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我知道這個問題已經在這裏發佈，但找不到工作解決方案。 我有2個應用程序：1是另一個的老版本，並且從VS2015（使用IIS Express）運行SignalR聊天應用程序就好了，另一個應用程序基本上與其他應用程序（其購物車）聊天頁面，腳本和引用是相同的（包括路徑）。 Web.config，global.cs，啓動都是相同的，都運行MVC5。 老的應用程序使用標準的HTML頁面，並引用SignalR /集線器就好了（沒有404錯誤）與以下內容： 這裏的agent.html頁：404錯誤信息 - 找不到SignalR /集線器
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>LiveChat</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="../Scripts/JqueryUI/jquery-ui.css" rel="stylesheet" type="text/css" />
<link href="assets/chat.css" rel="stylesheet" />
<script src="../Scripts/jquery-1.11.0.min.js" type="text/javascript"></script>
<script src="../Scripts/jquery-ui-1.11.3.min.js" type="text/javascript"></script>
<script src="../Scripts/json2.min.js" type="text/javascript"></script>
</head>
<body style="background-color: #fff;">
<div class="topbar">
<div style="float: left; margin-left: 30px;">
<ul>
<li><a href="/CHAT/Agent.html">Chat Agent Panel</a></li>
<li><a href="#" id="show-real-time-visits">Show Real Time Visits</a></li>
<li><a href="#" id="show-internal-chat">Agent to Agent Chat</a></li>
<li><a href="/CHAT/Install.html">Configure Chat</a></li>
</ul>
</div>
<div style="float: right; margin-right: 30px;">
<ul>
<li>Logged in as:</li>
<li><a href="#" id="change-status">Not logged in</a></li>
</ul>
</div>
</div>
<div>
<h2>Chat Sessions</h2>
<div id="chat-sessions"></div>
<div id="chat-content">
<div id="login">
<h3>Log In to Start Accepting Chat Requests</h3>
<div id="login-alerts"></div>
<fieldset>
<legend>Enter your agent name and password</legend>
<p>
<label>Agent Name</label>
<input id="login-name" type="text" class="form-control" placeholder="agent name">
</p>
<p>
<label>Agent Password</label>
<input id="login-pass" class="form-control" type="password">
</p>
<br />
<button id="login-btn" type="submit" class="button-1">Start accepting chat ></button>
</fieldset>
</div>
<div id="agent-chat">
<div id="real-time-visits">
<h2>Real time visits</h2>
<table id="current-visits">
<thead>
<tr>
<th>Visited on</th>
<th>Page</th>
<th>Referrer</th>
<th>City</th>
<th>Country</th>
<th>In Chat</th>
<th>Invite</th>
</tr>
</thead>
<tbody></tbody>
</table>
</div>
<div id="all-chatbox">
<div id="chatmsgsinternal" class="chat-msgs"></div>
</div>
<div id="chat-controls">
<input id="post-msg" type="text" style="width: 100%;" placeholder="Enter your text here. Enter /list for a list of available commands" />
<br />
<button id="post-btn" class="button-1" style="margin-top: 6px;">Send</button>
</div>
</div>
</div>
<div id="modal-cmd">
<div class="modal-body">
</div>
</div>
</div>
<script src="assets/js/jquery.timeago.js" type="text/javascript"></script>
<script src="../Scripts/jquery.signalR-2.2.0.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function() {
$("#login-name").keypress(function (e) {
if ((e.which && e.which == 13) || (e.keyCode && e.keyCode == 13)) {
$("#login-btn").click();
return false;
} else {
return true;
}
});
$("#login-pass").keypress(function (e) {
if ((e.which && e.which == 13) || (e.keyCode && e.keyCode == 13)) {
$("#login-btn").click();
return false;
} else {
return true;
}
});
});
</script>
<script src="/signalr/hubs" type="text/javascript"></script>
<script src="agent.js" type="text/javascript"></script>
</body>
</html>
這個作品在舊的應用程序正常，但自動生成的信號/集線器JavaScript不會被創建。 的startup.cs：
using System;
using System.Threading.Tasks;
using Microsoft.Owin;
using Owin;
[assembly: OwinStartup(typeof(WEBCHAT.Startup))]
namespace WEBCHAT
{
public class Startup
{
public void Configuration(IAppBuilder app)
{
app.MapSignalR();
}
}
}
ChatHub.cs（再次，它的工作原理髮現在老，而不是新）
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Microsoft.AspNet.SignalR;
using System.Threading.Tasks;
using System.IO;
using System.Security.Cryptography;
using System.Text;
using System.Net.Mail;
using System.Collections.Concurrent;
using System.Diagnostics;
namespace WEBCHAT
{
public class ChatHub : Hub
{
private const string CONFIG_FILE = "webchat.dat";
private static ConcurrentDictionary<string, Agent> Agents;
private static ConcurrentDictionary<string, string> ChatSessions;
public void AgentConnect(string name, string pass)
