HttpPost在不同系统进行数据交互的时候经常被使用。它的最大好处在于直接，不像Webservice或者WCF需要wsdl作为一个双方的"中介"。在安全性上，往往通过IP限制的方式处理。下面以代码说明HttpPost的发送和接收。
发送：
1 using System;
2 using System.Collections.Generic;
3 using System.IO;
4 using System.Linq;
5 using System.Net;
6 using System.Text;
7 using System.Web;
8 using System.Web.UI;
9 using System.Web.UI.WebControls;
10
11 namespace HttpPostDemo.Sender
12 {
13 publicpartialclass Sender : System.Web.UI.Page
14 {
15 protectedvoid Page_Load(object sender, EventArgs e)
16 {
17 var sb =new StringBuilder();
18 sb.Append("<?xml version="1.0" encoding="UTF-8"?> ");
19 sb.Append("<MESSAGE> ");
20 sb.Append(" <HEAD> ");
21 sb.Append(" <CODE>消息标志</CODE> ");
22 sb.Append(" <SID>消息序列号</SID> ");
23 sb.Append(" <TIMESTAMP>时间戳</TIMESTAMP> ");
24 sb.Append(" </HEAD> ");
25 sb.Append(" <BODY> ");
26 sb.Append(" <ECDEPTID>部门ID</ECDEPTID> ");
27 sb.Append(" <ECCODE>EC集团客户编码</ECCODE> ");
28 sb.Append(" <DEPTNAME>部门名称</DEPTNAME> ");
29 sb.Append(" <PARENTID>上级部门ID</PARENTID> ");
30 sb.Append(" <DESCRIPTION>部门描述</DESCRIPTION> ");
31 sb.Append(" </BODY> ");
32 sb.Append("</MESSAGE> ");
33
34
35 var postUrl ="http://localhost:8088/HttpPostDemo/HttpPostDemo.Receive/Receiver.aspx";
36 var resMessage = HttpXmlPostRequest(postUrl, sb.ToString(), Encoding.UTF8);
37 Response.Write(resMessage);
38
39 }
40
41 ///<summary>
42 /// HttpPost发送XML并返回响应
43 ///</summary>
44 ///<param name="postUrl"></param>
45 ///<param name="xml"></param>
46 ///<param name="encoding"></param>
47 ///<returns>Response响应</returns>
48 publicstaticstring HttpXmlPostRequest(string postUrl, string postXml, Encoding encoding)
49 {
50 if (string.IsNullOrEmpty(postUrl))
51 {
52 thrownew ArgumentNullException("HttpXmlPost ArgumentNullException : postUrl IsNullOrEmpty");
53 }
54
55 if (string.IsNullOrEmpty(postXml))
56 {
57 thrownew ArgumentNullException("HttpXmlPost ArgumentNullException : postXml IsNullOrEmpty");
58 }
59
60 var request = (HttpWebRequest)WebRequest.Create(postUrl);
61 byte[] byteArray = encoding.GetBytes(postXml);
62 request.ContentLength = byteArray.Length;
63 request.Method ="post";
64 request.ContentType ="text/xml";
65
66 using (var requestStream = request.GetRequestStream())
67 {
68 requestStream.Write(byteArray, 0, byteArray.Length);
69 }
70
71 using (var responseStream = request.GetResponse().GetResponseStream())
72 {
73 returnnew StreamReader(responseStream, encoding).ReadToEnd();
74 }
75 }
76 }
77 }
2 using System.Collections.Generic;
3 using System.IO;
4 using System.Linq;
5 using System.Net;
6 using System.Text;
7 using System.Web;
8 using System.Web.UI;
9 using System.Web.UI.WebControls;
10
11 namespace HttpPostDemo.Sender
12 {
13 publicpartialclass Sender : System.Web.UI.Page
14 {
15 protectedvoid Page_Load(object sender, EventArgs e)
16 {
17 var sb =new StringBuilder();
18 sb.Append("<?xml version="1.0" encoding="UTF-8"?> ");
19 sb.Append("<MESSAGE> ");
20 sb.Append(" <HEAD> ");
21 sb.Append(" <CODE>消息标志</CODE> ");
22 sb.Append(" <SID>消息序列号</SID> ");
23 sb.Append(" <TIMESTAMP>时间戳</TIMESTAMP> ");
24 sb.Append(" </HEAD> ");
25 sb.Append(" <BODY> ");
26 sb.Append(" <ECDEPTID>部门ID</ECDEPTID> ");
27 sb.Append(" <ECCODE>EC集团客户编码</ECCODE> ");
28 sb.Append(" <DEPTNAME>部门名称</DEPTNAME> ");
29 sb.Append(" <PARENTID>上级部门ID</PARENTID> ");
30 sb.Append(" <DESCRIPTION>部门描述</DESCRIPTION> ");
31 sb.Append(" </BODY> ");
32 sb.Append("</MESSAGE> ");
33
34
35 var postUrl ="http://localhost:8088/HttpPostDemo/HttpPostDemo.Receive/Receiver.aspx";
36 var resMessage = HttpXmlPostRequest(postUrl, sb.ToString(), Encoding.UTF8);
37 Response.Write(resMessage);
38
39 }
40
41 ///<summary>
42 /// HttpPost发送XML并返回响应
43 ///</summary>
44 ///<param name="postUrl"></param>
45 ///<param name="xml"></param>
46 ///<param name="encoding"></param>
47 ///<returns>Response响应</returns>
48 publicstaticstring HttpXmlPostRequest(string postUrl, string postXml, Encoding encoding)
49 {
50 if (string.IsNullOrEmpty(postUrl))
51 {
52 thrownew ArgumentNullException("HttpXmlPost ArgumentNullException : postUrl IsNullOrEmpty");
53 }
54
55 if (string.IsNullOrEmpty(postXml))
56 {
57 thrownew ArgumentNullException("HttpXmlPost ArgumentNullException : postXml IsNullOrEmpty");
58 }
59
60 var request = (HttpWebRequest)WebRequest.Create(postUrl);
61 byte[] byteArray = encoding.GetBytes(postXml);
62 request.ContentLength = byteArray.Length;
63 request.Method ="post";
64 request.ContentType ="text/xml";
65
66 using (var requestStream = request.GetRequestStream())
67 {
68 requestStream.Write(byteArray, 0, byteArray.Length);
69 }
70
71 using (var responseStream = request.GetResponse().GetResponseStream())
72 {
73 returnnew StreamReader(responseStream, encoding).ReadToEnd();
74 }
75 }
76 }
77 }
接收：
using System;
using System.Text;
namespace HttpPostDemo.Receive
{
publicpartialclass Receiver : System.Web.UI.Page
{
protectedvoid Page_Load(object sender, EventArgs e)
{
var inputStream = Request.InputStream;
var strLen = Convert.ToInt32(inputStream.Length);
var strArr =newbyte[strLen];
inputStream.Read(strArr, 0, strLen);
var requestMes = Encoding.UTF8.GetString(strArr);
Response.Write(requestMes);
Response.End();
}
}
}
using System.Text;
namespace HttpPostDemo.Receive
{
publicpartialclass Receiver : System.Web.UI.Page
{
protectedvoid Page_Load(object sender, EventArgs e)
{
var inputStream = Request.InputStream;
var strLen = Convert.ToInt32(inputStream.Length);
var strArr =newbyte[strLen];
inputStream.Read(strArr, 0, strLen);
var requestMes = Encoding.UTF8.GetString(strArr);
Response.Write(requestMes);
Response.End();
}
}
}