0

私は iOS Programming: The Big Nerd Ranch Guide Chapter 2 - Gold Challenge に続く新しいプログラマーです。

クラスがありBNRItemます。そして、のBNRItemサブクラスBNRContainer。

MyBNRContainerには 11 個のアイテムが含まれています。最初の 10 項目はBNRItems. 11 番目の項目BNRContainerも 10 項目を含む別の項目です。

main.m で:

NSLog(@"%@", container);

BNRContainer.m で:

- (NSString *)description
{
    NSString *descriptionString = [[NSString alloc] initWithFormat:@"%@: Total Value = $%d: %@", [self containerName], [self valueInDollars], subItems];
    return descriptionString;
}

subItems は、出力したいすべての BNRItems を保持する NSMutableArray へのポインターです。

@interface BNRContainer : BNRItem
{
    NSString *containerName;
    NSMutableArray *subItems;
}

印刷される内容:

My Container contains 11 items
My Container: Total Value = $1096: (
    "Undead Goblin (8Q2U8): Worth $73, recorded on 2013-04-21 13:17:54 +0800",
    "Flaming Troll (5Y2V3): Worth $40, recorded on 2013-04-21 13:17:54 +0800",
    "Undead Human (2F9Z7): Worth $40, recorded on 2013-04-21 13:17:54 +0800",
    "Flying Elf (8G5V6): Worth $99, recorded on 2013-04-21 13:17:54 +0800",
    "Undead Orc (3P9B1): Worth $10, recorded on 2013-04-21 13:17:54 +0800",
    "Undead Goblin (6R5C1): Worth $93, recorded on 2013-04-21 13:17:54 +0800",
    "Stone Giant (3E4O0): Worth $1, recorded on 2013-04-21 13:17:54 +0800",
    "Stone Goblin (3A6T4): Worth $30, recorded on 2013-04-21 13:17:54 +0800",
    "Shiny Troll (8S3I1): Worth $77, recorded on 2013-04-21 13:17:54 +0800",
    "Flying Orc (4F6F9): Worth $65, recorded on 2013-04-21 13:17:54 +0800",
    "Dublicate Container: Total Value = $568: (\n    \"Flying Elf (1P5F4): Worth $29, recorded on 2013-04-21 13:17:58 +0800\",\n    \"Shiny Elf (3R2Q6): Worth $88, recorded on 2013-04-21 13:17:58 +0800\",\n    \"Shiny Dwarf (4X7P8): Worth $38, recorded on 2013-04-21 13:17:58 +0800\",\n    \"Undead Goblin (7E4L1): Worth $77, recorded on 2013-04-21 13:17:58 +0800\",\n    \"Flying Human (8K9Y2): Worth $35, recorded on 2013-04-21 13:17:58 +0800\",\n    \"Flying Human (8J8T0): Worth $94, recorded on 2013-04-21 13:17:58 +0800\",\n    \"Shiny Dwarf (5E2Z1): Worth $42, recorded on 2013-04-21 13:17:58 +0800\",\n    \"Flying Troll (1K1G7): Worth $71, recorded on 2013-04-21 13:17:58 +0800\",\n    \"Shiny Troll (9X6C8): Worth $40, recorded on 2013-04-21 13:17:58 +0800\",\n    \"Flying Elf (3H0R6): Worth $54, recorded on 2013-04-21 13:17:58 +0800\"\n)"

)

このように \n を出力するにはどうすればよいですか?

My Container contains 11 items
My Container: Total Value = $1096: (
    "Undead Goblin (8Q2U8): Worth $73, recorded on 2013-04-21 13:17:54 +0800",
    "Flaming Troll (5Y2V3): Worth $40, recorded on 2013-04-21 13:17:54 +0800",
    "Undead Human (2F9Z7): Worth $40, recorded on 2013-04-21 13:17:54 +0800",
    "Flying Elf (8G5V6): Worth $99, recorded on 2013-04-21 13:17:54 +0800",
    "Undead Orc (3P9B1): Worth $10, recorded on 2013-04-21 13:17:54 +0800",
    "Undead Goblin (6R5C1): Worth $93, recorded on 2013-04-21 13:17:54 +0800",
    "Stone Giant (3E4O0): Worth $1, recorded on 2013-04-21 13:17:54 +0800",
    "Stone Goblin (3A6T4): Worth $30, recorded on 2013-04-21 13:17:54 +0800",
    "Shiny Troll (8S3I1): Worth $77, recorded on 2013-04-21 13:17:54 +0800",
    "Flying Orc (4F6F9): Worth $65, recorded on 2013-04-21 13:17:54 +0800",
    "Dublicate Container: Total Value = $568: (
        "Flying Elf (1P5F4): Worth $29, recorded on 2013-04-21 13:17:58 +0800\",
        "Shiny Elf (3R2Q6): Worth $88, recorded on 2013-04-21 13:17:58 +0800\",
        "Shiny Dwarf (4X7P8): Worth $38, recorded on 2013-04-21 13:17:58 +0800\",
        "Undead Goblin (7E4L1): Worth $77, recorded on 2013-04-21 13:17:58 +0800\",
        "Flying Human (8K9Y2): Worth $35, recorded on 2013-04-21 13:17:58 +0800\",
        "Flying Human (8J8T0): Worth $94, recorded on 2013-04-21 13:17:58 +0800\",
        "Shiny Dwarf (5E2Z1): Worth $42, recorded on 2013-04-21 13:17:58 +0800\",
        "Flying Troll (1K1G7): Worth $71, recorded on 2013-04-21 13:17:58 +0800\",
        "Shiny Troll (9X6C8): Worth $40, recorded on 2013-04-21 13:17:58 +0800\",
        "Flying Elf (3H0R6): Worth $54, recorded on 2013-04-21 13:17:58 +0800\"
    )"
)

すべての助けに感謝します！ありがとう！

4

1 に答える 1

1

ログを印刷するとき、印刷するものに \n\r を追加できます。例えば

NSLog(@"This is the first Line \n\r This is the Second Line");

印刷します:

これは最初の行です これは2番目の行です

したがって、この機能を使用して、必要なときにいつでも改行してください。

于 2013-04-21T07:13:57.413 に答える