C# 后端代码请求WebAPI

最新推荐文章于 2025-07-24 10:40:49 发布

原创最新推荐文章于 2025-07-24 10:40:49 发布 · 3.9k 阅读

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本文介绍了一个简单的C#程序，该程序包含两个静态方法用于发送HTTP GET和POST请求，并获取响应内容。这两个方法通过使用System.Net命名空间下的HttpWebRequest类来实现。

public static string Get(string url)
{
try
{
var request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url);
if (request != null)
{
string retval = null;
init_Request(ref request);
using (var Response = request.GetResponse())
{
using ( var reader = new System.IO.StreamReader(Response.GetResponseStream(), System.Text.Encoding.UTF8))
{
retval = reader.ReadToEnd();
}
}
return retval;
}
}
catch
{

}
return null;
}
public static string Post(string url, string data)
{
try
{
var request = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url);
if (request != null)
{
string retval = null;
init_Request(ref request);
request.Method = "POST";
request.ServicePoint.Expect100Continue = false;
request.ContentType = "application/x-www-form-urlencoded; charset=utf-8";
var bytes = System.Text.UTF8Encoding.UTF8.GetBytes(data);
request.ContentLength = bytes.Length;
using (var stream = request.GetRequestStream())
{
stream.Write(bytes, 0, bytes.Length);
}
using (var response = request.GetResponse())
{
using (var reader = new System.IO.StreamReader(response.GetResponseStream()))
{
url = reader.ReadToEnd();
}
}
return retval;
}
}
catch
{

}
return null;
}

private static void init_Request(ref System.Net.HttpWebRequest request)
{
request.Accept = "text/json,*/*;q=0.5";
request.Headers.Add("Accept-Charset", "utf-8;q=0.7,*;q=0.7");
request.Headers.Add("Accept-Encoding", "gzip, deflate, x-gzip, identity; q=0.9");
request.AutomaticDecompression = System.Net.DecompressionMethods.GZip;
request.Timeout = 8000;
}