Hl.Code/TextHelper.cs

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using System;
using System.Text;
using System.IO;
using System.Web;

namespace Hl.Code
{
    /// <summary>
    /// txt文件操作
    /// </summary>
    public class TextHelper
    {
        /// <summary>
        /// 读取文件
        /// </summary>
        public static string SelectText(string filePath, bool isReadLine)
        {
            string returnInfo = "";
            #region "处理"
            try
            {
                filePath = HttpContext.Current.Server.MapPath(filePath);
                if (File.Exists(filePath))
                {
                    string strInput = "";
                    StreamReader sr = new StreamReader(filePath, UnicodeEncoding.GetEncoding("gb2312"));
                    strInput = sr.ReadLine();
                    while (strInput != null)
                    {
                        returnInfo += strInput + (isReadLine ? "\r\n" : "");
                        strInput = sr.ReadLine();
                    }
                    sr.Close();
                }
                else
                {
                    returnInfo = "";
                }
            }
            catch { }
            #endregion
            return returnInfo;
        }

        /// <summary>
        /// 创建text
        /// </summary>
        public static void CreateText(string filePath, string txtString)
        {
            FileStream fs = null;
            try
            {
                filePath = HttpContext.Current.Server.MapPath(filePath);
                if (File.Exists(filePath))
                {
                    fs = new FileStream(filePath, FileMode.Append, FileAccess.Write);
                    StreamWriter sw = new StreamWriter(fs, Encoding.UTF8);
                    sw.WriteLine(txtString);
                    sw.Flush();
                    sw.Close();