Web后台模拟前端post（带NTLM验证）

1. using System.Data;
2. using System.Net;
3. using System.IO;
4. using System.Net.Http;
5. using System.Web;
6. using System.Collections.Specialized;
7. using System.Web.Script.Serialization;
8. using System.Collections;
9. public string ToPackageJson(DataTable dt) //封装Json
10. {
11. Dictionary<string, string> dic1 = new Dictionary<string, string>();
12. foreach (DataRow dr in dt.Rows)
13. {
14. foreach (DataColumn dc in dt.Columns)
15. {
16. dic1.Add(dc.ColumnName, dr[dc.ColumnName].ToString());
17. }
18. }
19. Dictionary<string, object> dic2 = new Dictionary<string, object>();
20. dic2.Add(dt.TableName, dic1);
21. JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer();
22. javaScriptSerializer.MaxJsonLength = Int32.MaxValue; //取得最大数值
23. 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"}}
24. }
25. public string ToPost(string postURL,string NTLM_UserName,string NTML_PassWord,DataTable dtToPost)
26. 　　{
27. 　　　　//封装Json
28. 　string strJson = ToPackageJson(dtToPost);
29. //通过NTLM验证
30. 　　　　//1、创建空白的网站证书缓存
31. System.Net.CredentialCache MyCredentialCache = new System.Net.CredentialCache();
32. 　　　　//指定以b2c用户通过NTLM身份验证
33. MyCredentialCache.Add(new System.Uri(postURL), "NTLM", new System.Net.NetworkCredential(NTLM_UserName, NTML_PassWord));
34. HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(postURL);
35. httpWebRequest.Credentials = MyCredentialCache;
36. httpWebRequest.Method = "POST";
37. httpWebRequest.ContentType = "application/json;charset=UTF-8";
38. //httpWebRequest.Headers.Add(HttpRequestHeader.Authorization, authStr);　//auth权限验证　　　
39. //将Json字符串转化为字节
40. byte[] postDataByte = Encoding.UTF8.GetBytes(strJson);
41. httpWebRequest.ContentLength = postDataByte.Length;
42. httpWebRequest.AllowAutoRedirect = false;
43. httpWebRequest.KeepAlive = true;
44. httpWebRequest.ContentLength = postDataByte.Length;
45. //获取用于写入请求数据的Stream对象
46. Stream writer = httpWebRequest.GetRequestStream();
47. //将请求参数写入流
48. writer.Write(postDataByte, 0, postDataByte.Length);
49. //关闭请求流
50. writer.Close();
51. //http响应所返回的字符流
52. string responseResult = "";
53. HttpWebResponse response = null;
54. try
55. {
56. //获取http返回的响应流
57. response = (HttpWebResponse)httpWebRequest.GetResponse();
58. }
59. catch (WebException ex)
60. {
61. 　　　　　　response = (HttpWebResponse)ex.Response;
62. }
63. //读取响应流内容
64. StreamReader sr = new StreamReader(response.GetResponseStream());
65. responseResult = sr.ReadToEnd();
66. //关闭读取器
67. sr.Close();
68. return responseResult;
69. }