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doc(OpcDa): add MockOpcDaServer sample code #6563
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chore: 更加 OpcDa 依赖包
ArgoZhang 2c92863
doc: 增加菜单
ArgoZhang 251c400
doc: 增加 OpcDa 示例页面
ArgoZhang 55218a5
refactor: 增加模拟 OpcServer 实现类
ArgoZhang e6710ee
doc: 增加 OpcDa 源码映射
ArgoZhang f362552
doc: 更新示例
ArgoZhang e15a46a
chore: 增加 MockOpcDaServer 支持 Linux 演示
ArgoZhang 6548313
chore: 更新依赖包
ArgoZhang f6dca35
feat: 完善模拟 OpcServer 服务实现类
ArgoZhang e85eea2
doc: 更新示例
ArgoZhang e74a38a
refactor: 更新依赖
ArgoZhang cc9c0a1
doc: 更新按钮可用逻辑
ArgoZhang a0d092c
refactor: 更新注入服务
ArgoZhang 8282b9e
doc: 更新示例
ArgoZhang 0343a2e
refactor: 删除 Mock 服务
ArgoZhang b822d00
chore: 更新依赖包
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| @page "/opc-da" | ||
| @inject IStringLocalizer<OpcDa> Localizer | ||
|
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| <h3>@Localizer["OpcDaTitle"]</h3> | ||
|
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| <h4>@Localizer["OpcDaDescription"]</h4> | ||
|
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| <PackageTips Name="BootstrapBlazor.OpcDa"/> | ||
|
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| <DemoBlock Title="@Localizer["OpcDaNormalTitle"]" Introduction="@Localizer["OpcDaNormalIntro"]" Name="Normal"> | ||
| <p class="code-label">1. 点击 <b>连接</b> 按钮与 <code>OpcDa</code> 服务器建立通讯连接</p> | ||
| <p> | ||
| <BootstrapInputGroup> | ||
| <BootstrapInputGroupLabel DisplayText="OpcDa Server"></BootstrapInputGroupLabel> | ||
| <Display @bind-Value="@_serverName"></Display> | ||
| <Button Text="连接" OnClick="OnConnect" IsDisabled="OpcDaServer.IsConnected"></Button> | ||
| <Button Text="断开" OnClick="OnDisConnect" IsDisabled="!OpcDaServer.IsConnected" | ||
| Color="Color.Danger"></Button> | ||
| </BootstrapInputGroup> | ||
| </p> | ||
|
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| <p class="code-label">2. 点击 <b>读取</b> 按钮读取 <code>OpcDa</code> 服务器上的位号值</p> | ||
| <div class="row g-3 mb-3"> | ||
| <div class="col-12 col-sm-6"> | ||
| <BootstrapInputGroup> | ||
| <BootstrapInputGroupLabel DisplayText="转速"></BootstrapInputGroupLabel> | ||
| <BootstrapInputGroupLabel DisplayText="@Tag1"></BootstrapInputGroupLabel> | ||
| <Display @bind-Value="@_tagValue1"></Display> | ||
| </BootstrapInputGroup> | ||
| </div> | ||
| <div class="col-12 col-sm-6"> | ||
| <BootstrapInputGroup> | ||
| <BootstrapInputGroupLabel DisplayText="流速"></BootstrapInputGroupLabel> | ||
| <BootstrapInputGroupLabel DisplayText="@Tag2"></BootstrapInputGroupLabel> | ||
| <Display @bind-Value="@_tagValue2"></Display> | ||
| </BootstrapInputGroup> | ||
| </div> | ||
| <div class="col-12 col-sm-6"> | ||
| <Button OnClick="OnRead" Text="读取" IsDisabled="!OpcDaServer.IsConnected"></Button> | ||
| </div> | ||
| </div> | ||
|
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| <p class="code-label">3. 订阅功能</p> | ||
| <p>通过订阅可以监控一组 <b>位号</b> 数据改变情况，当数据改变时通过 <code>DataChanged</code> 回调方法通知订阅者</p> | ||
| <div class="row g-3"> | ||
| <div class="col-12 col-sm-6"> | ||
| <BootstrapInputGroup> | ||
| <BootstrapInputGroupLabel DisplayText="订阅名称"></BootstrapInputGroupLabel> | ||
| <BootstrapInputGroupLabel DisplayText="Subscription1"></BootstrapInputGroupLabel> | ||
| </BootstrapInputGroup> | ||
| </div> | ||
| <div class="col-12 col-sm-6"> | ||
| <BootstrapInputGroup> | ||
| <BootstrapInputGroupLabel DisplayText="更新频率"></BootstrapInputGroupLabel> | ||
| <BootstrapInputGroupLabel DisplayText="1000"></BootstrapInputGroupLabel> | ||
| </BootstrapInputGroup> | ||
| </div> | ||
| <div class="col-12 col-sm-6"> | ||
| <BootstrapInputGroup> | ||
| <BootstrapInputGroupLabel DisplayText="转速"></BootstrapInputGroupLabel> | ||
| <BootstrapInputGroupLabel DisplayText="@Tag3"></BootstrapInputGroupLabel> | ||
| <Display @bind-Value="@_tagValue3"></Display> | ||
| </BootstrapInputGroup> | ||
| </div> | ||
| <div class="col-12 col-sm-6"> | ||
| <BootstrapInputGroup> | ||
| <BootstrapInputGroupLabel DisplayText="流速"></BootstrapInputGroupLabel> | ||
| <BootstrapInputGroupLabel DisplayText="@Tag4"></BootstrapInputGroupLabel> | ||
| <Display @bind-Value="@_tagValue4"></Display> | ||
| </BootstrapInputGroup> | ||
| </div> | ||
| <div class="col-12 col-sm-6"> | ||
| <Button OnClick="OnCreateSubscription" Text="订阅" IsDisabled="@(!OpcDaServer.IsConnected || _subscribed)"></Button> | ||
| <Button OnClick="OnCancelSubscription" Text="取消" IsDisabled="!_subscribed"></Button> | ||
| </div> | ||
| </div> | ||
| </DemoBlock> |
86 changes: 86 additions & 0 deletions
86
src/BootstrapBlazor.Server/Components/Samples/OpcDa.razor.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the Apache 2.0 License | ||
