Created
June 10, 2013 00:18
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NSDictionary周り
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| // 空の可変ディクショナリ生成例 | |
| NSMutableDictionary *mdic = [NSMutableDictionary dictionary]; | |
| // 値とキー値を指定した生成例 | |
| NSDictionary *dic = [NSDictionary dictionaryWithObject:@"hoge" forKey:@"Key"]; | |
| // 値とキー値を複数指定する生成例 | |
| NSDictionary *dic = [NSDictionary dictionaryWithObjectsAndKeys: | |
| @"hoge", @"name", | |
| @"999-9999-9999", @"tel", | |
| @"東京都", @"address",nil]; | |
| // 値とキー値を、それぞれNSArray型で指定した生成例 | |
| NSArray *key = [NSArray arrayWithObjects:@"name", @"tel", @"address", nil]; | |
| NSArray *value = | |
| [NSArray arrayWithObjects:@"hoge", @"999-9999-9999", @"東京都", nil]; | |
| NSDictionary *dic = [NSDictionary dictionaryWithObjects:value forKeys:key]; | |
| // 指定した要素を取得する | |
| id yoso = [dic objectForKey:@"hoge"]; | |
| // ディクショナリからキーだけの配列を取得する | |
| NSArray *ar = [dic allKeys]; | |
| // ディクショナリから要素だけの配列を取得する | |
| NSArray *ar = [dic allValues]; | |
| // 要素を追加 | |
| NSArray *ary = [str componentsSeparatedByString:@"="]; | |
| NSString *key = [ary objectAtIndex:0]; | |
| NSString *value = [ary objectAtIndex:1]; | |
| [dic setValue:value forKey:key]; | |
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