http基础扩展

 1 public class HttpExtend
 2 {
 3 /// <summary>
 4 /// 日志
 5 /// </summary>
 6 public static readonly ILog Log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 7 
 8 /// <summary> 
 9 /// post提交 Created By ZhangQC 2016.08.23
10 /// </summary>
11 /// <param name="postUrl"></param>
12 /// <param name="paramData"></param>
13 /// <returns></returns>
14 public string PostWebRequest(string postUrl, string paramData)
15 {
16 var ret = string.Empty;
17 try
18 {
19 ServicePointManager.Expect100Continue = false;//防止407 错误
20 Encoding dataEncode = Encoding.GetEncoding("GBK");
21 byte[] byteArray = dataEncode.GetBytes(paramData); //转化
22 
23 var webReq = (HttpWebRequest)WebRequest.Create(new Uri(postUrl));
24 webReq.Method = "POST";
25 webReq.ContentType = "application/x-www-form-urlencoded";
26 webReq.ContentLength = byteArray.Length;
27 
28 Stream newStream = webReq.GetRequestStream();
29 newStream.Write(byteArray, 0, byteArray.Length);//写入参数
30 newStream.Close();
31 var response = (HttpWebResponse)webReq.GetResponse();
32 // ReSharper disable once AssignNullToNotNullAttribute
33 var sr = new StreamReader(response.GetResponseStream(), encoding: Encoding.Default);
34 ret = sr.ReadToEnd();
35 sr.Close();
36 response.Close();
37 newStream.Close();
38 }
39 catch (Exception ex)
40 {
41 Log.ErrorFormat("Post请求出错，用于手机短信发送：{0}",ex);
42 }
43 return ret;
44 }
45 }