Question

我一直在练习Java编程，最近我想我会尝试使用不同的库来编写一些基于状态的脚本。我遇到了一个切换声明，我似乎无法进入第二种情况。现在我明白你们可能不熟悉外部API，但我只是想知道我的逻辑是否有问题。状态来自枚举，我有一个getState（）方法来测试不同的先决条件：

 private enum State {

    CUT, WALK_TO_BANK, BANK, WALK_TO_TREE

}

private State getState() {
    if (client.getInventory().isFull() && !BANK_AREA.contains(myPlayer()))
        return State.WALK_TO_BANK;
    if (!client.getInventory().isFull() && !CHOP_AREA.contains(myPlayer()))
        return State.WALK_TO_TREE;
    if (!client.getInventory().isEmpty() && BANK_AREA.contains(myPlayer()))
        return State.BANK;
    return State.CUT;
}

切换声明：

switch (getState()) {
        case CUT:
            if (!myPlayer().isAnimating() && equipmentTab.isWieldingWeapon(Axe)) {
                log("You have an Axe.");
            } else {
                log("You don't have an axe");
                State.WALK_TO_BANK.equals(true);
                RS2Object bank = closestObjectForName("Bank Booth");
                if (bank != null) {
                    if (bank.interact("Bank")) {
                        while (!client.getBank().isOpen())
                            sleep(250);
                        client.getBank().withdraw1(Axe);
                        equipmentTab.equipForNameThatContains(EquipmentSlot.WEAPON, "axe");
                        State.CUT.equals(true);
                    }
                    RS2Object tree = closestObject(TREE_ID);
                    if (!myPlayer().isInArea(CHOP_AREA) && client.getInventory().isEmpty()) {
                        State.WALK_TO_TREE.equals(true);
                    }
                    if (tree != null) {
                        if (tree.interact("Chop down"))
                            sleep(random(1000, 1500));
                        log("Trying to cut tree");
                    }
                    break;

                    case WALK_TO_BANK:        // IDE states- Unable to resolve symbol
                        status = "Walk to Bank";
                        traversePath(path, true);
                        sleep(random(1500, 2500));
                        break;
                    case WALK_TO_TREE:
                        status = "Walk to Tree";
                        if (!myPlayer().isInArea(CHOP_AREA) || client.getInventory().isEmpty() && equipmentTab.isWieldingWeapon(Axe)) {
                            log("You have an Axe.");
                            State.WALK_TO_TREE.equals(true);
                        }
                        traversePath(path, false);
                        sleep(random(1500, 2500));
                        break;

                    case BANK:
                        status = "Banking";
                        RS2Object bank = closestObjectForName("Bank booth");
                        if (bank != null) {
                            if (bank.interact("Bank")) {
                                while (!client.getBank().isOpen())
                                    sleep(250);
                                client.getBank().depositAll();
                            }
                        }
                        break;
                }
                return random(200, 300);
            }

在CUT案例结束并转到WALK_TO_BANK案例后，IntelliJ表示它无法解析符号。我不太清楚为什么......我对此很陌生，所以我的代码不会像它那样高效，但这只是脚本的一些练习，很明显，我会改进。

Answer 1

您的语法已关闭。您的case语句必须位于同一范围内 - else块之外。

Answer 2

试试这个：

class Test
{
    private enum State {

        CUT, WALK_TO_BANK, BANK, WALK_TO_TREE

    }

    int step = 0;

    private State getState()
    {

        if (step == 1)
            return State.WALK_TO_BANK;
        if (step == 2)
            return State.WALK_TO_TREE;
        if (step == 3)
            return State.BANK;
        return State.CUT;

    }

    Test()
    {
        switch (getState())
        {
            case CUT:
                if (true)
                {
                }
                else
                {
                }
                break;

            case WALK_TO_BANK: // IDE states- Unable to resolve symbol
                break;
            case WALK_TO_TREE:
                break;

            case BANK:
                break;
        }
    }

}

为什么这个Java Switch语句无法进展？

2 个答案: