StreamReader乱码怎么办

Question

          FileStream file = new FileStream(@"D:\uploads\data\1.php", FileMode.OpenOrCreate, FileAccess.ReadWrite);
      //    Encoding c= EncodingType.GetType(file);
            StreamReader sd = new StreamReader(file, Encoding.GetEncoding("gb2312"));            string str = sd.ReadToEnd();
            str = str.Replace("Application=true", "Application=false");
            sd.Close();
            file.Close();            FileStream fs = File.Create(@"D:\uploads\data\1.php");
            StreamWriter sw = new StreamWriter(fs);
            sw.Write(str);
            sw.Flush();
            sw.Close();
            fs.Close();
读php文件中文乱码，应该怎么解决

Answer 1

StreamReader sd = new StreamReader(file, system.text.Encoding.UTF8)