From 1cc402450b2c632c7d21fb2ebfed0587651563b8 Mon Sep 17 00:00:00 2001
From: "GukSang.Jin" <guksang_chen@163.com>
Date: Tue, 9 Jun 2026 16:19:06 +0800
Subject: [PATCH] gx

---
 .../HiddenSpeedSettingsViewModel.cs           |  46 ++-
 .../HiddenSpeedSettingsWindow.xaml            |  16 +-
 DentistryHandpieces/MainWindow.xaml           |  75 +++--
 DentistryHandpieces/MainWindowViewModel.cs    |  56 +++-
 DentistryHandpieces/NumericKeypad.cs          | 141 +++++++++
 DentistryHandpieces/NumericKeypadWindow.xaml  | 117 ++++++++
 .../NumericKeypadWindow.xaml.cs               | 284 ++++++++++++++++++
 7 files changed, 683 insertions(+), 52 deletions(-)
 create mode 100644 DentistryHandpieces/NumericKeypad.cs
 create mode 100644 DentistryHandpieces/NumericKeypadWindow.xaml
 create mode 100644 DentistryHandpieces/NumericKeypadWindow.xaml.cs

diff --git a/DentistryHandpieces/HiddenSpeedSettingsViewModel.cs b/DentistryHandpieces/HiddenSpeedSettingsViewModel.cs
index 77faefb..04e4ea8 100644
--- a/DentistryHandpieces/HiddenSpeedSettingsViewModel.cs
+++ b/DentistryHandpieces/HiddenSpeedSettingsViewModel.cs
@@ -102,9 +102,9 @@ public sealed class HiddenSpeedSettingsViewModel : ObservableObject
             return;
         }
 
-        if (!TryParseInt32(LoadSpeedSettingInput, out int loadSpeedSetting))
+        if (!TryParseFloat(LoadSpeedSettingInput, out float loadSpeedSetting))
         {
-            StatusText = "负载转速设置必须是有效的 32 位整数。";
+            StatusText = "负载转速设置必须是有效数字。";
             return;
         }
 
@@ -112,9 +112,16 @@ public sealed class HiddenSpeedSettingsViewModel : ObservableObject
         StatusText = "正在保存负载转速设置...";
         try
         {
-            await _plcRegisterService.WriteInt32Async(_plcConfig, LoadSpeedSettingRegister, loadSpeedSetting);
-            int confirmedValue = await _plcRegisterService.ReadInt32Async(_plcConfig, LoadSpeedSettingRegister);
-            LoadSpeedSettingInput = confirmedValue.ToString(CultureInfo.InvariantCulture);
+            await _plcRegisterService.WriteFloatAsync(_plcConfig, LoadSpeedSettingRegister, loadSpeedSetting);
+            float confirmedValue = await _plcRegisterService.ReadFloatAsync(_plcConfig, LoadSpeedSettingRegister);
+            if (float.IsNaN(confirmedValue)
+                || float.IsInfinity(confirmedValue)
+                || !AreEquivalentFloatRegisterValues(loadSpeedSetting, confirmedValue))
+            {
+                throw new InvalidOperationException("PLC 写入后回读不一致。");
+            }
+
+            LoadSpeedSettingInput = FormatNumber(confirmedValue);
             StatusText = "负载转速设置已保存并回读确认。";
         }
         catch (Exception ex)
@@ -146,12 +153,14 @@ public sealed class HiddenSpeedSettingsViewModel : ObservableObject
         {
             await _plcRegisterService.WriteFloatAsync(_plcConfig, row.Address, value);
             float confirmedValue = await _plcRegisterService.ReadFloatAsync(_plcConfig, row.Address);
-            if (float.IsNaN(confirmedValue) || float.IsInfinity(confirmedValue))
+            if (float.IsNaN(confirmedValue)
+                || float.IsInfinity(confirmedValue)
+                || !AreEquivalentFloatRegisterValues(value, confirmedValue))
             {
-                throw new InvalidOperationException("PLC 回读值无效。");
+                throw new InvalidOperationException("PLC 写入后回读不一致。");
             }
 
