public LoaderInParam(string url, LoadCompleteCallBack callback)
{
Url = url;
Callback = callback;
}
/// <summary>
/// 加载数据
/// </summary>
/// <param name="isPersistant">默认会在persistent文件夹中缓存。当为false时，资源可通过配置文件修改，而不进行persistent文件夹缓存</param>
/// <returns></returns>
public void LoadData(string dataName, LoadCompleteCallBack callback, bool isPersistent = true)
{
string path = null; //ResourcesPath 无扩展名
if (!dataPaths.TryGetValue(dataName, out path))
{
Debug.LogError("load data failed! no exists data: " + dataName);
return;
}
//回调函数不能是空的，必须要使用异步回调返回值
if (callback == null)
{
Debug.LogError("LoadCompleteCallBack is null !");
return;
}
//先去缓存区找
string context = null;
if (dataCaches.TryGetValue(path, out context))
{
callback.Invoke(context);
return;
}
//如果不需要缓存进入本地文件，说明该文件每次都需要从resource中加载，可用配置文件修改并配置
if (isPersistent == false)
{
//从resources中同步读取
Loader l = LoaderManager.Instance.GetLoader(LoaderManager.LoaderType.Sync);
l.StartTask(new LoaderInParam(path, callback)); //完成后，缓存中已经有数据
return;
}
//缓存区不存在或者被清除，或者非第一次启动游戏(缓存区为空)
//从本地文件夹中找
//C:/Users/Administrator/AppData/LocalLow/DefaultCompany/LittleHero
//本地能找到
string localPath = Application.persistentDataPath + "/" + path + ".txt";
if (File.Exists(localPath))
{
//从persistent文件夹中用异步加载方式读取
Loader l = LoaderManager.Instance.GetLoader(LoaderManager.LoaderType.Async);
LoaderInParam param = new LoaderInParam(localPath, callback);
l.StartTask(param);
}
else //本地无法找到，从resources中加载初始数据
{
//从resources中同步读取
Loader l = LoaderManager.Instance.GetLoader(LoaderManager.LoaderType.Sync);
l.StartTask(new LoaderInParam(path, callback)); //完成后，缓存中已经有数据
//写入persistent文件夹
string pathName = PathUtils.GetPathName(path);
string fileName = PathUtils.GetFileName(path);
StreamWriter wr = null;
if (pathName.Equals(""))
{
wr = new StreamWriter(Application.persistentDataPath + "/" + fileName + ".txt", false);
wr.Write(dataCaches[path]);
}
else
{
Directory.CreateDirectory(Application.persistentDataPath + "/" + pathName);
wr = new StreamWriter(Application.persistentDataPath + "/" + path + ".txt", false);
wr.Write(dataCaches[path]);
}
wr.Dispose();
}
}
