!24 post方法增加请求超时配置

Merge pull request !24 from xbzhu/N/A

Infrastructure/Helper/HttpHelper.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Net.Http;
 using System.Text;
@@ -21,7 +21,8 @@ namespace Infrastructure
         {
             postData = postData ?? "";
             using (HttpClient client = new HttpClient())
-            {
+            {                
+                client.Timeout = new TimeSpan(0, 0, timeOut);
                 if (headers != null)
                 {
                     foreach (var header in headers)