Common/StringHelper.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.IO;
using System.IO.Compression;
using System.Web.UI.WebControls;
using System.Security.Cryptography;
using System.Diagnostics;
using System.Web;
using System.Collections;

namespace Common
{
    public class StringHelper
    {
        #region 刪除HTML標記
        /// <summary>
        /// 刪除HTML標記
        /// </summary>
        /// <param name="htmlString">帶有樣式的字符串</param>
        /// <returns></returns>
        public static string RemoveHtmlFormat(string htmlString)
        {
            return Regex.Replace(htmlString, "<[^>]+>", "");
        }
        #endregion

        #region 截斷字符串
        /// <summary>
        /// 截斷字符串
        /// </summary>
        /// <param name="str">要截斷的字符串</param>
        /// <param name="length">長度</param>
        /// <returns></returns>
        public static string CutString(string str, int length)
        {
            int i = 0, j = 0;
            foreach (char chr in str)
            {
                i += 2;
                if (i > length)
                {
                    str = str.Substring(0, j - 1) + "...";
                    break;
                }
                j++;
            }
            return str;
        }
        #endregion

        #region 生成唯一ID 由數字組成

        /// <summary>
        /// 生成唯一ID
        /// </summary>
        /// <returns></returns>
        public static string CreateIDCode()
        {