初期稳定版本260119

FATrace.WPLApp/ViewModels/DialogWeightUserEditViewModel.cs

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+using FATrace.Model;
+using FATrace.WPLApp.Core;
+using FATrace.WPLApp.Services;
+using FreeSql;
+using Prism.Commands;
+using Prism.Services.Dialogs;
+using System;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace FATrace.WPLApp.ViewModels
+{
+    /// <summary>
+    /// 称重用户新增/编辑 弹窗 VM
+    /// </summary>
+    public class DialogWeightUserEditViewModel : DialogViewModel
+    {
+        private readonly IFreeSql _fsql;
+        private readonly ILogService _log;
+
+        private string _mode = WeightUserManageViewModel.DialogModes.Add;
+        private long _editUserId;
+
+        public DialogWeightUserEditViewModel(IFreeSql fsql, ILogService log)
+        {
+            _fsql = fsql;
+            _log = log;
+
+            SaveCommand = new DelegateCommand(async () => await SaveAsync(), () => !IsBusy)
+                .ObservesProperty(() => IsBusy);
+            CancelCommand = new DelegateCommand(() => OnDialogClosed(ButtonResult.Cancel));
+        }
+
+        private string? _checkName;
+        /// <summary>
+        /// 确认者
+        /// </summary>
+        public string? CheckName
+        {
+            get => _checkName;
+            set { _checkName = value; RaisePropertyChanged(); }
+        }
+
+        private string? _opName;
+        /// <summary>
+        /// 操作者
+        /// </summary>
+        public string? OpName
+        {
+            get => _opName;
+            set { _opName = value; RaisePropertyChanged(); }
+        }
+
+        private string? _password;
+        /// <summary>
+        /// 密码（当前按现有模型使用明文；如后续需哈希，可在保存处替换）
+        /// </summary>
+        public string? Password
+        {
+            get => _password;
+            set { _password = value; RaisePropertyChanged(); }
+        }
+
+        /// <summary>
+        /// 保存
+        /// </summary>
+        public DelegateCommand SaveCommand { get; }
+
+        /// <summary>
+        /// 取消
+        /// </summary>
+        public DelegateCommand CancelCommand { get; }
+
+        /// <summary>
+        /// 打开弹窗时初始化
+        /// </summary>
+        /// <param name="parameters">参数</param>
+        public override void OnDialogOpened(IDialogParameters parameters)
+        {
+            _mode = parameters.GetValue<string>(WeightUserManageViewModel.DialogKeys.Mode) ?? WeightUserManageViewModel.DialogModes.Add;
+            Title = _mode == WeightUserManageViewModel.DialogModes.Edit ? "编辑称重用户" : "新增称重用户";
+
+            if (_mode == WeightUserManageViewModel.DialogModes.Edit)
+            {
+                _editUserId = parameters.GetValue<long>(WeightUserManageViewModel.DialogKeys.UserId);
+                LoadUser(_editUserId);
+            }
+            else
+            {
+                _editUserId = 0;
+                CheckName = string.Empty;
+                OpName = string.Empty;
+                Password = string.Empty;
+            }
+        }
+
+        private void LoadUser(long id)
+        {
+            try
+            {
+                var user = _fsql.Select<TbWeightUser>().Where(a => a.Id == id).First();
+                if (user == null)
+                {
+                    MessageBox.Show("称重用户不存在或已被删除", "提示", MessageBoxButton.OK, MessageBoxImage.Warning);
+                    return;
+                }
+
+                CheckName = user.CheckName;
+                OpName = user.OpName;
+                Password = user.Password;
+            }
+            catch (Exception ex)
+            {
+                _log.Error($"加载称重用户失败: {ex}");
+                MessageBox.Show($"加载称重用户失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+        }
+
+        private async Task SaveAsync()
+        {
+            if (IsBusy) return;
+            try
+            {
+                if (string.IsNullOrWhiteSpace(CheckName))
+                {
+                    MessageBox.Show("请输入确认者", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
+                    return;
+                }
+
+                if (string.IsNullOrWhiteSpace(OpName))
+                {
+                    MessageBox.Show("请输入操作者", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
+                    return;
+                }
+
+                if (string.IsNullOrWhiteSpace(Password))
+                {
+                    MessageBox.Show("请输入密码", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
+                    return;
+                }
+
+                IsBusy = true;
+
+                if (_mode == WeightUserManageViewModel.DialogModes.Add)
+                {
+                    await AddAsync();
+                }
+                else
+                {
+                    await UpdateAsync();
+                }
+
+                OnDialogClosed(ButtonResult.OK);
+            }
+            catch (Exception ex)
+            {
+                _log.Error($"保存称重用户失败: {ex}");
+                MessageBox.Show($"保存失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+            finally
+            {
+                IsBusy = false;
+            }
+        }
+
+        private async Task AddAsync()
+        {
+            await Task.Run(() =>
+            {
+                var entity = new TbWeightUser
+                {
+                    CheckName = CheckName!,
+                    OpName = OpName!,
+                    Password = Password!,
+                    CreateTime = DateTime.Now
+                };
+
+                _fsql.Insert(entity).ExecuteAffrows();
+            });
+
+            _log.Info($"新增称重用户成功: {CheckName}/{OpName}");
+        }
+
+        private async Task UpdateAsync()
+        {
+            var id = _editUserId;
+            if (id <= 0) throw new InvalidOperationException("编辑称重用户Id无效");
+
+            await Task.Run(() =>
+            {
+                var aff = _fsql.Update<TbWeightUser>()
+                    .Set(a => a.CheckName, CheckName!)
+                    .Set(a => a.OpName, OpName!)
+                    .Set(a => a.Password, Password!)
+                    .Where(a => a.Id == id)
+                    .ExecuteAffrows();
+
+                if (aff <= 0)
+                {
+                    throw new InvalidOperationException("更新失败：称重用户不存在或未发生变化");
+                }
+            });
+
+            _log.Info($"更新称重用户成功: Id={id}, CheckName={CheckName}, OpName={OpName}");
+        }
+    }
+}