Application.persistentDataPath 在构建中的位置

Question

当我从编辑器运行我的游戏并保存加载数据时，我发现该数据位于：C:\Users\User\AppData\LocalLow\DefaultCompany\projectname\data。

当我构建它并获得可执行文件时，该数据仍然可以正常加载，但如果我保存并重新启动，它就不会被保存。但是，当我从编辑器中启动它时，它确实如此。

这是我的代码中的错误，还是当我没有从 Unity 编辑器运行它时文件在其他地方？

稍后当我导出游戏以启动它时，我有持久数据和 Json 文件必须随游戏一起运行。

为清楚起见，是 class，它处理 Json 的 save/load：

public class DataHandler
{
    //Save Data
    public static void saveData<T>(T dataToSave, string dataFileName)
    {
        string tempPath = Path.Combine(Application.persistentDataPath, "data");
        tempPath = Path.Combine(tempPath, dataFileName + ".txt");

        //Convert To Json then to bytes
        string jsonData = JsonUtility.ToJson(dataToSave, true);
        byte[] jsonByte = Encoding.ASCII.GetBytes(jsonData);

        //Create Directory if it does not exist
        if (!Directory.Exists(Path.GetDirectoryName(tempPath)))
        {
            Directory.CreateDirectory(Path.GetDirectoryName(tempPath));
        }
        //Debug.Log(path);

        try
        {
            File.WriteAllBytes(tempPath, jsonByte);
            Debug.Log("Saved Data to: " + tempPath.Replace("/", "\"));
        }
        catch (Exception e)
        {
            Debug.LogWarning("Failed To PlayerInfo Data to: " + tempPath.Replace("/", "\"));
            Debug.LogWarning("Error: " + e.Message);
        }
    }

    //Load Data
    public static T loadData<T>(string dataFileName)
    {
        string tempPath = Path.Combine(Application.persistentDataPath, "data");
        tempPath = Path.Combine(tempPath, dataFileName + ".txt");

        //Exit if Directory or File does not exist
        if (!Directory.Exists(Path.GetDirectoryName(tempPath)))
        {
            Debug.LogWarning("Directory does not exist");
            return default(T);
        }

        if (!File.Exists(tempPath))
        {
            Debug.Log("File does not exist");
            return default(T);
        }

        //Load saved Json
        byte[] jsonByte = null;
        try
        {
            jsonByte = File.ReadAllBytes(tempPath);
            Debug.Log("Loaded Data from: " + tempPath.Replace("/", "\"));
        }
        catch (Exception e)
        {
            Debug.LogWarning("Failed To Load Data from: " + tempPath.Replace("/", "\"));
            Debug.LogWarning("Error: " + e.Message);
        }

        //Convert to json string
        string jsonData = Encoding.ASCII.GetString(jsonByte);

        //Convert to Object
        object resultValue = JsonUtility.FromJson<T>(jsonData);
        return (T)Convert.ChangeType(resultValue, typeof(T));
    }

    public static bool deleteData(string dataFileName)
    {
        bool success = false;

        //Load Data
        string tempPath = Path.Combine(Application.persistentDataPath, "data");
        tempPath = Path.Combine(tempPath, dataFileName + ".txt");

        //Exit if Directory or File does not exist
        if (!Directory.Exists(Path.GetDirectoryName(tempPath)))
        {
            Debug.LogWarning("Directory does not exist");
            return false;
        }

        if (!File.Exists(tempPath))
        {
            Debug.Log("File does not exist");
            return false;
        }

        try
        {
            File.Delete(tempPath);
            Debug.Log("Data deleted from: " + tempPath.Replace("/", "\"));
            success = true;
        }
        catch (Exception e)
        {
            Debug.LogWarning("Failed To Delete Data: " + e.Message);
        }

        return success;
    }
}

Answer 1

在下面的回答中：

companyname = 来自 Build Settings
productname = 来自 Build Settings

Windows:

C:\Users\<userprofile>\AppData\LocalLow\<companyname>\<productname>

Windows 商店:

%userprofile%\AppData\Local\Packages\<productname>\LocalState

Mac:

~/Library/Application Support/companyname/productname

Mac 上的旧版 Unity：

~/Library/Caches folder
~/Library/Application Support/unity.companyname.productname.

Linux:

$XDG_CONFIG_HOME/unity3d/<companyname>/<productname>

与

相同

~/.config/unity3d/<companyname>/<productname>

Android:

/Data/Data/com.<companyname>.<productname>/files

Android 设备上有 SD 卡：

/storage/sdcard0/Android/data/com.<companyname>.<productname>/files

iOS:

/var/mobile/Containers/Data/Application/<RandomFolderName>/Documents

RandomFolderName 全名示例：

/var/mobile/Containers/Data/Application/<055811B9-D125-41B1-A078-F898B06F8C58>/Documents

在 iOS，您将获得访问应用程序沙箱的权限，即文档文件夹。您必须在此目录中创建文件夹才能在其中创建新文件。

如果您在 json 文件中有默认数据值，请将该文件放在 Assets/Resources 文件夹中，这样它将 read-only 然后用 TextAsset. When the game loads, you can use PlayerPrefs to check if this is the 读取正在加载的游戏。

如果这是第一次，请使用 TextAsset.text 中的值。如果未使用，则使用 DataHandler class.

保存值

大致是这样的：

if (PlayerPrefs.GetInt("FIRSTTIMEOPENING", 1) == 1)
{
    Debug.Log("First Time Opening");

    //Set first time opening to false
    PlayerPrefs.SetInt("FIRSTTIMEOPENING", 0);

    //USE TextAsset to load data
    TextAsset txtAsset = (TextAsset)Resources.Load("player", typeof(TextAsset));
    string tileFile = txtAsset.text;
    PlayerInfo pInfo = JsonUtility.FromJson<PlayerInfo>(tileFile);
}
else
{
    Debug.Log("NOT First Time Opening");

    //USE DataHandler to load data
    PlayerInfo pInfo = DataHandler.loadData<PlayerInfo>("player");
}

Application.persistentDataPath 在构建中的位置

Location of Application.persistentDataPath in a build

c#

json

unity3d

unity5