最后 Gethtml（）得到的是错误页

DMXming · 发表于 2015-5-17 11:09:02

后台代码

[C#] 纯文本查看 复制代码

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                HttpItem item1 = new HttpItem()
                {
                    URL = "https://www.sgs.gov.cn/notice/home",
                    Method = "get",//URL     可选项 默认为Get   
                    ResultType = ResultType.Byte
                };
                HttpResult result1 = http.GetHtml(item1);
                string ds= result1.Html;
                string str1=  ds.Substring(ds.IndexOf("code")+5) ;
                str1= str1.Substring(0,str1.IndexOf(','));
                hid_sessionid.Value = str1.Replace("\"", "").Trim();//得到session.token的值
                HttpItem item = new HttpItem()
                {
                    URL = "https://www.sgs.gov.cn/notice/captcha",
                    Method = "get",//URL     可选项 默认为Get   
                    ResultType = ResultType.Byte
                };
                HttpResult result = http.GetHtml(item);
                System.IO.File.WriteAllBytes(Server.MapPath("yzm.png"), result.ResultByte);  //下载验证码图片
                yzmimg.Src = "yzm.png";
                Session["tmp"] = result1;
            }
        }

        protected void Btn_sub_Click(object sender, EventArgs e)
        {
            //创建Httphelper参数对象
            HttpResult sub = Session["tmp"] as HttpResult;
            HttpItem item = new HttpItem()
            {
                URL = "https://www.sgs.gov.cn/notice/search/ent_info_list",//URL     必需项    
                Referer = "https://www.sgs.gov.cn/notice/home",
                Method = "post",//URL     可选项 默认为Get   
                ContentType = "application/x-www-form-urlencoded",//返回类型    可选项有默认值
                Postdata = "searchType=1&captcha=" + HttpUtility.UrlEncode(txt.Text) + "&session.token=" + hid_sessionid.Value + "&condition.keyword=%E5%AE%9D%E4%BF%A1",            
                UserAgent="Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko",
                //Post要发送的数据，txt.Text手动输的验证码
                Cookie = sub.Cookie.Replace("; Path=/", ""),
            };
            //请求的返回值对象
            HttpResult result = http.GetHtml(item);
            //获取请请求的Html
            
            string html = result.Html;
            //获取请求的Cookie

        }

页面webform 内容

[HTML] 纯文本查看 复制代码

<body>
    <form id="form1" runat="server">

        <img runat="server" id="yzmimg"/>
        <asp:TextBox runat="server" ID="txt"></asp:TextBox>
        <asp:Button runat="server" ID="Btn_sub" OnClick="Btn_sub_Click" />
        <input type="hidden" id="hid_sessionid" runat="server" />
    </form>
</body>

最后得到的GetHtml（）,是个错误页得内容，无力解决，求助

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[求助] 最后 Gethtml（）得到的是错误页