#import <ContactsUI/ContactsUI.h>

<CNContactPickerDelegate>

// 判断当前的授权状态
if (status != CNAuthorizationStatusAuthorized) {

 UIAlertView * alart = [[UIAlertView alloc]initWithTitle:@"温馨提示" message:@"请您设置允许APP访问您的通讯录\n设置-隐私-通讯录" delegate:self cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
 return;
}

typedef NS_ENUM(NSInteger, CNAuthorizationStatus)
{
/*! 用户尚未就应用程序是否可以访问联系人数据做出选择。 */
CNAuthorizationStatusNotDetermined = 0,

/*! 该应用程序没有权限访问联系人数据。
 *用户无法更改此应用程序的状态，可能是由于主动限制（如父母控制到位）。 */
CNAuthorizationStatusRestricted,

/*! 用户明确拒绝对应用程序的联系人数据的访问。 */
CNAuthorizationStatusDenied,

/*! 该应用程序被授权访问联系人数据。 */
CNAuthorizationStatusAuthorized
}

// 判断当前的授权状态是否是用户还未选择的状态
if (status == CNAuthorizationStatusNotDetermined)
{
CNContactStore *store = [CNContactStore new];
[store requestAccessForEntityType:CNEntityTypeContacts completionHandler:^(BOOL granted, NSError * _Nullable error) {
  if (granted){
    NSLog(@"授权成功!");
  }else{
    NSLog(@"授权失败!");
  }
}];
}

-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
//iOS 10
//  AB_DEPRECATED("Use CNContactPickerViewController from ContactsUI.framework instead")
CNContactPickerViewController * contactVc = [CNContactPickerViewController new];
contactVc.delegate = self;
[self presentViewController:contactVc animated:YES completion:nil];
}

// 选择某个联系人时调用
- (void)contactPicker:(CNContactPickerViewController *)picker didSelectContactProperty:(CNContactProperty *)contactProperty
{
CNContact *contact = contactProperty.contact;
NSString *name = [CNContactFormatter stringFromContact:contact style:CNContactFormatterStyleFullName];
CNPhoneNumber *phoneValue= contactProperty.value;
NSString *phoneNumber = phoneValue.stringValue;
NSLog(@"%@--%@",name, phoneNumber);
}

// 1.选择联系人时使用（不展开详情）
- (void)contactPicker:(CNContactPickerViewController   *)picker didSelectContact:(CNContact *)contact;

注：如果有上面的方法，下面的方法不执行

// 2.选择联系人某个属性时调用（展开详情）
- (void)contactPicker:(CNContactPickerViewController *)picker didSelectContactProperty:(CNContactProperty *)contactProperty;

// 3.取消选中联系人时调用
- (void)contactPickerDidCancel:(CNContactPickerViewController *)picker;

- (void)contactPickerDidCancel:(CNContactPickerViewController *)picker{
[picker dismissViewControllerAnimated:YES completion:nil];
}

  // 创建通讯录对象
  CNContactStore *contactStore = [CNContactStore new];
  NSArray *keys = @[CNContactPhoneNumbersKey,CNContactGivenNameKey];
  // 获取通讯录中所有的联系人
  CNContactFetchRequest *request = [[CNContactFetchRequest alloc] initWithKeysToFetch:keys];

  [contactStore enumerateContactsWithFetchRequest:request error:nil usingBlock:^(CNContact * _Nonnull contact, BOOL * _Nonnull stop) {

  // 获取姓名
  //  NSString *firstName = contact.familyName;
  NSString *lastName = contact.givenName;

  NSLog(@"name: %@",lastName);

  // 获取电话号码

  for (CNLabeledValue *labeledValue in contact.phoneNumbers){

    CNPhoneNumber *phoneValue = labeledValue.value;
    NSString *phoneNumber = phoneValue.stringValue;
    NSLog(@"number: %@",phoneNumber);
  }
    }];