#在藍懿學習iOS的日子#day14

標籤：

今天上午學習uitabelViewcell和下午學慣用uitabelViewcel來顯示手機播放器的用戶端顯示歌詞的介面，和字典

//    建立不可變字典

    NSDictionary *dic = [NSDictionary dictionaryWithObjectsAndKeys:@"zhangsan",@"name",@"18",@"age", nil];

    dic = @{@"name":@"zhangsan",@"age":@"18"};

//    建立可變字典

    NSMutableDictionary *md = [NSMutableDictionary dictionary];

    [md setObject:@"lisi" forKey:@"name"];

    [md setObject:@(11) forKey:@"age"];

    

    NSLog(@"%@",md);

    

    NSMutableDictionary *china = [NSMutableDictionary dictionary];

    

    NSMutableDictionary *hebeiDic = [NSMutableDictionary dictionary];

    

    [hebeiDic setObject:@[@"灤縣",@"路南",@"樂亭"] forKey:@"唐山"];

    [hebeiDic setObject:@[@"新城",@"橋東區",@"橋西區"] forKey:@"石家莊"];

    

    [china setObject:hebeiDic forKey:@"河北"];

    

    

    

    NSMutableDictionary *liaoNingDic = [NSMutableDictionary dictionary];

    

    [liaoNingDic setObject:@[@"大娃",@"二娃",@"三娃"] forKey:@"葫蘆島"];

    [liaoNingDic setObject:@[@"皇姑區",@"皇姑父區",@"黃神曲"] forKey:@"瀋陽"];

    

    [china setObject:liaoNingDic forKey:@"遼寧"];

    

    

    

    

    

    

    NSDictionary *lnDic = [china objectForKey:@"遼寧"];

 

//    NSArray *shenyangArr = lnDic[@"瀋陽"];

    

//    for (NSString *s in shenyangArr) {

//        NSLog(@"%@",s);

//    }

    

    

    

    

 

//    如何遍曆字典

    for (NSString *key in china.allKeys) {

      

          NSLog(@"省-%@",key);

        NSDictionary *shengDic = china[key];

        

        for (NSString *shiKey in shengDic.allKeys) {

            

            NSLog(@"市-%@",shiKey);

            

            NSArray *xianArr = shengDic[shiKey];

            

            for (NSArray *xian in xianArr) {

                NSLog(@"縣-%@",xian);

            }

}

}
}

#在藍懿學習iOS的日子#day14