Uni補足00411 Unityで外部テキストファイルを読み書きしてみる。

----------------- WriteTxtScr.cs-----全文ソース----------------------
using UnityEngine;
using System.Collections;
using System.IO; //System.IO.FileInfo, System.IO.StreamReader, System.IO.StreamWriter//File.ReadAllLines


public class WriteTxtScr : MonoBehaviour
{

private string guitxt = "";
private string guitxt2 = "";
private string outputTextData = "WriteText.txt";

TextReader txtReader;

void Start()
{
guitxt = "ファイルの書き込み";
//StartCoroutine("SaveText");
WriteFile(guitxt);
}

void OnGUI()
{
GUI.TextArea(new Rect(5, 155, 200, 60), guitxt);

if (GUI.Button(new Rect(300, 155, 100, 40), "書き込みテスト"))
{
//StartCoroutine("LoadText2");
ReadLine();
}

GUI.TextArea(new Rect(5, 200, 250, 100), guitxt2);
}


void WriteFile(string txt)
{
string path = "";
//guitxt = "書き込み\n";

if (Application.platform == RuntimePlatform.Android)
{
// Android
path = Application.persistentDataPath + "/" + outputTextData;
FileInfo fi = new FileInfo(path);
guitxt += " - and\n";
using (StreamWriter sw = fi.CreateText())
{
sw.WriteLine(guitxt);
}
}
else if (Application.platform == RuntimePlatform.WindowsEditor)
{
//Unity
path = Application.dataPath + "/" + outputTextData;
FileInfo fi = new FileInfo(path);
guitxt += " - uni\n";
using (StreamWriter sw = fi.CreateText())
{
sw.WriteLine(guitxt);
}
}
else if (Application.platform == RuntimePlatform.WindowsPlayer)
{
// Windows
path = Application.dataPath + "/" + outputTextData;
FileInfo fi = new FileInfo(path);
guitxt += " - win\n";
using (StreamWriter sw = fi.CreateText())
{
sw.WriteLine(guitxt);
}
}
else
{
//other
path = Application.dataPath + "/" + outputTextData;
FileInfo fi = new FileInfo(path);
guitxt += " - oth\n";
using (StreamWriter sw = fi.CreateText())
{
sw.WriteLine(guitxt);
}
}

}



void WriteFile2(string txt)
{
string path = "";
//guitxt = "書き込み\n";

#if UNITY_EDITOR
path = Application.dataPath + "/" + outputTextData;
FileInfo fi = new FileInfo(path);
using (StreamWriter sw = fi.CreateText())
{
sw.WriteLine(guitxt);
}

#elif UNITY_ANDROID
path = Application.persistentDataPath + "/" + outputTextData;
FileInfo fi = new FileInfo(path);
using (StreamWriter sw = fi.CreateText())
{
sw.WriteLine(guitxt);
}
#endif

}

IEnumerator SaveText()
{
string path = "";
guitxt = "書き込み\n";

#if UNITY_EDITOR
path = Application.dataPath + "/" + outputTextData;
FileInfo fi = new FileInfo(path);
using (StreamWriter sw = fi.CreateText())
{
sw.WriteLine(guitxt);
}
yield return new WaitForSeconds(0f);
#elif UNITY_ANDROID
path = Application.persistentDataPath + "/" + outputTextData;
FileInfo fi = new FileInfo(path);
using (StreamWriter sw = fi.CreateText())
{
sw.WriteLine(guitxt);
}
yield return new WaitForSeconds(0f);
#endif

}


void ReadLine()
{

string txtBuffer = "";
string path = "";

if (Application.platform == RuntimePlatform.Android)
{
// Android
path = Application.persistentDataPath + "/" + outputTextData;
FileStream file = new FileStream(path, FileMode.Open, FileAccess.Read);
txtReader = new StreamReader(file);
guitxt2 = "1ANDROID\r\n";
}
else if (Application.platform == RuntimePlatform.WindowsEditor)
{
// Unity
path = Application.dataPath + "/" + outputTextData;
FileStream file = new FileStream(path, FileMode.Open, FileAccess.Read);
txtReader = new StreamReader(file);
guitxt2 = "1Unity\r\n";
}
else if (Application.platform == RuntimePlatform.WindowsPlayer)
{
// Windows
path = Application.dataPath + "/" + outputTextData;
FileStream file = new FileStream(path, FileMode.Open, FileAccess.Read);
txtReader = new StreamReader(file);
guitxt2 = "1WINDOWS\r\n";
}
else
{

}

while ((txtBuffer = txtReader.ReadLine()) != null)
{
guitxt2 = guitxt2 + txtBuffer + "\r\n";
}

}

void ReadLine2()
{
string txtBuffer = "";
string path = "";
#if UNITY_EDITOR
path = Application.dataPath + "/" + outputTextData;
FileStream file = new FileStream(path, FileMode.Open, FileAccess.Read);
txtReader = new StreamReader(file);
guitxt2 = "2WINDOWS\r\n";

#elif UNITY_ANDROID
path = Application.persistentDataPath + "/" + outputTextData;
FileStream file = new FileStream(path, FileMode.Open, FileAccess.Read);
txtReader = new StreamReader(file);
guitxt2 = "2ANDROID\r\n";

#endif
while ((txtBuffer = txtReader.ReadLine()) != null)
{
guitxt2 = guitxt2 + txtBuffer + "\r\n";
}
}

IEnumerator LoadText2()
{
string txtBuffer = "";
string path = "";
#if UNITY_EDITOR
path = Application.dataPath + "/" + outputTextData;
FileStream file = new FileStream(path, FileMode.Open, FileAccess.Read);
txtReader = new StreamReader(file);
guitxt2 = "WINDOWS\r\n";
yield return new WaitForSeconds(0f);
#elif UNITY_ANDROID
path = Application.persistentDataPath + "/" + outputTextData;
FileStream file = new FileStream(path, FileMode.Open, FileAccess.Read);
txtReader = new StreamReader(file);
guitxt2 = "ANDROID\r\n";
yield return new WaitForSeconds(0f);
#endif
while ((txtBuffer = txtReader.ReadLine()) != null)
{
guitxt2 = guitxt2 + txtBuffer + "\r\n";
}
}

}

---------------- WriteTxtScr.cs------全文ソース----------------------