Error during WebSocket handshake: Unexpected response code: 200
chrome控制台报的错误
action代码
public HttpResponseMessage T()
{
if (System.Web.HttpContext.Current.IsWebSocketRequest)
{
System.Web.HttpContext.Current.AcceptWebSocketRequest(ProcessWSChat);
}
return new HttpResponseMessage(HttpStatusCode.SwitchingProtocols);
//return View();
}
private async Task ProcessWSChat(AspNetWebSocketContext context)
{
System.Net.WebSockets.WebSocket socket = context.WebSocket;
while (true)
{
//ArraySegment<byte> buffer = new ArraySegment<byte>(new byte[1024]);
//WebSocketReceiveResult result = await socket.ReceiveAsync(
// buffer, CancellationToken.None);
if (socket.State == WebSocketState.Open)
{
//string userMessage = Encoding.UTF8.GetString(
// buffer.Array, 0, result.Count);
string userMessage = DateTime.Now.ToString();
ArraySegment<byte> buffer = new ArraySegment<byte>(
Encoding.UTF8.GetBytes(userMessage));
await socket.SendAsync(
buffer, WebSocketMessageType.Text, true, CancellationToken.None);
}
else
{
break;
}
}
}
js代码
<script type="text/javascript">
var serverData,statusDiv,ws;
//var SERVER_URL = "/Dou/T";
window.onload = function () {
ws = new WebSocket("ws://" + window.location.host + "/Sun/T");
serverData = document.getElementById("serverData");
statusDiv = document.getElementById("statusDiv");
startlistenServer();
}
function startlistenServer() {
statusDiv.innerHTML="Start Connect Server...";
//var es = new EventSource(SERVER_URL);
ws.onopen = openHandler;
ws.onerror = errorHandler;
ws.onmessage = messageHandler;
}
function openHandler(e) {
statusDiv.innerHTML = "Server Open<br>";
}
function errorHandler(e) {
statusDiv.innerHTML = "Error<br>"+e.message;
}
function messageHandler(e) {
serverData.innerHTML = e.data;
}
</script>