-            row.ValueText = confirmedValue.ToString("0.########", CultureInfo.InvariantCulture);
+            row.ValueText = FormatNumber(confirmedValue);
             StatusText = $"{row.RangeText}已保存并回读确认。";
         }
         catch (Exception ex)
@@ -166,11 +175,16 @@ public sealed class HiddenSpeedSettingsViewModel : ObservableObject
 
     private async Task ReadValuesAsync()
     {
-        int loadSpeedSetting = await _plcRegisterService.ReadInt32Async(_plcConfig, LoadSpeedSettingRegister);
+        float loadSpeedSetting = await _plcRegisterService.ReadFloatAsync(_plcConfig, LoadSpeedSettingRegister);
+        if (float.IsNaN(loadSpeedSetting) || float.IsInfinity(loadSpeedSetting))
+        {
+            throw new InvalidOperationException("负载转速设置读取无效。");
+        }
+
         ushort[] addresses = SpeedCoefficientSettings.Select(static row => row.Address).ToArray();
         IReadOnlyDictionary<ushort, float> values = await _plcRegisterService.ReadFloatValuesAsync(_plcConfig, addresses);
 
-        LoadSpeedSettingInput = loadSpeedSetting.ToString(CultureInfo.InvariantCulture);
+        LoadSpeedSettingInput = FormatNumber(loadSpeedSetting);
         foreach (SpeedCoefficientSettingRow row in SpeedCoefficientSettings)
         {
             if (!values.TryGetValue(row.Address, out float value)
@@ -180,14 +194,13 @@ public sealed class HiddenSpeedSettingsViewModel : ObservableObject
                 throw new InvalidOperationException($"{row.RangeText}读取无效。");
             }
 
-            row.ValueText = value.ToString("0.########", CultureInfo.InvariantCulture);
+            row.ValueText = FormatNumber(value);
         }
     }
 
-    private static bool TryParseInt32(string input, out int value)
+    private static string FormatNumber(float value)
     {
-        return int.TryParse(input, NumberStyles.Integer, CultureInfo.CurrentCulture, out value)
-            || int.TryParse(input, NumberStyles.Integer, CultureInfo.InvariantCulture, out value);
+        return value.ToString("0.########", CultureInfo.InvariantCulture);
     }
 
     private static bool TryParseFloat(string input, out float value)
@@ -196,4 +209,9 @@ public sealed class HiddenSpeedSettingsViewModel : ObservableObject
             || float.TryParse(input, NumberStyles.Float, CultureInfo.InvariantCulture, out value);
         return parsed && !float.IsNaN(value) && !float.IsInfinity(value);
     }
+
+    private static bool AreEquivalentFloatRegisterValues(float left, float right)
+    {
+        return BitConverter.SingleToInt32Bits(left) == BitConverter.SingleToInt32Bits(right);
+    }
 }
diff --git a/DentistryHandpieces/HiddenSpeedSettingsWindow.xaml b/DentistryHandpieces/HiddenSpeedSettingsWindow.xaml
index 310a2b2..5420c67 100644
--- a/DentistryHandpieces/HiddenSpeedSettingsWindow.xaml
+++ b/DentistryHandpieces/HiddenSpeedSettingsWindow.xaml
@@ -1,6 +1,7 @@
 <Window x:Class="DentistryHandpieces.HiddenSpeedSettingsWindow"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:local="clr-namespace:DentistryHandpieces"
         Title="转速隐藏参数设置"
         Width="920"
         Height="720"
@@ -19,6 +20,11 @@
             <Setter Property="Background" Value="#F8FAFC" />
             <Setter Property="BorderBrush" Value="#B8C5D1" />
         </Style>
+        <Style x:Key="HiddenDecimalInputTextBox" TargetType="TextBox" BasedOn="{StaticResource {x:Type TextBox}}">
+            <Setter Property="local:NumericKeypad.InputMode" Value="Decimal" />
+            <Setter Property="local:NumericKeypad.MaxDecimalPlaces" Value="8" />
+            <Setter Property="local:NumericKeypad.AllowNegative" Value="True" />
+        </Style>
         <Style TargetType="Button">
             <Setter Property="MinHeight" Value="44" />
             <Setter Property="Padding" Value="18,8" />
@@ -54,8 +60,10 @@
                            VerticalAlignment="Center"
                            Foreground="#22313F" />
                 <TextBox Grid.Column="1"
-                         Text="{Binding LoadSpeedSettingInput, UpdateSourceTrigger=PropertyChanged}"
-                         Margin="12,0" />
+                          Text="{Binding LoadSpeedSettingInput, UpdateSourceTrigger=PropertyChanged}"
+                          Style="{StaticResource HiddenDecimalInputTextBox}"
+                          local:NumericKeypad.Title="负载转速设置"
+                          Margin="12,0" />
                 <Button Grid.Column="2"
                         Content="保存"
                         Command="{Binding SaveLoadSpeedSettingCommand}"
@@ -88,7 +96,9 @@
                                     <ColumnDefinition Width="92" />
                                 </Grid.ColumnDefinitions>
                                 <TextBox Text="{Binding ValueText, UpdateSourceTrigger=PropertyChanged}"
-                                         Margin="0,0,8,0" />
+                                          Style="{StaticResource HiddenDecimalInputTextBox}"
+                                          local:NumericKeypad.Title="{Binding RangeText}"
+                                          Margin="0,0,8,0" />
                                 <Button Grid.Column="1"
                                         Content="保存"
                                         Command="{Binding DataContext.SaveSpeedCoefficientCommand, RelativeSource={RelativeSource AncestorType=Window}}"
diff --git a/DentistryHandpieces/MainWindow.xaml b/DentistryHandpieces/MainWindow.xaml
index f3f5006..cb63ad5 100644
--- a/DentistryHandpieces/MainWindow.xaml
+++ b/DentistryHandpieces/MainWindow.xaml
@@ -27,6 +27,23 @@
             <Setter Property="BorderThickness" Value="1" />
         </Style>
 
