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);
}