{
if (Agents == null)
Agents = new ConcurrentDictionary<string, Agent>();
if (ChatSessions == null)
ChatSessions = new ConcurrentDictionary<string, string>();
string hashPass = ToHash(pass);
var config = GetConfig();
if (config == null || config.Length < 2)
{
Clients.Caller.loginResult(false, "config", "");
}
else if ((config[0] == hashPass) || (config[1] == hashPass))
{
var agent = new Agent()
{
Id = Context.ConnectionId,
Name = name,
IsOnline = true
};
// if the agent is already signed-in
if (Agents.Any(x => x.Key == name))
{
agent = Agents[name];
Clients.Caller.loginResult(true, agent.Id, agent.Name);
Clients.All.onlineStatus(Agents.Count(x => x.Value.IsOnline) > 0);
}
else if (Agents.TryAdd(name, agent))
{
Clients.Caller.loginResult(true, agent.Id, agent.Name);
Clients.All.onlineStatus(Agents.Count(x => x.Value.IsOnline) > 0);
}
else
{
Clients.Caller.loginResult(false, "error", "");
}
}
else
Clients.Caller.loginResult(false, "pass", "");
}
public void ChangeStatus(bool online)
{
var agent = Agents.SingleOrDefault(x => x.Value.Id == Context.ConnectionId).Value;
if (agent != null)
{
agent.IsOnline = online;
Clients.All.onlineStatus(Agents.Count(x => x.Value.IsOnline) > 0);
}
}
public void EngageVisitor(string connectionId)
{
var agent = Agents.SingleOrDefault(x => x.Value.Id == Context.ConnectionId).Value;
if (agent != null)
{
ChatSessions.TryAdd(connectionId, agent.Id);
Clients.Caller.newChat(connectionId);
Clients.Client(connectionId).setChat(connectionId, agent.Name, false);
Clients.Caller.addMessage(connectionId, "system", "You invited this visitor to chat...");
Clients.Client(connectionId).addMessage(agent.Name, "Hey there. I'm " + agent.Name + " let me know if you have any questions.");
}
}
public void LogVisit(string page, string referrer, string city, string region, string country, string existingChatId)
{
if (Agents == null)
Agents = new ConcurrentDictionary<string, Agent>();
Clients.Caller.onlineStatus(Agents.Count(x => x.Value.IsOnline) > 0);
var cityDisplayName = GetCityDisplayName(city, region);
var countryDisplayName = country ?? string.Empty;
if (!string.IsNullOrEmpty(existingChatId) &&
ChatSessions.ContainsKey(existingChatId))
{
var agentId = ChatSessions[existingChatId];
Clients.Client(agentId).visitorSwitchPage(existingChatId, Context.ConnectionId, page);
var agent = Agents.SingleOrDefault(x => x.Value.Id == agentId).Value;
if (agent != null)
Clients.Caller.setChat(Context.ConnectionId, agent.Name, true);
string buffer = "";
ChatSessions.TryRemove(existingChatId, out buffer);
ChatSessions.TryAdd(Context.ConnectionId, agentId);
}
foreach (var agent in Agents)
{
var chatWith = (from c in ChatSessions
join a in Agents on c.Value equals a.Value.Id
where c.Key == Context.ConnectionId
select a.Value.Name).SingleOrDefault();
Clients.Client(agent.Value.Id).newVisit(page, referrer, cityDisplayName, countryDisplayName, chatWith, Context.ConnectionId);
}
}
public void RequestChat(string message)
{
// We assign the chat to the less buzy agent
var workload = from a in Agents
where a.Value.IsOnline
select new
{
Id = a.Value.Id,
Name = a.Value.Name,
Count = ChatSessions.Count(x => x.Value == a.Value.Id)
};
if (workload == null)
{
Clients.Caller.addMessage("", "No agent are currently available.");
return;
}
var lessBuzy = workload.OrderBy(x => x.Count).FirstOrDefault();
if (lessBuzy == null)
{
Clients.Caller.addMessage("", "No agent are currently available.");
return;
}
ChatSessions.TryAdd(Context.ConnectionId, lessBuzy.Id);
Clients.Client(lessBuzy.Id).newChat(Context.ConnectionId);
Clients.Caller.setChat(Context.ConnectionId, lessBuzy.Name, false);
Clients.Client(lessBuzy.Id).addMessage(Context.ConnectionId, "visitor", message);
Clients.Caller.addMessage("me", message);
}
public void Transfer(string connectionId, string agentName, string messages)
{
if (!Agents.ContainsKey(agentName))
{
Clients.Caller.addMessage(Context.ConnectionId, "system", "This agent does not exists: " + agentName);
return;
}
var agent = Agents[agentName];
if (!agent.IsOnline)
{
Clients.Caller.addMessage(Context.ConnectionId, "system", agentName + " is not online at the moment.");