+        <Style x:Key="DecimalInputTextBox" TargetType="TextBox" BasedOn="{StaticResource {x:Type TextBox}}">
+            <Setter Property="local:NumericKeypad.InputMode" Value="Decimal" />
+            <Setter Property="local:NumericKeypad.MaxDecimalPlaces" Value="8" />
+        </Style>
+
+        <Style x:Key="TenthsInputTextBox" TargetType="TextBox" BasedOn="{StaticResource DecimalInputTextBox}">
+            <Setter Property="local:NumericKeypad.MaxDecimalPlaces" Value="1" />
+        </Style>
+
+        <Style x:Key="IntegerInputTextBox" TargetType="TextBox" BasedOn="{StaticResource {x:Type TextBox}}">
+            <Setter Property="local:NumericKeypad.InputMode" Value="Integer" />
+        </Style>
+
+        <Style x:Key="IpAddressInputTextBox" TargetType="TextBox" BasedOn="{StaticResource {x:Type TextBox}}">
+            <Setter Property="local:NumericKeypad.InputMode" Value="IpAddress" />
+        </Style>
+
         <Style TargetType="Button">
             <Setter Property="MinHeight" Value="46" />
             <Setter Property="Padding" Value="18,8" />
@@ -489,7 +506,9 @@
                                                 <ColumnDefinition Width="50" />
                                             </Grid.ColumnDefinitions>
                                             <TextBox x:Name="AxialForceSetpointInput"
-                                                 Text="{Binding AxialForceSetpointInput, UpdateSourceTrigger=PropertyChanged, Delay=600}" />
+                                                 Text="{Binding AxialForceSetpointInput, UpdateSourceTrigger=PropertyChanged, Delay=600}"
+                                                 Style="{StaticResource DecimalInputTextBox}"
+                                                 local:NumericKeypad.Title="轴向拉力/跳动力设置" />
                                             <TextBlock Grid.Column="1"
                                                    Text="N"
                                                    Style="{StaticResource MutedText}"
@@ -505,7 +524,9 @@
                                             <ColumnDefinition Width="50" />
                                         </Grid.ColumnDefinitions>
                                         <TextBox x:Name="AxialForceHoldTimeInput"
-                                             Text="{Binding AxialForceHoldTimeInput, UpdateSourceTrigger=PropertyChanged, Delay=600}" />
+                                             Text="{Binding AxialForceHoldTimeInput, UpdateSourceTrigger=PropertyChanged, Delay=600}"
+                                             Style="{StaticResource TenthsInputTextBox}"
+                                             local:NumericKeypad.Title="轴向力时间设置（最多 1 位小数）" />
                                         <TextBlock Grid.Column="1"
                                                Text="s"
                                                Style="{StaticResource MutedText}"
@@ -769,7 +790,9 @@
                                                    Margin="0,0,12,0" />
                                                     <TextBox Grid.Column="1"
                                                  x:Name="HoldTorqueInput"
-                                                 Text="{Binding HoldTorqueInput, UpdateSourceTrigger=PropertyChanged, Delay=600}" />
+                                                 Text="{Binding HoldTorqueInput, UpdateSourceTrigger=PropertyChanged, Delay=600}"
+                                                 Style="{StaticResource TenthsInputTextBox}"
+                                                 local:NumericKeypad.Title="扭矩设置（最多 1 位小数）" />
                                                     <TextBlock Grid.Column="2"
                                                    Text="mN.m"
                                                    Style="{StaticResource MutedText}"
@@ -788,7 +811,9 @@
                                                    Margin="0,0,12,0" />
                                                     <TextBox Grid.Column="1"
                                                   x:Name="TorqueHoldTimeInput"
-                                                  Text="{Binding TorqueHoldTimeInput, UpdateSourceTrigger=PropertyChanged, Delay=600}" />
+                                                  Text="{Binding TorqueHoldTimeInput, UpdateSourceTrigger=PropertyChanged, Delay=600}"
+                                                  Style="{StaticResource TenthsInputTextBox}"
+                                                  local:NumericKeypad.Title="扭矩时间（最多 1 位小数）" />
                                                     <TextBlock Grid.Column="2"
                                                    Text="s"
                                                    Style="{StaticResource MutedText}"
@@ -971,6 +996,8 @@
                                     <TextBox Grid.Row="1"
                                              Grid.Column="1"
                                              Text="{Binding NoLoadSpeedSettingInput, UpdateSourceTrigger=PropertyChanged, Delay=600}"
+                                             Style="{StaticResource DecimalInputTextBox}"
+                                             local:NumericKeypad.Title="目标空载转速"
                                              Margin="0,16,12,0" />
                                     <TextBlock Grid.Row="1"
                                                Grid.Column="2"
@@ -1039,31 +1066,31 @@
                                 <TextBlock Grid.ColumnSpan="3" Text="轴向移动量参数（2号轴）" Style="{StaticResource MetricTitle}" HorizontalAlignment="Left" />
 
