本人就是参考这篇文章里的代码改进自己的项目。
<span style="color: #008080;"> 1</span> <span style="color: #008000;">//</span><span style="color: #008000;">body是要传递的参数,格式"roleId=1&uid=2"</span>
2 //post的cotentType填写:
3 //“application/x-www-form-urlencoded”
4 //soap填写:”text/xml; charset=utf-8″
5 public static string PostHttp(string url, string body, string contentType)
6 {
7 HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
8
9 httpWebRequest.ContentType = contentType;
10 httpWebRequest.Method = “POST“;
11 httpWebRequest.Timeout = 20000;
12
13 byte[] btBodys = Encoding.UTF8.GetBytes(body);
14 httpWebRequest.ContentLength = btBodys.Length;
15 httpWebRequest.GetRequestStream().Write(btBodys, 0, btBodys.Length);
16
17 HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
18 StreamReader streamReader = new StreamReader(httpWebResponse.GetResponseStream());
19 string responseContent = streamReader.ReadToEnd();
20
21 httpWebResponse.Close();
22 streamReader.Close();
23 httpWebRequest.Abort();
24 httpWebResponse.Close();
25
26 return responseContent;
27 }
<span style="color: #008080;"> 1</span> <span style="color: #808080;">///</span> <span style="color: #808080;"><summary></span>
2 /// 通过WebClient类Post数据到远程地址，需要Basic认证；
3 /// 调用端自己处理异常
4 /// </summary>
5 /// <param name=”uri”></param>
6 /// <param name=”paramStr”>name=张三&age=20</param>
7 /// <param name=”encoding”>请先确认目标网页的编码方式</param>
8 /// <param name=”username”></param>
9 /// <param name=”password”></param>
10 /// <returns></returns>
11 public static string Request_WebClient(string uri, string paramStr, Encoding encoding, string username, string password)
12 {
13 if (encoding == null)
14 encoding = Encoding.UTF8;
15
16 string result = string.Empty;
17
18 WebClient wc = new WebClient();
19
20 // 采取POST方式必须加的Header
21 wc.Headers.Add(“Content-Type“, “application/x-www-form-urlencoded“);
22
23 byte[] postData = encoding.GetBytes(paramStr);
24
25 if (!string.IsNullOrEmpty(username) && !string.IsNullOrEmpty(password))
26 {
27 wc.Credentials = GetCredentialCache(uri, username, password);
28 wc.Headers.Add(“Authorization“, GetAuthorization(username, password));
29 }
30
31 byte[] responseData = wc.UploadData(uri, “POST“, postData); // 得到返回字符流
32 return encoding.GetString(responseData);// 解码
33 }
<span style="color: #008080;"> 1</span> <span style="color: #0000ff;">public</span> <span style="color: #0000ff;">static</span> <span style="color: #0000ff;">string</span> GetHttp(<span style="color: #0000ff;">string</span><span style="color: #000000;"> url, HttpContext httpContext)</span>
2 {
3 string queryString = “?“;
4
5 foreach (string key in httpContext.Request.QueryString.AllKeys)
6 {
7 queryString += key + “=“ + httpContext.Request.QueryString[key] + “&“;
8 }
9
10 queryString = queryString.Substring(0, queryString.Length – 1);
11
12 HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(url + queryString);
13
14 httpWebRequest.ContentType = “application/json“;
15 httpWebRequest.Method = “GET“;
16 httpWebRequest.Timeout = 20000;
17
18 //byte[] btBodys = Encoding.UTF8.GetBytes(body);
19 //httpWebRequest.ContentLength = btBodys.Length;
20 //httpWebRequest.GetRequestStream().Write(btBodys, 0, btBodys.Length);
21
22 HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
23 StreamReader streamReader = new StreamReader(httpWebResponse.GetResponseStream());
24 string responseContent = streamReader.ReadToEnd();
25
26 httpWebResponse.Close();
27 streamReader.Close();
28
29 return responseContent;
30 }
<span style="color: #008080;"> 1</span> <span style="color: #808080;">///</span> <span style="color: #808080;"><summary></span>
2 /// 通过 WebRequest/WebResponse 类访问远程地址并返回结果，需要Basic认证；
3 /// 调用端自己处理异常
4 /// </summary>
5 /// <param name=”uri”></param>
6 /// <param name=”timeout”>访问超时时间，单位毫秒；如果不设置超时时间，传入0</param>
7 /// <param name=”encoding”>如果不知道具体的编码，传入null</param>
8 /// <param name=”username”></param>
9 /// <param name=”password”></param>
10 /// <returns></returns>
11 public static string Request_WebRequest(string uri, int timeout, Encoding encoding, string username, string password)
12 {
13 string result = string.Empty;
14
15 WebRequest request = WebRequest.Create(new Uri(uri));
16
17 if (!string.IsNullOrEmpty(username) && !string.IsNullOrEmpty(password))
18 {
19 request.Credentials = GetCredentialCache(uri, username, password);
20 request.Headers.Add(“Authorization“, GetAuthorization(username, password));
21 }
22
23 if (timeout > 0)
24 request.Timeout = timeout;
25
26 WebResponse response = request.GetResponse();
27 Stream stream = response.GetResponseStream();
28 StreamReader sr = encoding == null ? new StreamReader(stream) : new StreamReader(stream, encoding);
29
30 result = sr.ReadToEnd();
31
32 sr.Close();
33 stream.Close();
34
35 return result;
36 }
37
38 #region # 生成 Http Basic 访问凭证 #
39
40 private static CredentialCache GetCredentialCache(string uri, string username, string password)
41 {
42 string authorization = string.Format(“{0}:{1}“, username, password);
43
44 CredentialCache credCache = new CredentialCache();
45 credCache.Add(new Uri(uri), “Basic“, new NetworkCredential(username, password));
46
47 return credCache;
48 }
49
50 private static string GetAuthorization(string username, string password)
51 {
52 string authorization = string.Format(“{0}:{1}“, username, password);
53
54 return “Basic “ + Convert.ToBase64String(new ASCIIEncoding().GetBytes(authorization));
55 }
56
57 #endregion