简单基于HttpListener的Web服务器实例
1.创建一个控制台工程，输入如下代码
static void Main(string[] args)
{
if(!HttpListener.IsSupported)
{
throw new System.InvalidOperationException("版本太低");
}
string[] prefixes = new string[] { "http://localhost:50000/" };
HttpListener listener = new HttpListener();
// 添加前缀
foreach(string s in prefixes)
{
listener.Prefixes.Add(s);
}
// 开始监听
listener.Start();
Console.WriteLine("监听中、、");
while (true)
{
HttpListenerContext context = listener.GetContext();
// 取得请求对象
HttpListenerRequest request = context.Request;
Console.WriteLine("{0} {1} HTTP/1.1", request.HttpMethod, request.RawUrl);
Console.WriteLine("Accept: {0}", string.Join(",", request.AcceptTypes));
Console.WriteLine("Accept-Language: {0}", string.Join(",", request.UserLanguages));
Console.WriteLine("User-Agent: {0}", request.UserAgent);
Console.WriteLine("Accept-Encoding: {0}", request.Headers["Accept-Encoding"]);
Console.WriteLine("Connection: {0}", request.KeepAlive ? "Keep-Alive" : "close");
Console.WriteLine("Host: {0}", request.UserHostName);
Console.WriteLine("Pragma: {0}", request.Headers["Pragma"]);
//获取回应对象
HttpListenerResponse response = context.Response;
string responseString = "<html><head><title>response server</title></head><body>hello world!</body></html>";
response.ContentLength64 = System.Text.Encoding.UTF8.GetByteCount(responseString);
response.ContentType = "text/html; charset=UTF-8"; //设置输出类型
System.IO.Stream output = response.OutputStream;
System.IO.StreamWriter writer = new System.IO.StreamWriter(output);
writer.Write(responseString);
writer.Close();
if (Console.KeyAvailable)
{
break;
}
}
listener.Stop();
}
static void Main(string[] args)
{
if(!HttpListener.IsSupported)
{
throw new System.InvalidOperationException("版本太低");
}
string[] prefixes = new string[] { "http://localhost:50000/" };
HttpListener listener = new HttpListener();
// 添加前缀
foreach(string s in prefixes)
{
listener.Prefixes.Add(s);
}
// 开始监听
listener.Start();
Console.WriteLine("监听中、、");
while (true)
{
HttpListenerContext context = listener.GetContext();
// 取得请求对象
HttpListenerRequest request = context.Request;
Console.WriteLine("{0} {1} HTTP/1.1", request.HttpMethod, request.RawUrl);
Console.WriteLine("Accept: {0}", string.Join(",", request.AcceptTypes));
Console.WriteLine("Accept-Language: {0}", string.Join(",", request.UserLanguages));
Console.WriteLine("User-Agent: {0}", request.UserAgent);
Console.WriteLine("Accept-Encoding: {0}", request.Headers["Accept-Encoding"]);
Console.WriteLine("Connection: {0}", request.KeepAlive ? "Keep-Alive" : "close");
Console.WriteLine("Host: {0}", request.UserHostName);
Console.WriteLine("Pragma: {0}", request.Headers["Pragma"]);
//获取回应对象
HttpListenerResponse response = context.Response;
string responseString = "<html><head><title>response server</title></head><body>hello world!</body></html>";
response.ContentLength64 = System.Text.Encoding.UTF8.GetByteCount(responseString);
response.ContentType = "text/html; charset=UTF-8"; //设置输出类型
System.IO.Stream output = response.OutputStream;
System.IO.StreamWriter writer = new System.IO.StreamWriter(output);
writer.Write(responseString);
writer.Close();
if (Console.KeyAvailable)
{
break;
}
}
listener.Stop();
}
2.运行工程
3.效果如图
摘自 hi_dzj的专栏
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