return;
}
if (!ChatSessions.ContainsKey(connectionId))
{
Clients.Caller.addMessage(Context.ConnectionId, "system", "This chat session does not exists anymore.");
return;
}
string currentAgentId = "";
if (ChatSessions.TryRemove(connectionId, out currentAgentId) &&
ChatSessions.TryAdd(connectionId, agent.Id))
{
Clients.Client(agent.Id).newChat(connectionId);
Clients.Client(agent.Id).addMessage(connectionId, "system", "New chat transfered to you.");
Clients.Client(agent.Id).addMessage(connectionId, ">>", "Starting previous conversation");
Clients.Client(agent.Id).addMessage("", messages);
Clients.Client(agent.Id).addMessage(connectionId, "<<", "End of previous conversation");
Clients.Client(connectionId).addMessage("", "You have been transfered to " + agent.Name);
Clients.Client(connectionId).setChat(connectionId, agent.Name, true);
Clients.Caller.addMessage(connectionId, "system", "Chat transfered to " + agentName);
}
}
public void Send(string data)
{
Clients.Caller.addMessage("me", data);
if (ChatSessions.ContainsKey(Context.ConnectionId))
{
var opId = ChatSessions[Context.ConnectionId];
Clients.Client(opId).addMessage(Context.ConnectionId, "visitor", data);
}
else
{
Debug.WriteLine("Chat Session not found.");
var workload = from a in Agents
where a.Value.IsOnline
select new
{
Id = a.Value.Id,
Name = a.Value.Name,
Count = ChatSessions.Count(x => x.Value == a.Value.Id)
};
if (workload == null)
{
Clients.Caller.addMessage("", "No agent are currently available.");
return;
}
var lessBuzy = workload.OrderBy(x => x.Count).FirstOrDefault();
if (lessBuzy == null)
{
Clients.Caller.addMessage("", "No agent are currently available.");
return;
}
ChatSessions.TryAdd(Context.ConnectionId, lessBuzy.Id);
Clients.Client(lessBuzy.Id).newChat(Context.ConnectionId);
Clients.Caller.setChat(Context.ConnectionId, lessBuzy.Name, false);
Clients.Client(lessBuzy.Id).addMessage(Context.ConnectionId, "system", "This visitor appear to have lost their chat session.");
Clients.Client(lessBuzy.Id).addMessage(Context.ConnectionId, "visitor", data);
}
}
public void OpSend(string id, string data)
{
var agent = Agents.SingleOrDefault(x => x.Value.Id == Context.ConnectionId).Value;
if (agent == null)
{
Clients.Caller.addMessage(id, "system", "We were unable to send your message, please reload the page.");
return;
}
if (id == "internal")
{
foreach (var a in Agents.Where(x => x.Value.IsOnline))
Clients.Client(a.Value.Id).addMessage(id, agent.Name, data);
}
else if (ChatSessions.ContainsKey(id))
{
Clients.Caller.addMessage(id, "you", data);
Clients.Client(id).addMessage(agent.Name, data);
}
}
public void CloseChat(string id)
{
if (ChatSessions.ContainsKey(id))
{
Clients.Client(id).addMessage("", "The agent close the chat session.");
string buffer = "";
ChatSessions.TryRemove(id, out buffer);
}
}
public void LeaveChat(string id)
{
// was it an agent
var agent = Agents.SingleOrDefault(x => x.Value.Id == id).Value;
if (agent != null)
{
Agent tmp = null;
if (Agents.TryRemove(agent.Name, out tmp))
{
var sessions = ChatSessions.Where(x => x.Value == agent.Id);
if (sessions != null)
{
foreach (var session in sessions)
Clients.Client(session.Key).addMessage("", "The agent was disconnected from chat.");
}
Clients.All.updateStatus(Agents.Count(x => x.Value.IsOnline) > 0);
}
}
// was it a visitor
if (ChatSessions.ContainsKey(id))
{
var agentId = ChatSessions[id];
Clients.Client(agentId).addMessage(id, "system", "The visitor close the connection.");
}
}
public override Task OnDisconnected(bool stopCalled)
{
return Clients.All.leave(Context.ConnectionId);
}
public void SendEmail(string from, string message)
{
if (ValidateEmail(from) == true)
{
var msg = new MailMessage();
msg.To.Add(new MailAddress(from));
msg.Subject = "WEBCHAT - Offline Contact";
msg.Body = "You received an offline contact from your WEBCHAT chat widget.\r\n\r\n" + Nop.Core.Html.HtmlHelper.FormatText(message, true, false, false, false, false, false);
try
{
string emResult = eMail.SendEmail(msg.Subject, msg.Body, from, "[email protected]", "mail.xxx.com", "[email protected]", "password", from, "My Chat Agent", false, null, 25, from, MailPriority.High, DeliveryNotificationOptions.None);
