C#生成ANSI編碼格式的文件

VS代碼中的Encoding.ASCII並不是ANSI編碼的意思；

使用GB2312 以代表ANSI編碼

string fileName = "D:\\1234.txt";
StreamWriter sw = new StreamWriter(fileName,false, Encoding.GetEncoding("GB2312"));
sw.WriteLine("col1,col2,col3");
sw.WriteLine("繁體中文,2,3");
sw.WriteLine("簡體中文,2,3");
sw.WriteLine("English,2,3");
sw.Close();
sw.Dispose();