获取一个url的页面的内容

添加相关的dll(Interop.MSXML2.dll)

 //得到远程html

//url是要获取的页面的url
        public string GetRemoteHtmlCode(string Url)
        {
            string s = null;
            try
            {
                MSXML2.XMLHTTP _xmlhttp = new MSXML2.XMLHTTP();
                _xmlhttp.open("GET", Url, false, null, null);
                _xmlhttp.send("");
                if (_xmlhttp.readyState == 4)
                {
                    //编码 防止乱码
                    s = System.Text.Encoding.UTF8.GetString((byte[])_xmlhttp.responseBody);

                    //s = System.Text.Encoding.GetEncoding("GB2312").GetString((byte[])_xmlhttp.responseBody);
                }
            }
            catch
            {

            }
            return s;
        }

   //解析通用类

      //wordsBegin获取界面的相关信息的开始字符

     //wordsEnd获取界面的相关信息的结束字符
        public string ParseWebCode(string code, string wordsBegin, string wordsEnd)
        {
            string Element = "";
            Regex regex1 = new Regex("" + wordsBegin + @"(?<element>[\s\S]+?)" + wordsEnd + "", RegexOptions.Compiled | RegexOptions.IgnoreCase);
            for (Match match1 = regex1.Match(code); match1.Success; match1 = match1.NextMatch())
            {
                Element = match1.Groups["element"].ToString();

            }
            return Element;
        }