Exemplo n.º 1
0
        public void Post2()
        {
            string url = "http://jwc.jxnu.edu.cn/Portal/LoginAccount.aspx?t=account";

            //得到表单中所有要提交的元素的name和value。
            List <string> values = WebHelper.GetElementContent(url, "input", "value");
            List <string> names  = WebHelper.GetElementContent(url, "input", "name");

            //自动填充表单
            Dictionary <string, string> postPair = new Dictionary <string, string>();

            for (int i = 0, len = names.Count(); i < len; i++)
            {
                postPair.Add(names.ElementAtOrDefault(i), values.ElementAtOrDefault(i));
            }

            //利用一个字典,将对应的name和value放进去。当然,要想登录,我们还是得需要用户名和密码:
            WebHelper.SetParams("_ctl0:cphContent:ddlUserType", "Student", postPair);
            WebHelper.SetParams("_ctl0:cphContent:txtUserNum", "1467004007", postPair);
            WebHelper.SetParams("_ctl0:cphContent:txtPassword", "cx763225207", postPair);
            WebHelper.SetParams("_ctl0:cphContent:btnLogin", "登录", postPair);

            WebHelper.UrlEncodeParams(postPair);

            CookieContainer cookies = new CookieContainer();
            string          postStr = "";

            foreach (string key in postPair.Keys)
            {
                postStr += key + "=" + postPair[key] + "&";
            }
            byte[]         postData = Encoding.ASCII.GetBytes(postStr.Substring(0, postStr.Length - 1));
            HttpWebRequest request  = (HttpWebRequest)WebRequest.Create(url);

            request.Method            = "POST";
            request.AllowAutoRedirect = false;
            request.ContentType       = "application/x-www-form-urlencoded;charset=gbk";
            request.CookieContainer   = new CookieContainer();
            request.UserAgent         = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.95 Safari/537.11";
            request.ContentLength     = postData.Length;

            Stream requestStream = request.GetRequestStream();

            requestStream.Write(postData, 0, postData.Length);
            requestStream.Close();

            HttpWebResponse response       = (HttpWebResponse)request.GetResponse();
            Stream          responseStream = response.GetResponseStream();
            StreamReader    reader         = new StreamReader(responseStream);

            string cookie     = response.Headers.Get("Set-Cookie");
            string resultPage = reader.ReadToEnd();

            //cookie = System.Web.HttpUtility.UrlEncode(cookie);

            //Response.Write("登录测试HTML结果:<br />" + resultPage+"<br /> Cookie="+cookie);

            string LoginResult = "失败";

            if (resultPage.Contains("Object moved to"))
            {
                LoginResult = "成功";
            }

            logger.Debug("【江西师范大学教务在线模拟登录】登录测试HTML结果: 登录" + LoginResult + "\r\n Html内容为:" + resultPage + "\r\n Cookie=" + cookie);

            Response.Write("【江西师范大学教务在线模拟登录】登录测试HTML结果:登录" + LoginResult + "<br /> Html内容为:" + resultPage + "<br /> Cookie=" + cookie);

            //带着返回的Cookie跳转新页面
            //string html = WebHelper.GetHtml("http://jwc.jxnu.edu.cn/Portal/index.aspx",WebHelper.GetCookieName(cookie), WebHelper.GetCookieValue(cookie));

            string html = WebHelper.GetHtml("http://jwc.jxnu.edu.cn/Portal/index.aspx", "JwOAUserSettingNew", WebHelper.GetCookieValue(cookie));

            reader.Close();
            responseStream.Close();
            Response.Write(html);
        }