客户端：
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="Scripts/jquery-3.4.1.min.js"></script>
<script>
var ws;
$().ready(function () {
$('#conn').click(function () {
ws = new WebSocket('ws://' + window.location.hostname + ':' + window.location.port + '/Handler1.ashx');
$('#tips').text('正在连接');
ws.onopen = function () {
$('#tips').text('已经连接');
}
ws.onmessage = function (evt) {
$('#tips').html($('#tips').html() + '<br/>' + evt.data);
}
ws.onerror = function (evt) {
$('#tips').text(JSON.stringify(evt));
}
ws.onclose = function () {
$('#tips').text('已经关闭');
}
});
$('#close').click(function () {
ws.close();
});
$('#send').click(function () {
if (ws.readyState == WebSocket.OPEN) {
ws.send($('#content').val());
}
else {
$('#tips').text('连接已经关闭');
}
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<br />
<input id="conn" type="button" value="连接" />
<input id="close" type="button" value="关闭" />
<span id="tips"></span>
<input id="content" type="text" />
<input id="send" type="button" value="发送" />
</div>
</form>
</body>
服务端（一般处理程序）：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.WebSockets;
using System.Text;
using System.Threading;
using System.Web;
using System.Web.WebSockets;
namespace WebApplication1
{
/// <summary>
/// Handler1 的摘要说明
/// </summary>
public class Handler1 : IHttpHandler
{
public static List<WebSocket> list = new List<WebSocket>();
public void ProcessRequest(HttpContext context)
{
if (context.IsWebSocketRequest)
{
context.AcceptWebSocketRequest(ProcessChat);
}
}
private async System.Threading.Tasks.Task ProcessChat(AspNetWebSocketContext context)
{
WebSocket socket = context.WebSocket;
if (!list.Any(x=>x==socket))
{
list.Add(socket);
}
while (true)
{
if (socket.State == WebSocketState.Open)
{
ArraySegment<byte> buffer = new ArraySegment<byte>(new byte[2048]);
WebSocketReceiveResult result = await socket.ReceiveAsync(buffer, CancellationToken.None);
string userMsg = Encoding.UTF8.GetString(buffer.Array, 0, result.Count);
userMsg = "你发送了：" + userMsg + "于" + DateTime.Now.ToLongTimeString();
buffer = new ArraySegment<byte>(Encoding.UTF8.GetBytes(userMsg));
foreach (var item in list)
{
if (item==socket)
{
await item.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
}
}
}
else
{
break;
}
}
}
public bool IsReusable
{
get
{
return false;
}
}
}
}
标签：function,websocket,socket,System,ws,使用,using,net,tips From： https://www.cnblogs.com/sishahu/p/17211594.html