// 1.主动请求授权，先判断授权状态 
NSInteger state = ABAddressBookGetAuthorizationStatus(); 
if (state == kABAuthorizationStatusAuthorized) { 
  NSLog(@"已经授权"); 
}else{ 
  ABAddressBookRef book = ABAddressBookCreateWithOptions(NULL, NULL); 
  ABAddressBookRequestAccessWithCompletion(book, ^(bool granted, CFErrorRef error) { 
    if (granted) { 
      NSLog(@"授权成功"); 
    }else{ 
      NSLog(@"授权失败"); 
    } 
  }); 
} 

// 先判断授权状态 
if (ABAddressBookGetAuthorizationStatus() != kABAuthorizationStatusAuthorized) { 
  NSLog(@"未授权"); 
  return; 
} 
 
ABAddressBookRef book = ABAddressBookCreateWithOptions(NULL, NULL); 
CFArrayRef persons = ABAddressBookCopyArrayOfAllPeople(book); 
CFIndex count = CFArrayGetCount(persons); 
for (NSInteger i = 0; i < count; i++) { 
  ABRecordRef person = CFArrayGetValueAtIndex(persons, i); 
  CFStringRef lastName = ABRecordCopyValue(person, kABPersonLastNameProperty); 
  CFStringRef firstName = ABRecordCopyValue(person, kABPersonFirstNameProperty); 
  ABMutableMultiValueRef phones = ABRecordCopyValue(person, kABPersonPhoneProperty); 
  NSLog(@"联系人:%@ %@",lastName,firstName); 
  NSInteger cnt = ABMultiValueGetCount(phones); 
  for (int j = 0; j < cnt; j++) { 
    CFStringRef phone = ABMultiValueCopyValueAtIndex(phones, j); 
    NSLog(@"电话：%@ ",phone); 
  } 
} 

// 先判断授权状态 
if (ABAddressBookGetAuthorizationStatus() != kABAuthorizationStatusAuthorized) { 
  NSLog(@"未授权"); 
  return; 
} 
 
ABAddressBookRef book = ABAddressBookCreateWithOptions(NULL, NULL); 
CFArrayRef persons = ABAddressBookCopyArrayOfAllPeople(book); 
ABRecordRef person = CFArrayGetValueAtIndex(persons, 0); 
ABRecordSetValue(person, kABPersonLastNameProperty, @"changed", NULL); 
ABAddressBookSave(book, NULL); 

// 先判断授权状态 
if (ABAddressBookGetAuthorizationStatus() != kABAuthorizationStatusAuthorized) { 
  NSLog(@"未授权"); 
  return; 
} 
 
ABAddressBookRef book = ABAddressBookCreateWithOptions(NULL, NULL); 
CFArrayRef persons = ABAddressBookCopyArrayOfAllPeople(book); 
CFIndex count = CFArrayGetCount(persons); 
for (NSInteger i = 0; i < count; i++) { 
  ABRecordRef person = CFArrayGetValueAtIndex(persons, i); 
  CFStringRef lastName = ABRecordCopyValue(person, kABPersonLastNameProperty); 
  CFStringRef firstName = ABRecordCopyValue(person, kABPersonFirstNameProperty); 
  ABMutableMultiValueRef phones = ABRecordCopyValue(person, kABPersonPhoneProperty); 
  NSLog(@"联系人:%@ %@",lastName,firstName); 
  NSInteger cnt = ABMultiValueGetCount(phones); 
  for (int j = 0; j < cnt; j++) { 
    CFStringRef phone = ABMultiValueCopyValueAtIndex(phones, j); 
    NSLog(@"电话：%@ ",phone); 
  } 
}