refactor: 精简代码

Author: ArgoZhang

src/extensions/BootstrapBlazor.OpcDa/OpcItem.cs

@@ -4,8 +4,6 @@
 
 namespace BootstrapBlazor.OpcDa;
 
-using Opc.Da;
-
 /// <summary>
 /// OPC Item 配置实体类
 /// </summary>

src/extensions/BootstrapBlazor.OpcDa/Quality.cs

@@ -0,0 +1,21 @@
+// Copyright (c) Argo Zhang (argo@163.com). All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+// Website: https://www.blazor.zone or https://argozhang.github.io/
+
+namespace BootstrapBlazor.OpcDa;
+
+/// <summary>
+/// Opc Item Quality 枚举
+/// </summary>
+public enum Quality
+{
+    /// <summary>
+    /// 不可信
+    /// </summary>
+    Bad,
+
+    /// <summary>
+    /// 可信
+    /// </summary>
+    Good
+}