文本文件处理封装类源代码

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.IO;

namespace MyQuery.Utils
{
    /// <summary>
    /// 封装Txt文件处理
    /// by 贾世义 2011-5-27
    /// </summary>
    public static class TxtHelper
    {
        /// <summary>
        /// 加载txt数据到DataSet
        /// </summary>
        /// <param name="fileName">完整路径txt文件名以.txt为后缀</param>
        /// <param name="encoding">字符类型默认GBK</param>
        /// <param name="split">分割字符</param>
        /// <param name="isFirstTitle">首行是否为标题行</param>
        /// <returns></returns>
        public static DataSet GetDataFromTxt(string fileName, string encoding, char split, bool isFirstTitle)
        {
            DataSet ds = null;
            if (IsTxtFile(fileName) && File.Exists(fileName))
            {
                DataTable dt = new DataTable();
                Encoding ecode;
                if (String.IsNullOrEmpty(encoding))
                {
                    ecode = Encoding.GetEncoding("GBK");
                }
                else
                {
                    ecode = Encoding.GetEncoding(encoding);
                }
                int i = 0;
                string[] lines = File.ReadAllLines(fileName, ecode);
                foreach (string line in lines)
                {
                    string[] options = DataHelper.GetStrings(line, split);
                    if (options != null)
                    {
                        //列
                        if (i == 0)
                        {
                            for (int j = 0; j < options.Length; j++)
                            {
                                string n = null;
                                if (isFirstTitle)
                                {
                                    n = options[j];
                                }
                                if (String.IsNullOrEmpty(n))
                                {
                                    n = j.ToString();
                                }
                                dt.Columns.Add(n);
                            }
                            i = 1;
                            if (isFirstTitle)
                            {
                                continue;
                            }
       &

补充：软件开发 , C# ,