C#中的文本乱码问题

文本乱码问题

//提供一种解决C#文本乱码的解决思路
//写入使用：
 string str;
                str = this.menu.Text;
                string fname = Application.StartupPath + "\\read.txt";
                FileInfo finfo = new FileInfo(fname);
                if (finfo.Exists)
                {
                    finfo.Delete();
                }
                FileStream fs = new FileStream(fname,FileMode.CreateNew);
                StreamWriter sw = new StreamWriter(fs,Encoding.GetEncoding("GB2312"));
                //开始写入
                sw.Write(str);
                //清空缓冲区
                sw.Flush();
                //关闭流
                sw.Close();
                fs.Close();
//读取采用：
string str;
            StreamReader sr = new StreamReader(Application.StartupPath + "\\read.txt", Encoding.Default);
            
            str = sr.ReadToEnd().ToString();
            sr.Close();

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