PC端网站集成微信支付的关键代码

 1     public static string Get_Code_URL(SortedDictionary<string, string> sParaTemp)
 2     {
 3         StringBuilder submitStr = new StringBuilder(); //要提交的数据
 4         Dictionary<string, string> dPara = BuildRequestPara(sParaTemp);
 5         submitStr.Append("<xml>");
 6         foreach (KeyValuePair<string, string> kvp in dPara)
 7         {
 8             submitStr.Append("<" + kvp.Key + ">" + kvp.Value + "</" + kvp.Key + ">");
 9         }
10         submitStr.Append("</xml>");
11 
12         //提交
13         HttpWebRequest request = WebRequest.Create(PAY_URL) as HttpWebRequest;
14         byte[] requestBytes = Encoding.GetEncoding("UTF-8").GetBytes(submitStr.ToString());
15         request.Method = "POST";
16         request.ContentType = "text/xml";
17         request.ContentLength = requestBytes.Length;
18         Stream requestStream = request.GetRequestStream();
19         requestStream.Write(requestBytes, 0, requestBytes.Length);
20         requestStream.Close();
21 
22         //获取结果
23         HttpWebResponse response = request.GetResponse() as HttpWebResponse;
24         StreamReader reader = new StreamReader(request.GetResponse().GetResponseStream(), Encoding.GetEncoding("UTF-8"));
25         string result = reader.ReadToEnd();
26 
27         //处理结果
28         Dictionary<string, string> dicResult = ReceivePostXmlData(result);
29         if (dicResult["return_code"] != null && dicResult["return_code"].Equals("SUCCESS"))
30         {
31             if (dicResult.Keys.Contains("code_url"))
32             {
33                 return dicResult["code_url"].ToString();
34             }
35             else {
36                 return "";
37             }
38         }
39         return "";
40     }