unity 写入txt文件

写入txt不需要打开这个提醒他文件，写完记得关闭写入流。

    void NoteReStart()
    {
        restartCnt++;

        StreamWriter sw = new StreamWriter(txt_path);
        sw.WriteLine("重启次数：" + restartCnt.ToString());
        sw.WriteLine("重启时间：" + DateTime.Now.ToString());
        sw.Close();
    }