读文件

private void ReadFile(string country){

StreamReader sr = null;

try {

sr = File.OpenText (Application.persistentDataPath + "//" + "FileName" + country + ".txt");

AllData = sr.ReadToEnd ();

//dosomething

} catch (Exception e) {

Debug.Log("error:"+e.Message);

}

sr.Close ();

sr.Dispose ();

}

写文件

public void WriteToFile(){

File.Delete (Application.persistentDataPath+"//"+"FileName"+".txt");

StreamWriter sw;

FileInfo fi=new FileInfo(Application.persistentDataPath+"//"+"FileName"+".txt");

if(!fi.Exists)          {

sw = fi.CreateText();

} else{

sw = fi.AppendText();

}

sw.Write ("");

sw.Flush();

sw.Close();

}