实现中等难度通讯录。需求： 1、定义联系人类AddressContact。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

<span style="font-size:24px;">//  1、定义联系人类AddressContact。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
{
NSString *_name;//姓名
NSString *_gender;//性别
NSInteger _phoneNumber;//电话号码
NSString *_location;//住址
NSString *_dividName;//分组名称
NSInteger _age;//年龄
}
//初始化方法
- (id)initWithName:(NSString *)name phoneNumber:(NSInteger)phoneNumber;
//显示联系人信息
- (NSString *)description;
//setter
- (void)setDividName:(NSString *)dividName;
//getter
- (NSString *)name;
- (NSInteger)phoneNumber;
- (NSString *)dividName;

@end
@implementation AddressContact
//初始化方法
- (id)initWithName:(NSString *)name phoneNumber:(NSInteger)phoneNumber
{
self = [super init];
if (self) {
_name = name;
_phoneNumber = phoneNumber;
}
return self;
}
//显示联系人信息
- (NSString *)description
{
return [NSString stringWithFormat:@"name:%@, gender:%@, phoneNumber:%ld, location:%@,dividName:%@, age:%ld", _name, _gender, _phoneNumber, _location, _dividName, _age];
}
//setter
- (void)setDividName:(NSString *)dividName
{
_dividName = dividName;
}
//getter
- (NSString *)name
{
return _name;
}
- (NSInteger)phoneNumber
{
return _phoneNumber;
}
- (NSString *)dividName
{
return _dividName;
}
@end<pre name="code" class="objc">int main(int argc, const char * argv[])
{

@autoreleasepool {
NSArray *arr1 = @[@1,@2,@3];
NSArray *arr2 = @[@1,@2,@3];
BOOL d = [arr1 isEqualToArray:arr2];
NSLog(@"%d",d);
//创建对象
AddressContact *Cuichengjie = [[AddressContact alloc] initWithName:@"Cuichengjie" phoneNumber:10086];
AddressContact *Gengzhi = [[AddressContact alloc] initWithName:@"Gengzhi" phoneNumber:100861];
AddressContact *Wangjie = [[AddressContact alloc] initWithName:@"Wangjie" phoneNumber:100862];
AddressContact *Hongjie = [[AddressContact alloc] initWithName:@"Hongjie" phoneNumber:100863];
AddressContact *Xiaoguang = [[AddressContact alloc] initWithName:@"Xiaoguang" phoneNumber:100864];
AddressContact *Xiaoming = [[AddressContact alloc] initWithName:@"Xiaoming" phoneNumber:100865];
AddressContact *Chengcheng = [[AddressContact alloc] initWithName:@"Chengcheng" phoneNumber:100866];
AddressContact *Bug = [[AddressContact alloc] initWithName:@"Bug" phoneNumber:100867];
AddressContact *Bug1 = [[AddressContact alloc] initWithName:@"Bug1" phoneNumber:100868];
AddressContact *Baige = [[AddressContact alloc] initWithName:@"Baige" phoneNumber:100869];
//创建可变数组
NSMutableArray *arrB = [NSMutableArray arrayWithObjects:Bug, Bug1, Baige, nil];
NSMutableArray *arrC = [NSMutableArray arrayWithObjects:Cuichengjie, Chengcheng, nil];
NSMutableArray *arrG = [NSMutableArray arrayWithObjects:Gengzhi, nil];
NSMutableArray *arrH = [NSMutableArray arrayWithObjects:Hongjie, nil];
NSMutableArray *arrW = [NSMutableArray arrayWithObjects:Wangjie, nil];
NSMutableArray *arrX = [NSMutableArray arrayWithObjects:Xiaoguang, Xiaoming, nil];
NSMutableDictionary *conductMan = [NSMutableDictionary dictionaryWithObjectsAndKeys:arrB, @"B", arrC, @"C", arrG, @"G", arrH, @"H", arrW, @"W", arrX, @"X", nil];
NSLog(@"%@", Cuichengjie);

//添加联系人对象
AddressContact *Hengming = [[AddressContact alloc] initWithName:@"Hengming" phoneNumber:10087];//要添加的对象
NSString *subString = [[Hengming name] substringToIndex:1];//获取姓名的第一个字母
for (NSString *str in conductMan) {
if ([subString isEqualToString:nil] || [@"[Gengming phoneNumber]" isEqualToString:nil ]) {
NSLog(@"添加失败");
} else if ([str isEqualToString:subString]){
[[conductMan objectForKey:str] addObject:Hengming];
}
for (AddressContact *aa in [conductMan objectForKey:str]) {
NSLog(@"%@",aa);
}
}
//从通讯录中根据电话号码搜索联系人
int n = 0;
printf("请输入一个电话号码：");
scanf("%d", &n);
NSNumber *number = [NSNumber numberWithInt:n];
for (NSString *str in conductMan) {
for (AddressContact *aa in [conductMan objectForKey:str]) {
NSNumber *num = [NSNumber numberWithInteger:[aa phoneNumber]];                if ([number compare:num] == 0) {
NSLog(@"%@", aa);
}
}
}
//根据姓名删除某个联系人
char a[15] = " 0";
printf("请输入一个姓名：");
scanf("%s", a);
NSString *string = [NSString stringWithFormat:@"%s", a];
for (NSString *str in conductMan) {
NSArray *arr = [NSArray arrayWithArray:[conductMan objectForKey:str]];
for (AddressContact *cui in arr) {
if ([string compare:[cui name]] == 0) {
[[conductMan objectForKey:str] removeObject:cui];
}
}
}
//把删除之后的该数组中的联系人打印出来
NSString *subString1 = [string substringToIndex:1];//获取姓名的第一个字母（对象）
for (AddressContact *aa in [conductMan objectForKey:subString1]) {
NSLog(@"%@",aa);
}

//删除某个分组的全部联系人
char b = '0';
printf("请输入一个字符：");
getchar();
scanf("%c",&b);
NSString *string1 = [NSString stringWithFormat:@"%c", b];
for (NSString *str in conductMan) {
if ([string1 compare:str] == 0) {
[[conductMan objectForKey:str] removeAllObjects];
}
}

}
return 0;