}
catch
{
}
}
}
#region Install and config methods
public void getInstallState()
{
var config = GetConfig();
if (config != null && config.Length >= 2)
Clients.Caller.installState(true, config[0]);
else
Clients.Caller.installState(false, "chattemptoken");
}
public void AdminRequest(string pass)
{
var config = GetConfig();
if (config != null && config.Length >= 2)
{
if (config[0] == ToHash(pass))
Clients.Caller.adminResult(true, config[0]);
else
Clients.Caller.adminResult(false, "");
}
else
Clients.Caller.adminResult(false, "");
}
public void SetConfig(string token, string adminPass, string agentPass)
{
bool shouldSave = false;
var config = GetConfig();
if (config != null && config.Length >= 2)
{
if (config[0] == token)
shouldSave = true;
}
if (token == "chattemptoken")
shouldSave = true;
if (shouldSave)
{
string configPath = HttpContext.Current.Server.MapPath("~/App_Data/" + CONFIG_FILE);
File.WriteAllText(
configPath,
ToHash(adminPass) + "\n" + ToHash(agentPass));
Clients.Caller.setConfigResult(true, "Config file updated.");
}
else
Clients.Caller.setConfigResult(false, "Unable to save the config file.");
}
private string GetCityDisplayName(string city, string region)
{
var displayCity = string.Empty;
if (!string.IsNullOrEmpty(city))
{
displayCity = city;
if (!string.IsNullOrEmpty(region))
{
displayCity += ", " + region;
}
}
return displayCity;
}
private string[] GetConfig()
{
string configPath = HttpContext.Current.Server.MapPath("~/App_Data/" + CONFIG_FILE);
if (File.Exists(configPath))
{
return File.ReadAllLines(configPath);
}
return null;
}
public string ToHash(string password)
{
if (string.IsNullOrEmpty(password))
return "";
var provider = new SHA1CryptoServiceProvider();
var encoding = new UnicodeEncoding();
return Convert.ToBase64String(provider.ComputeHash(encoding.GetBytes(password)));
}
#endregion
public bool ValidateEmail(string strCheck)
{
try
{
System.Net.Mail.MailAddress vEmailAddress = new System.Net.Mail.MailAddress(strCheck);
}
catch (Exception ex)
{
//_logger.Error(string.Format("Error validating e-mail. {0}", ex.Message), ex);
return false;
}
return true;
}
}
public class eMail
{
public static string SendEmail(string emailSubject, string emailBody, string senderAddress, string recipientAddress, string emailServer, string accountName, string accountPassword, string senderName = "", string recipientName = "", bool isHTML = true, List<string> attachmentPaths = null, int portNumber = 25, string replyToAddress = "", System.Net.Mail.MailPriority priority = MailPriority.Normal, DeliveryNotificationOptions deliveryNotification = DeliveryNotificationOptions.None)
{
//this will return a string of "success", if successful and an error message if not
string retval = string.Empty;
if (senderName.Length == 0)
{
senderName = senderAddress;
}
if (recipientName.Length == 0)
{
recipientName = recipientAddress;
}
MailMessage msg = new MailMessage(new MailAddress(senderAddress, senderName), new MailAddress(recipientAddress, recipientName));
SmtpClient mailClient = null;
mailClient = new SmtpClient(emailServer, portNumber);
msg.Subject = emailSubject;
msg.IsBodyHtml = isHTML;
msg.Body = emailBody;
if (attachmentPaths != null)
{
foreach (var attPath in attachmentPaths)
{
if (File.Exists(attPath))
{
msg.Attachments.Add(new Attachment(attPath));
}
}
}
if (accountName.Length > 0 && accountPassword.Length > 0)
{
System.Net.NetworkCredential userSMTPAccount = new System.Net.NetworkCredential(accountName, accountPassword);
mailClient.UseDefaultCredentials = false;
mailClient.Credentials = userSMTPAccount;
}
else
{
mailClient.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials;
}
msg.DeliveryNotificationOptions = deliveryNotification;
try
{
mailClient.Send(msg);
retval = "success";
}
catch (SmtpException ex)
{
retval = ex.Message;
}
catch (Exception ex2)
{
retval = ex2.Message; //for general errors
}
finally
{
msg.Dispose();
}
return retval;
}
}
}
還有更精彩的，所有的代碼工作在老精版本，但不是新的。所有需要的DLL都在BIN文件夾中。 package.config是相同的（除了老版本的OWIN--這可能是可疑的）。 我只是不知道在哪裏尋找差異，可以解釋爲什麼舊版本的應用程序工作和新的不工作（一切都加載在新的，腳本，CSS，頁面等除了可怕的SignalR /集線器）。有沒有我錯過的地方？