App_Code/DAL/Function.cs

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using System;
using System.Collections.Generic;
using System.Web;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Web.Security;
using System.Text.RegularExpressions;
using System.Text;
using System.Net;

namespace DAL
{
    public class Function
    {

        /*根据当前系统时间生成一个文件名*/
        public static string MakeFileName(string exeFileString)
        {
            System.DateTime now = System.DateTime.Now;
            int year = now.Year;
            int month = now.Month;
            int day = now.Day;
            int hour = now.Hour;
            int minute = now.Minute;
            int second = now.Second;

            string yearString = year.ToString();
            string monthString = month < 10 ? ("0" + month) : month.ToString();
            string dayString = day < 10 ? ("0" + day) : day.ToString();
            string hourString = hour < 10 ? ("0" + hour) : hour.ToString();
            string minuteString = minute < 10 ? ("0" + minute) : minute.ToString();
            string secondString = second < 10 ? ("0" + second) : second.ToString();

            /*根据当前时间的年月日时分秒生成文件名*/
            string fileName = yearString + monthString + dayString + hourString + minuteString + secondString + exeFileString;
            return fileName;
        }



        //清楚文本中的html标签
        public static string RemoveHTMLLabel(string Htmlstring)
        {
            //删除脚本
            Htmlstring = Regex.Replace(Htmlstring, @"<script[^>]*?>.*?</script>", "", RegexOptions.IgnoreCase);
            //删除HTML
            Htmlstring = Regex.Replace(Htmlstring, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"-->", "", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"<!--.*", "", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"&(quot|#34);", "\"", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"&(amp|#38);", "&", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"&(lt|#60);", "<", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"&(gt|#62);", ">", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"&(nbsp|#160);", " ", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"&(iexcl|#161);", "\xa1", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"&(cent|#162);", "\xa2", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"&(pound|#163);", "\xa3", RegexOptions.IgnoreCase);
            Htmlstring = Regex.Replace(Htmlstring, @"&(copy|#169);", "\xa9", RegexOptions.IgnoreCase);