public static string GetFullPath(RootDirectoryLocation rootLocation, string subPath)
{
if (rootLocation == RootDirectoryLocation.AbsolutePath)
{
return(subPath);
}
string rootPath;
switch (rootLocation)
{
case RootDirectoryLocation.GameDataPath:
rootPath = Application.dataPath;
break;
case RootDirectoryLocation.StreamingAssetsPath:
rootPath = Application.streamingAssetsPath;
break;
case RootDirectoryLocation.PersistentDataPath:
rootPath = Application.persistentDataPath;
break;
default:
throw new ArgumentOutOfRangeException();
}
return(rootPath + "/" + subPath);
}
public static void WriteLinesToFile(string[] lines, string fileName, RootDirectoryLocation rootLocation = RootDirectoryLocation.GameDataPath)
{
string path = GetFullPath(rootLocation, fileName);
//将lines字符串数组写入path指定的文件，如果文件已经存在，将被覆盖
File.WriteAllLines(path, lines);
}
public static void WriteToBinaryFile(object data, string fileName, RootDirectoryLocation rootLocation = RootDirectoryLocation.GameDataPath)
{
string fullPathFileName = GetFullPath(rootLocation, fileName);
BinaryFormatter bf = new BinaryFormatter(); //声明一个BinaryFormatter对象实例bf
FileStream file = File.Create(fullPathFileName); //创建要保存的文件，返回对这个文件进行操作的文件流file
bf.Serialize(file, data); //将data对象的信息转换成二进制信息流，存放入file所对应的文件
file.Close(); //关闭file所对应的文件
}
public static string[] ReadLinesFromFile(string fileName, RootDirectoryLocation rootLocation = RootDirectoryLocation.GameDataPath)
{
string path = GetFullPath(rootLocation, fileName);
//如果要读取的文件存在，就读取里面的内容，按行写入字符串数组
if (File.Exists(path))
{
string[] lines = File.ReadAllLines(path);
return(lines);
}
else
{
throw new System.Exception("文件不存在！");
}
}
public static object ReadFromBinaryFile(string fileName, RootDirectoryLocation rootLocation = RootDirectoryLocation.GameDataPath)
{
string fullPathFileName = GetFullPath(rootLocation, fileName);
if (File.Exists(fullPathFileName)) //判断要读取的二进制文件是否存在
{
BinaryFormatter bf = new BinaryFormatter(); //声明一个BinaryFormatter对象实例bf
FileStream file = File.Open(fullPathFileName, FileMode.Open); //打开文件，返回对这个文件进行操作的文件流file
object load = bf.Deserialize(file); //将文件数据反序列化，转换为对象
file.Close(); //关闭file所对应的文件
return(load); //返回从文件数据转换而来的对象
}
else
{
throw new System.Exception("文件不存在！");
}
}
