建获取通信录的请求对象
     // 4.1.拿到所有打算获取的属性对应的key
     NSArray *keys = @[CNContactGivenNameKey, CNContactFamilyNameKey, CNContactPhoneNumbersKey,CNContactImageDataKey];

     // 4.2.创建CNContactFetchRequest对象
     CNContactFetchRequest *request = [[CNContactFetchRequest alloc] initWithKeysToFetch:keys];

     // 5.遍历所有的联系人
     [contactStore enumerateContactsWithFetchRequest:request error:nil usingBlock:^(CNContact * _Nonnull contact, BOOL * _Nonnull stop) {
         [array addObject:contact];
         }
     ];

     return array;

 }

 /**
  *  删除通讯录中的一位联系人
  */
 -(void)deleteOneContactFromContactList{

         CNContactStore * store = [[CNContactStore alloc]init];
         //检索条件，检索所有名字中有zhang的联系人
         NSPredicate * predicate = [CNContact predicateForContactsMatchingName:@"W"];
         //提取数据
         NSArray * contacts = [store unifiedContactsMatchingPredicate:predicate keysToFetch:@[CNContactGivenNameKey] error:nil];
         CNMutableContact *contact1 = [contacts objectAtIndex:];

        //初始化方法
         CNSaveRequest * saveRequest = [[CNSaveRequest alloc]init];

         //删除联系人（不行）
         [saveRequest deleteContact:contact1];

 }

 /**
  *  修改通讯录中的一位联系人
  *  先根据条件生成一个谓词，根据谓词读到联系人，并对联系人进行update
  */
 -(void)updateOneContectToContactList{

         CNContactStore * store = [[CNContactStore alloc]init];
         //检索条件，检索所有名字中有zhang的联系人
         NSPredicate * predicate = [CNContact predicateForContactsMatchingName:@"张"];
         //提取数据,要修改的必需先提取出来，放在keysToFetch中提取
         NSArray * contacts = [store unifiedContactsMatchingPredicate:predicate keysToFetch:@[CNContactGivenNameKey] error:nil];

         CNMutableContact * contact1 = [[contacts objectAtIndex:] mutableCopy];
         contact1.givenName = @"heh";

         CNSaveRequest * saveRequest = [[CNSaveRequest alloc]init];

         [saveRequest updateContact:contact1];
         [store executeSaveRequest:saveRequest error:nil];
 }

 /**
  *  添加一位联系人到通讯录
  */
 //
 -(void)addOneContactToContactList{

         CNMutableContact * contact = [[CNMutableContact alloc]init];
         contact.imageData = UIImagePNGRepresentation([UIImage imageNamed:@""]);
         //设置名字
         contact.givenName = @"三强";
         //设置姓氏
         contact.familyName = @"王";
         CNLabeledValue *homeEmail = [CNLabeledValue labeledValueWithLabel:CNLabelHome value:@"[e-mail]"];
         CNLabeledValue *workEmail =[CNLabeledValue labeledValueWithLabel:CNLabelWork value:@"[e-mail]"];
         contact.emailAddresses = @[homeEmail,workEmail];
         //家庭
         CONTACTS_EXTERN NSString * const CNLabelHome                             NS_AVAILABLE(10_11, 9_0);
         //工作
         CONTACTS_EXTERN NSString * const CNLabelWork                             NS_AVAILABLE(10_11, 9_0);
         //其他
         CONTACTS_EXTERN NSString * const CNLabelOther                            NS_AVAILABLE(10_11, 9_0);

         // 邮箱地址
         CONTACTS_EXTERN NSString * const CNLabelEmailiCloud                      NS_AVAILABLE(10_11, 9_0);

         // url地址
         CONTACTS_EXTERN NSString * const CNLabelURLAddressHomePage               NS_AVAILABLE(10_11, 9_0);

         // 日期
         CONTACTS_EXTERN NSString * const CNLabelDateAnniversary                  NS_AVAILABLE(10_11, 9_0);
         contact.phoneNumbers = @[[CNLabeledValue labeledValueWithLabel:CNLabelPhoneNumberiPhone value:[CNPhoneNumber phoneNumberWithStringValue:@""]]];
         CNMutablePostalAddress * homeAdress = [[CNMutablePostalAddress alloc]init];
         homeAdress.street = @"贝克街";
         homeAdress.city = @"伦敦";
         homeAdress.state = @"英国";
         homeAdress.postalCode = @"221B";
         contact.postalAddresses = @[[CNLabeledValue labeledValueWithLabel:CNLabelHome value:homeAdress]];
         NSDateComponents * birthday = [[NSDateComponents  alloc]init];
         birthday.day=;
         birthday.month=;
         birthday.year=;
         contact.birthday=birthday;

         //    //初始化方法
         CNSaveRequest * saveRequest = [[CNSaveRequest alloc]init];
         //    添加联系人（可以）
         [saveRequest addContact:contact toContainerWithIdentifier:nil];
         //    写入
         CNContactStore * store = [[CNContactStore alloc]init];
         [store executeSaveRequest:saveRequest error:nil];

 }

 @end