Common/StringHelper.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Security.Cryptography;
using System.Web;
using Microsoft.VisualBasic;
namespace MyShop.Common
{
    public  class StringHelper
    {
        // Methods
        public static void AppendString(StringBuilder sb, string append)
        {
            AppendString(sb, append, ",");
        }

        public static void AppendString(StringBuilder sb, string append, string split)
        {
            if (sb.Length == 0)
            {
                sb.Append(append);
            }
            else
            {
                sb.Append(split);
                sb.Append(append);
            }
        }

        public static string Base64StringDecode(string input)
        {
            byte[] bytes = Convert.FromBase64String(input);
            return Encoding.UTF8.GetString(bytes);
        }

        public static string Base64StringEncode(string input)
        {
            return Convert.ToBase64String(Encoding.UTF8.GetBytes(input));
        }

        public static bool CheckNodePurview(string arrstr1, string arrstr2)
        {
            if (!string.IsNullOrEmpty(arrstr1) && !string.IsNullOrEmpty(arrstr2))
            {
                string[] strArray = arrstr1.Split(new char[] { Convert.ToChar(",") });
                string[] strArray2 = arrstr2.Split(new char[] { Convert.ToChar(",") });
                foreach (string str in strArray)
                {
                    foreach (string str2 in strArray2)
                    {
                        if (!string.IsNullOrEmpty(str2.Trim()) && (str2.Trim() == str.Trim()))
                        {
                            return true;
                        }
                    }
                }
            }
            return false;
        }