添加项目文件。

SamplePreSystem.UI/ViewModel/ConfigManager/PermissionViewModel.cs

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+using SamplePre.Models.Ext;
+using SamplePre.Models.Tables;
+using SamplePre.ProcessBll.BLL;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace SamplePreSystem.UI.ViewModel.ConfigManager
+{
+    public class PermissionViewModel : INotifyPropertyChanged
+    {
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        RolesBll rolesBll = new RolesBll();
+
+        config_role configRole;
+
+        public PermissionViewModel(RoleViewModel vm)
+        {
+            configRole = vm.ConfigRole;
+
+            RoleName = configRole.name;
+
+            GetData();
+        }
+
+        protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        private string _roleName;
+
+        public string RoleName
+        {
+            get { return _roleName; }
+            set { _roleName = value; }
+        }
+
+
+
+        private List<TreeItemModel> _funList = new List<TreeItemModel>();
+
+        public List<TreeItemModel> FunList
+        {
+            get { return _funList; }
+            set { _funList = value;
+
+                OnPropertyChanged();
+            }
+        }
+
+
+        public void GetData()
+        {
+            var FunListTemp = rolesBll.GetFuncDataTree();
+
+            foreach (var item in FunListTemp.Where(p=>p.parent_id == 0))
+            {
+                // 根节点1
+                var root1 = new TreeItemModel { Id = item.id, Name = item.name };
+                foreach(var child in FunListTemp.Where(p => p.parent_id == item.id))
+                {
+                    root1.Children.Add(new TreeItemModel { Id = child.id, Name = child.name, Parent = root1 });
+                  
+                }
+
+                FunList.Add(root1);
+            }
+
+
+            //选择中角色已有权限
+            List<int> ids = rolesBll.GetPermission(configRole.id);
+            LoadRolePermissions(ids);
+
+        }
+
+        /// <summary>
+        /// 加载指定角色已分配的权限（用于编辑角色权限）
+        /// </summary>
+        /// <param name="roleFunctionIds">角色已拥有的功能ID列表</param>
+        public void LoadRolePermissions(List<int> roleFunctionIds)
+        {
+            if (roleFunctionIds == null || roleFunctionIds.Count == 0) return;
+
+            foreach (var item in FunList)
+            {
+                bool isAll = true;
+                foreach (var fuc in item.Children)
+                {
+                    if (roleFunctionIds.Contains(fuc.Id))
+                    {
+                        fuc.IsChecked = true;
+                        //item.IsChecked = true;
+                    }
+                    else
+                    {
+                        isAll = false;
+                    }
+                }
+                if(isAll)
+                {
+                    item.IsChecked = true;
+                }
+            }
+        }
+
+
+        public bool SavePermission()
+        {
+            // 获取选中的功能ID列表
+            List<int> selectedIds = GetSelectedFunctionIds();
+
+            if (selectedIds.Count == 0)
+            {
+                MessageBox.Show("请至少选择一个功能权限！", "提示");
+                return false;
+            }
+            List<config_role_permisson> rolePermissonList = new List<config_role_permisson>();
+            foreach (int item in selectedIds)
+            {
+                config_role_permisson rolePermisson = new config_role_permisson();
+                rolePermisson.function_id = item;
+                rolePermisson.role_id = configRole.id;
+                rolePermissonList.Add(rolePermisson);
+            }
+
+
+            if (rolesBll.SavePermission(rolePermissonList) < 0)
+            {
+                MessageBox.Show("保存失败！");
+                return false;
+            }
+
+           return true;
+        }
+
+      
+        private List<int> GetSelectedFunctionIds()
+        {
+            List<int> selectedIds = new List<int>();
+
+            foreach (var item in FunList)
+            {
+                foreach(var fuc in item.Children)
+                {
+                    if(fuc.IsChecked)
+                    {
+                        //添加父节点功能id
+                        if(!selectedIds.Contains(item.Id))
+                        {
+                            selectedIds.Add(item.Id);
+                        }
+                     
+                        selectedIds.Add(fuc.Id);
+                    }
+                }
+            }
+
+
+            return selectedIds;
+        }
+
+
+    }
+}