[转]Web后台模拟前端post（带NTLM验证）

本文转自：http://www.cnblogs.com/pzstudyhard/p/4805885.html

using System.Data;

• using System.Net;
• using System.IO;
• using System.Net.Http;
• using System.Web;
• using System.Collections.Specialized;
• using System.Web.Script.Serialization;
• using System.Collections;
• public string ToPackageJson(DataTable dt) //封装Json
• {
• Dictionary<string, string> dic1 = new Dictionary<string, string>();
• foreach (DataRow dr in dt.Rows)
• {
• foreach (DataColumn dc in dt.Columns)
• {
• dic1.Add(dc.ColumnName, dr[dc.ColumnName].ToString());
• }
• }
• Dictionary<string, object> dic2 = new Dictionary<string, object>();
• dic2.Add(dt.TableName, dic1);
• JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer();
• javaScriptSerializer.MaxJsonLength = Int32.MaxValue; //取得最大数值
• return javaScriptSerializer.Serialize(dic2); //返回一个json字符串　　{"dt.TableName":{"列名1":"列值1","列名2":"列值2","列名n":"列值n"}}
• }
• public string ToPost(string postURL,string NTLM_UserName,string NTML_PassWord,DataTable dtToPost)
• 　　{
• 　　　　//封装Json
• 　string strJson = ToPackageJson(dtToPost);
• //通过NTLM验证
• 　　　　//1、创建空白的网站证书缓存
• System.Net.CredentialCache MyCredentialCache = new System.Net.CredentialCache();
• 　　　　//指定以b2c用户通过NTLM身份验证
• MyCredentialCache.Add(new System.Uri(postURL), "NTLM", new System.Net.NetworkCredential(NTLM_UserName, NTML_PassWord));
• HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(postURL);
• httpWebRequest.Credentials = MyCredentialCache;
• httpWebRequest.Method = "POST";
• httpWebRequest.ContentType = "application/json;charset=UTF-8";
• //将Json字符串转化为字节
• byte[] postDataByte = Encoding.UTF8.GetBytes(strJson);
• httpWebRequest.ContentLength = postDataByte.Length;
• httpWebRequest.AllowAutoRedirect = false;
• httpWebRequest.KeepAlive = true;
• httpWebRequest.ContentLength = postDataByte.Length;
• //获取用于写入请求数据的Stream对象
• Stream writer = httpWebRequest.GetRequestStream();
• //将请求参数写入流
• writer.Write(postDataByte, 0, postDataByte.Length);
• //关闭请求流
• writer.Close();
• //http响应所返回的字符流
• string responseResult = "";
• HttpWebResponse response = null;
• try
• {
• //获取http返回的响应流
• response = (HttpWebResponse)httpWebRequest.GetResponse();
• }
• catch (WebException ex)
• {
• 　　　　　　response = (HttpWebResponse)ex.Response;
• }
• //读取响应流内容
• StreamReader sr = new StreamReader(response.GetResponseStream());
• responseResult = sr.ReadToEnd();
• //关闭读取器
• sr.Close();
• return responseResult;
• }