如何发送HTTP Web请求？ [英] How do send HTTP web request?

问题描述

您好我正在尝试发送HTTP帖子请求，请在下面找到：

 http：//test.p-44 .com / xml / pickup.xml？p44Login = DEMO& p44Password = DEMO& xml =< dispatchrequest>< vendorcode> CODE < /   vendorcode  >  ...（ 发​​送请求xml） ... < /   dispatchrequest  >  
 
 当我正在尝试 每次我得到上述请求时网页例外你可以帮助我  这个。 
 
示例代码：
 
  Dim  WebRequest  As  HttpWebRequest =  CType （HttpWebRequest.Create（  https：/ /test.p-44.com/xml/pickup.xml），HttpWebRequest）
 
 WebRequest.AllowAutoRedirect =  False  
 WebRequest.Method =   POST; 
 WebRequest.ContentType =   text / xml 
  Dim  requestStream  As  Stream = WebRequest.GetRequestStream（）
  Dim  Somebyte（） As   Byte  = Encoding.UTF8.GetBytes（requstXML）
 requestStream。写（Somebyte， 0 ，Somebyte.Length）
 requestStream.Close（）
 
  Dim  myResponseFDX  As  HttpWebResponse =  CType （WebRequest.GetResponse（），HttpWebResponse）

我尝试过：



你好我正在尝试发送HTTP帖子请求，请在上面找到我描述的问题。

解决方案

使用 System.Net;
使用 System.Text; // 类编码
POST

var request =（HttpWebRequest）WebRequest.Create（ http：// www .example.com的/ recepticle.aspx）;

var postData = thing1 =你好;
postData + = & thing2 = world;
var data = Encoding.ASCII.GetBytes（postData）;

request.Method = POST;
request.ContentType = application / x-www-form-urlencoded;
request.ContentLength = data.Length;

使用（ var stream = request.GetRequestStream（））
{
stream.Write（data， 0 ，data.Length）;
}

var response =（HttpWebResponse）request.GetResponse（）;

var responseString = new StreamReader（response.GetResponseStream（））。ReadToEnd （）;
GET

var request =（HttpWebRequest）WebRequest.Create（ http://www.example.com/recepticle.aspx）;

var response =（HttpWebResponse）request.GetResponse（）;

var responseString = new StreamReader（response.GetResponseStream（））。ReadToEnd （）;

Hi i am trying to send the HTTP post request please find below :

http://test.p-44.com/xml/pickup.xml?p44Login=DEMO&p44Password=DEMO&xml=<dispatchrequest><vendorcode>CODE</vendorcode> ... (rest of dispatch request xml) ... </dispatchrequest>

when i am trying to process the above request every time i got web exception will you please help me on this.

sample code :

Dim WebRequest As HttpWebRequest = CType(HttpWebRequest.Create("https://test.p-44.com/xml/pickup.xml"), HttpWebRequest)
          
          WebRequest.AllowAutoRedirect = False
          WebRequest.Method = "POST";
          WebRequest.ContentType = "text/xml"
         Dim requestStream As Stream = WebRequest.GetRequestStream()
         Dim Somebyte() As Byte = Encoding.UTF8.GetBytes(requstXML)
         requestStream.Write(Somebyte, 0, Somebyte.Length)
         requestStream.Close()

         Dim myResponseFDX As HttpWebResponse = CType(WebRequest.GetResponse(), HttpWebResponse)

What I have tried:

Hi i am trying to send the HTTP post request please find above i've describe the problem.

解决方案

using System.Net;
using System.Text;  // for class Encoding
POST

var request = (HttpWebRequest)WebRequest.Create("http://www.example.com/recepticle.aspx");

var postData = "thing1=hello";
    postData += "&thing2=world";
var data = Encoding.ASCII.GetBytes(postData);

request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = data.Length;

using (var stream = request.GetRequestStream())
{
    stream.Write(data, 0, data.Length);
}

var response = (HttpWebResponse)request.GetResponse();

var responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();
GET

var request = (HttpWebRequest)WebRequest.Create("http://www.example.com/recepticle.aspx");

var response = (HttpWebResponse)request.GetResponse();

var responseString = new StreamReader(response.GetResponseStream()).ReadToEnd();

这篇关于如何发送HTTP Web请求？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！