add node page.

src/DotNetCore.CAP/Dashboard/Pages/NodePage.cs

+using System;
+using System.Collections.Generic;
+using DotNetCore.CAP.NodeDiscovery;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace DotNetCore.CAP.Dashboard.Pages
+{
+    partial class NodePage
+    {
+        private IList<Node> _nodes = null;
+
+        public IList<Node> Nodes
+        {
+            get
+            {
+                if (_nodes == null)
+                {
+                    var configOptions = RequestServices.GetService<DashboardOptions>();
+                    var discoveryServer = configOptions.Discovery;
+                    if (discoveryServer == null)
+                        return null;
+
+                    var factory = RequestServices.GetService<IDiscoveryProviderFactory>();
+                    var discoryProvider = factory.Get(discoveryServer);
+                    _nodes = discoryProvider.GetNodes().GetAwaiter().GetResult();
+                }
+                return _nodes;
+            }
+        }
+    }
+}

src/DotNetCore.CAP/Dashboard/Pages/NodePage.cshtml

+@* Generator: Template TypeVisibility: Internal GeneratePrettyNames: True *@
+@using DotNetCore.CAP.Dashboard
+@using DotNetCore.CAP.Dashboard.Pages
+@using DotNetCore.CAP.Dashboard.Resources
+@inherits RazorPage
+@{
+    Layout = new LayoutPage(Strings.NodePage_Title);
+}
+<div class="row">
+    <div class="col-md-12">
+        <h1 class="page-header">@Strings.NodePage_Title</h1>
+
+        @if (Nodes == null || Nodes.Count==0)
+        {
+            <div class="alert alert-warning">
+                @Strings.NodePage_NoNodes
+            </div>
+        }
+        else
+        { 
+            <div class="table-responsive">
+                <table class="table">
+                    <thead>
+                        <tr>
+                            <th width="20%">节点名称</th>
+                            <th width="20%">IP地址</th>
+                            <th>Tags</th>
+                            <th width="20%">操作</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        @foreach (var node in Nodes)
+                        {
+                            <tr>
+                                <td>@node.Name</td>
+                                <td>@node.Address</td>
+
+                                <td><a class="btn">切换到</a></td>
+                            </tr>
+                        }
+                    </tbody>
+                </table>
+            </div>
+        }
+    </div>
+</div>
\ No newline at end of file

src/DotNetCore.CAP/Dashboard/Pages/NodePage.generated.cs

+#pragma warning disable 1591
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.42000
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace DotNetCore.CAP.Dashboard.Pages
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Text;
+    
+    #line 2 "..\..\Dashboard\Pages\NodePage.cshtml"
+    using DotNetCore.CAP.Dashboard;
+    
+    #line default
+    #line hidden
+    
+    #line 3 "..\..\Dashboard\Pages\NodePage.cshtml"
+    using DotNetCore.CAP.Dashboard.Pages;
+    
+    #line default
+    #line hidden
+    
+    #line 4 "..\..\Dashboard\Pages\NodePage.cshtml"
+    using DotNetCore.CAP.Dashboard.Resources;
+    
+    #line default
+    #line hidden
+    
+    [System.CodeDom.Compiler.GeneratedCodeAttribute("RazorGenerator", "2.0.0.0")]
+    internal partial class NodePage : RazorPage
+    {
+#line hidden
+
+        public override void Execute()
+        {
+
+
+WriteLiteral("\r\n");
+
+
+
+
+
+
+            
+            #line 6 "..\..\Dashboard\Pages\NodePage.cshtml"
+  
+    Layout = new LayoutPage(Strings.NodePage_Title);
+
+
+            
+            #line default
+            #line hidden
+WriteLiteral("<div class=\"row\">\r\n    <div class=\"col-md-12\">\r\n        <h1 class=\"page-header\">");
+
+
+            
+            #line 11 "..\..\Dashboard\Pages\NodePage.cshtml"
+                           Write(Strings.NodePage_Title);
+
+            
+            #line default
+            #line hidden
+WriteLiteral("</h1>\r\n\r\n");
+
+
+            
+            #line 13 "..\..\Dashboard\Pages\NodePage.cshtml"
+         if (Nodes == null || Nodes.Count==0)
+        {
+
+            
+            #line default
+            #line hidden
+WriteLiteral("            <div class=\"alert alert-warning\">\r\n                ");
+
+
+            
+            #line 16 "..\..\Dashboard\Pages\NodePage.cshtml"
+           Write(Strings.NodePage_NoNodes);
+
+            
+            #line default
+            #line hidden
+WriteLiteral("\r\n            </div>\r\n");
+
+
+            
+            #line 18 "..\..\Dashboard\Pages\NodePage.cshtml"
+        }
+        else
+        { 
+
+            
+            #line default
+            #line hidden
+WriteLiteral(@"            <div class=""table-responsive"">
+                <table class=""table"">
+                    <thead>
+                        <tr>
+                            <th width=""50%"">节点名称</th>
+                            <th width=""50%"">IP地址</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+");
+
+
+            
+            #line 30 "..\..\Dashboard\Pages\NodePage.cshtml"
+                         foreach (var node in Nodes)
+                        {
+
+            
+            #line default
+            #line hidden
+WriteLiteral("                            <tr>\r\n                                <td>");
+
+
+            
+            #line 33 "..\..\Dashboard\Pages\NodePage.cshtml"
+                               Write(node.Name);
+
+            
+            #line default
+            #line hidden
+WriteLiteral("</td>\r\n                                <td>");
+
+
+            
+            #line 34 "..\..\Dashboard\Pages\NodePage.cshtml"
+                               Write(node.Address);
+
+            
+            #line default
+            #line hidden
+WriteLiteral("</td>\r\n                            </tr>\r\n");
+
+
+            
+            #line 36 "..\..\Dashboard\Pages\NodePage.cshtml"
+                        }
+
+            
+            #line default
+            #line hidden
+WriteLiteral("                    </tbody>\r\n                </table>\r\n            </div>\r\n");
+
+
+            
+            #line 40 "..\..\Dashboard\Pages\NodePage.cshtml"
+        }
+
+            
+            #line default
+            #line hidden
+WriteLiteral("    </div>\r\n</div>");
+
+
+        }
+    }
+}
+#pragma warning restore 1591

src/DotNetCore.CAP/Dashboard/Pages/SubscriberPage.cshtml

@@ -18,7 +18,7 @@
         @if (subscribers.Count == 0)
         {
             <div class="alert alert-warning">
-                @Strings.ServersPage_NoServers
+                @Strings.SubscribersPage_NoSubscribers
             </div>
         }
         else

src/DotNetCore.CAP/Dashboard/Pages/SubscriberPage.generated.cs

@@ -96,7 +96,7 @@ WriteLiteral("            <div class=\"alert alert-warning\">\r\n
 
             
             #line 21 "..\..\Dashboard\Pages\SubscriberPage.cshtml"
-           Write(Strings.ServersPage_NoServers);
+           Write(Strings.SubscribersPage_NoSubscribers);
 
             
             #line default