添加项目文件。

OrpaonEMS.App/Models/NavigationItem.cs

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+using Prism.Mvvm;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrpaonEMS.App.Models
+{
+    /// <summary>
+    /// 菜单功能模型
+    /// </summary>
+    public class NavigationItem : BindableBase
+    {
+        public NavigationItem(
+            string icon,
+            string name,
+            string pageName,
+            ObservableCollection<NavigationItem> items = null)
+        {
+            Icon = icon;
+            Name = name;
+            PageName = pageName;
+            Items = items;
+        }
+
+        private string name;
+        private string icon;
+        private ObservableCollection<NavigationItem> items;
+
+        /// <summary>
+        /// 图标
+        /// </summary>
+        public string Icon
+        {
+            get { return icon; }
+            set { icon = value; RaisePropertyChanged(); }
+        }
+
+        /// <summary>
+        /// 菜单名称
+        /// </summary>
+        public string Name
+        {
+            get { return name; }
+            set { name = value; RaisePropertyChanged(); }
+        }
+
+        /// <summary>
+        /// 菜单导航的页面
+        /// </summary>
+        public string PageName { get; set; }
+
+        /// <summary>
+        /// 导航菜单列表
+        /// 菜单子项
+        /// </summary>
+        public ObservableCollection<NavigationItem> Items
+        {
+            get { return items; }
+            set { items = value; RaisePropertyChanged(); }
+        }
+    }
+}