| // See the LICENSE file in the project root for more information. | ||
| // Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone | ||
|
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| using BootstrapBlazor.OpcDa; | ||
| using System.Globalization; | ||
|
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| namespace BootstrapBlazor.Server.Components.Samples; | ||
|
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| /// <summary> | ||
| /// OpcDa 示例 | ||
| /// </summary> | ||
| public partial class OpcDa : ComponentBase | ||
| { | ||
| [Inject] | ||
| [NotNull] | ||
| private IOpcDaServer? OpcDaServer { get; set; } | ||
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| private string? _serverName = "opcda://localhost/Kepware.KEPServerEX.V6/Mock"; | ||
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| private const string Tag1 = "Channel1.Device1.Tag1"; | ||
| private const string Tag2 = "Channel1.Device1.Tag2"; | ||
| private const string Tag3 = "Channel1.Device1.Tag3"; | ||
| private const string Tag4 = "Channel1.Device1.Tag4"; | ||
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| private string? _tagValue1; | ||
| private string? _tagValue2; | ||
| private string? _tagValue3; | ||
| private string? _tagValue4; | ||
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| private IOpcSubscription? _subscription; | ||
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| private bool _subscribed; | ||
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| private void OnConnect() | ||
| { | ||
| if (!string.IsNullOrEmpty(_serverName)) | ||
| { | ||
| OpcDaServer.Connect(_serverName); | ||
| } | ||
| } | ||
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| private void OnDisConnect() | ||
| { | ||
| OnCancelSubscription(); | ||
| OpcDaServer.Disconnect(); | ||
| } | ||
|
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| private void OnRead() | ||
| { | ||
| var values = OpcDaServer.Read(Tag1, Tag2); | ||
| _tagValue1 = values.ElementAt(0).Value?.ToString(); | ||
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| var v = (int)values.ElementAt(1).Value! / 100d; | ||
| _tagValue2 = v.ToString(CultureInfo.InvariantCulture); | ||
| } | ||
|
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| private void OnCreateSubscription() | ||
| { | ||
| _subscribed = true; | ||
| _subscription = OpcDaServer.CreateSubscription("Subscription1", 1000, true); | ||
| _subscription.DataChanged += UpdateValues; | ||
| _subscription.AddItems([Tag3, Tag4]); | ||
| } | ||
|
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| private void OnCancelSubscription() | ||
| { | ||
| _subscribed = false; | ||
| if (_subscription != null) | ||
| { | ||
| _subscription.DataChanged -= UpdateValues; | ||
| OpcDaServer.CancelSubscription(_subscription); | ||
| } | ||
| } | ||
|
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| private void UpdateValues(List<OpcReadItem> items) | ||
| { | ||
| _tagValue3 = items[0].Value?.ToString(); | ||
| var v = (int)items[1].Value! / 100d; | ||
| _tagValue4 = v.ToString(CultureInfo.InvariantCulture); | ||
|
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| InvokeAsync(StateHasChanged); | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -3,6 +3,7 @@ | |
| // See the LICENSE file in the project root for more information. | ||
| // Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone | ||
|
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| using BootstrapBlazor.OpcDa; | ||
| using Longbow.Tasks.Services; | ||
| using Microsoft.AspNetCore.SignalR; | ||
| using Microsoft.Extensions.Options; | ||
|
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@@ -45,6 +46,16 @@ public static IServiceCollection AddBootstrapBlazorServerService(this IServiceCo | |
| services.AddHostedService<MockCustomProtocolSocketServerService>(); | ||
| services.AddHostedService<MockDisconnectServerService>(); | ||
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| if (OperatingSystem.IsWindows()) | ||
| { | ||
| services.AddOpcDaServer(); | ||
| } | ||
| else | ||
| { | ||
| // 增加 OpcDa 模拟服务（给 Linux 平台使用） | ||
| services.AddMockOpcDaServer(); | ||
| } | ||
|
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| // 增加通用服务 | ||
| services.AddBootstrapBlazorServices(); | ||
|
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issue (bug_risk): Potential InvalidCastException if Value is not int.
Casting values.ElementAt(1).Value to int without checking its type can cause a runtime exception if the value is not an int. Use a type check or safe conversion to prevent this.