实现通讯录

#import <Foundation/Foundation.h>
#import "AddressPerson.h"
#import "AddressBook.h"

int main(int argc, const char * argv[]) {
    @autoreleasepool {

      //定义5个对象

        AddressPerson *p1 = [[AddressPerson alloc]init];
        NSDictionary *dic = @{@"name":@"fu",@"number":@"12345",@"email":@"254@465",@"address":@"nanjing"};
        [p1 setValuesForKeysWithDictionary:dic]; 
        
        AddressPerson *p2 = [[AddressPerson alloc]init];
        NSDictionary *dic2 = @{@"name":@"yang",@"number":@"12345",@"email":@"@",@"address":@"nanjing"};
        [p2 setValuesForKeysWithDictionary:dic2];
    
    
        AddressPerson *p3 = [[AddressPerson alloc]init];
        NSDictionary *dic3 = @{@"name":@"li",@"number":@"12345",@"email":@"8@47",@"address":@"nanjing"};
        [p3 setValuesForKeysWithDictionary:dic3];
    
    
        AddressPerson *p4 = [[AddressPerson alloc]init];
        NSDictionary *dic4 =   @{@"name":@"1mei",@"number":@"14345",@"email":@"6@45",@"address":@"nanjing"};
        [p4 setValuesForKeysWithDictionary:dic4];
        
        AddressPerson *p5 = [[AddressPerson alloc]init];
        NSDictionary *dic5 = @{@"name":@"",@"number":@"636",@"email":@"674@45",@"address":@"taiyangxi"};
        [p5 setValuesForKeysWithDictionary:dic5];
        
   //添加一个book对象
        AddressBook *book = [[AddressBook alloc]init];
        [book addressPerson:p1];
        [book addressPerson:p2];
        [book addressPerson:p3];
        [book addressPerson:p4];
        [book addressPerson:p5];   //将对象过滤添加到book中
        [book sortedPerson:p1];
        [book sortedPerson:p2];
        [book sortedPerson:p3];
        [book sortedPerson:p4];
        [book sortedPerson:p5];  //将联系人进行排序
        
         NSLog(@"%@",book);   //输出符合条件的联系人  并排序
        
        NSArray *tempArray = [book searchWithName:@"li"];//根据姓名查找联系人
        NSLog(@"%@",tempArray);
        
        NSLog(@"%@",[book sortedAllPerson]); //输出所有联系人

@interface AddressPerson : NSObject

@property(nonatomic, assign, readwrite)NSString *name, *number,*address,*email;

@end   

@implementation AddressPerson

- (NSString *)description
{
    return [NSString stringWithFormat:@"%@ %@ %@ %@", _name, _number,_email,_address];
}

@end

@class AddressPerson;

@interface AddressBook : NSObject

@property(nonatomic) NSMutableArray *bookArray;
@property(nonatomic)NSMutableDictionary *addBook;
   
-(void)addressPerson:(AddressPerson *)addPerson;
-(void)sortedPerson:(AddressPerson *)sPerson;
-(NSArray *)searchWithName:(AddressPerson *)aName;
-(NSArray *)sortedAllPerson;

@end

#import "AddressBook.h"
#import "AddressPerson.h"

@implementation AddressBook

-(id)init{
    if (self = [super init]) {
        _bookArray = [[NSMutableArray alloc]initWithCapacity:0];
        _addBook = [[NSMutableDictionary alloc]initWithDictionary:0];
        
        NSArray *array = [NSArray arrayWithObjects:@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"J",@"K",@"L",@"M",@"N",@"O",@"P",@"Q",@"R",@"S",@"T",@"U",@"V",@"W",@"X",@"Y",@"Z",@"*", nil];
        for (NSString *key in array) {
            [_addBook setObject:[NSMutableArray arrayWithCapacity:0] forKey:key];
        }
    }
    return  self;
}

//添加联系人(姓名为空 邮箱格式不正确不添加)
-(void)addressPerson:(AddressPerson *)addPerson{
    if ([addPerson.name length] == 0) {
        NSLog(@"该联系人名字为空!");
        return;
    }
    if (![addPerson.email containsString:@"@"]) {
        NSLog(@"%@这个邮箱格式不正确",addPerson.name);
    }else{
    NSArray *subString = [addPerson.email componentsSeparatedByString:@"@"];
    if ([subString[0] length] == 0  || [subString[1] length ]== 0) {
        NSLog(@"%@的邮箱格式不对",addPerson.name);
        return;
    }
 }
    [_bookArray addObject:addPerson];
}

//按首字母排序
-(void)sortedPerson:(AddressPerson *)sPerson{
    if ([sPerson.name length]!= 0) {
       NSArray *firstLetter = [[sPerson.name substringToIndex:1]capitalizedString];
    
    NSArray *array = [NSArray arrayWithObjects:@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"J",@"K",@"L",@"M",@"N",@"O",@"P",@"Q",@"R",@"S",@"T",@"U",@"V",@"W",@"X",@"Y",@"Z",@"*", nil];
    if ([array containsObject:firstLetter]) {
        
        [[_addBook objectForKey:firstLetter] addObject:sPerson];
        
    }else{
        
        [[_addBook objectForKey:@"*"] addObject:sPerson];
    }
    }
    else{
        return;
    }
}


//根据姓名查找联系人
-(NSArray *)searchWithName:(AddressPerson *)aName{
    NSMutableArray *tempArray = [[NSMutableArray alloc]initWithCapacity:0];
    for (AddressPerson *person in _bookArray) {
        if ([person.name isEqualToString: aName]) {
            [tempArray addObject:person];
        }
    }
    return tempArray;
}

//联系人排序
-(NSArray *)sortedAllPerson{
 return [_bookArray sortedArrayUsingComparator:^NSComparisonResult(AddressPerson *obj1, AddressPerson *obj2) {
    return [obj1.name compare:obj2.name];
}];
    
}


- (NSString *)description
{
    return [NSString stringWithFormat:@"%@ %@", _bookArray,_addBook];
}

@end

实现通讯录

原文：http://9864900.blog.51cto.com/9854900/1620168