如何在内容类型为x-www-form-urlencoded的C＃中发布请求？ [英] How to POST request in c# with content-type being x-www-form-urlencoded?

问题描述

邮递员POST请求的图片

我想发出此POST请求以接收OAuth2访问令牌，但在Visual Studio 2015中使用c＃代码。

I would like to make this POST request to receive an OAuth2 access token but using c# code in Visual Studio 2015.

谢谢。

推荐答案

System.Net.HttpWebRequest 是您需要知道的类，这很容易样品。有关更多信息，请参见MSDN： https ：//msdn.microsoft.com/zh-CN/library/system.net.httpwebrequest（v = vs.110）.aspx

System.Net.HttpWebRequest is the class you need to know, this is a easy sample. About more infomation see MSDN :https://msdn.microsoft.com/en-us/library/system.net.httpwebrequest(v=vs.110).aspx

HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
webRequest.Method = "POST";
webRequest.AllowAutoRedirect = true;
webRequest.Timeout = 20 * 1000;
webRequest.ContentType = "application/x-www-form-urlencoded";
webRequest.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";
webRequest.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36";


//write the data to post request
//Postdata : a=1&b=2&c=3
byte[] buffer = Encoding.Default.GetBytes(Postdata);
if (buffer != null)
{
     webRequest.ContentLength = buffer.Length;
     webRequest.GetRequestStream().Write(buffer, 0, buffer.Length);
}

WebResponse wr = webRequest.GetResponse()

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