C# 快速導出word

       StreamWriter writer = new StreamWriter("D:\a.doc”, false, Encoding.GetEncoding("gb2312"));
             StringBuilder builder = new StringBuilder();
                 builder.Append("<table><tr>");
                    builder.Append("<td align='center'>1</td>");
                    builder.Append("<td align='center'>2</td>");
                    builder.Append(" <td align='center'>3</td>");
                    builder.Append(" <td align='center'>4</td>");
                    builder.Append("</tr></table>");
            writer.WriteLine(builder);
            writer.Close();
            Console.Read();
        }