code/Athena0.0.1/tool/Web/WebHelper.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;

namespace Athena.tool.Code
{
    public class WebHelper
    {
        #region ResolveUrl(解析相对Url)
        /// <summary>
        /// 解析相对Url
        /// </summary>
        /// <param name="relativeUrl">相对Url</param>
        public static string ResolveUrl(string relativeUrl)
        {
            if (string.IsNullOrWhiteSpace(relativeUrl))
                return string.Empty;
            relativeUrl = relativeUrl.Replace("\\", "/");
            if (relativeUrl.StartsWith("/"))
                return relativeUrl;
            if (relativeUrl.Contains("://"))
                return relativeUrl;
            return VirtualPathUtility.ToAbsolute(relativeUrl);
        }

        #endregion

        #region HtmlEncode(对html字符串进行编码)
        /// <summary>
        /// 对html字符串进行编码
        /// </summary>
        /// <param name="html">html字符串</param>
        public static string HtmlEncode(string html)
        {
            return HttpUtility.HtmlEncode(html);
        }
        /// <summary>
        /// 对html字符串进行解码
        /// </summary>
        /// <param name="html">html字符串</param>
        public static string HtmlDecode(string html)
        {
            return HttpUtility.HtmlDecode(html);
        }

        #endregion

        #region UrlEncode(对Url进行编码)

        /// <summary>
        /// 对Url进行编码
        /// </summary>
        /// <param name="url">url</param>
        /// <param name="isUpper">编码字符是否转成大写,范例,"http://"转成"http%3A%2F%2F"</param>
        public static string UrlEncode(string url, bool isUpper = false)
        {