                                 <TextBlock Grid.Row="1" Text="位移极限" Style="{StaticResource FormLabel}" Margin="0,16,0,0" />
-                                <TextBox Grid.Row="1" Grid.Column="1" x:Name="AxialDisplacementLimitInput" Text="{Binding AxialDisplacementLimitInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,16,10,0" />
+                                <TextBox Grid.Row="1" Grid.Column="1" x:Name="AxialDisplacementLimitInput" Text="{Binding AxialDisplacementLimitInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="轴向位移极限" Margin="0,16,10,0" />
                                 <TextBlock Grid.Row="1" Grid.Column="2" Text="mm" Style="{StaticResource MutedText}" Margin="0,16,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="2" Text="手/自动速度" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="2" Grid.Column="1" x:Name="AxialSpeedInput" Text="{Binding AxialSpeedInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="2" Grid.Column="1" x:Name="AxialSpeedInput" Text="{Binding AxialSpeedInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="轴向手/自动速度" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="2" Grid.Column="2" Text="mm/min" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="3" Text="手动位移" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="3" Grid.Column="1" x:Name="AxialManualDisplacementInput" Text="{Binding AxialManualDisplacementInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="3" Grid.Column="1" x:Name="AxialManualDisplacementInput" Text="{Binding AxialManualDisplacementInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="轴向手动位移" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="3" Grid.Column="2" Text="mm" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="4" Text="轴向力下限" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="4" Grid.Column="1" x:Name="AxialForceLowerLimitInput" Text="{Binding AxialForceLowerLimitInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="4" Grid.Column="1" x:Name="AxialForceLowerLimitInput" Text="{Binding AxialForceLowerLimitInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="轴向力下限" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="4" Grid.Column="2" Text="N" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="5" Text="轴向力上限" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="5" Grid.Column="1" x:Name="AxialForceUpperLimitInput" Text="{Binding AxialForceUpperLimitInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="5" Grid.Column="1" x:Name="AxialForceUpperLimitInput" Text="{Binding AxialForceUpperLimitInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="轴向力上限" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="5" Grid.Column="2" Text="N" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="6" Text="轴向力系数" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="6" Grid.Column="1" x:Name="AxialForceCoefficientInput" Text="{Binding AxialForceCoefficientInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="6" Grid.Column="1" x:Name="AxialForceCoefficientInput" Text="{Binding AxialForceCoefficientInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="轴向力系数" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="6" Grid.Column="2" Text="系数" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="7" Text="轴向力保护" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="7" Grid.Column="1" x:Name="AxialForceProtectionInput" Text="{Binding AxialForceProtectionInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="7" Grid.Column="1" x:Name="AxialForceProtectionInput" Text="{Binding AxialForceProtectionInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="轴向力保护" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="7" Grid.Column="2" Text="N" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
                             </Grid>
                         </Border>
@@ -1090,35 +1117,35 @@
                                 <TextBlock Grid.ColumnSpan="3" Text="转速/扭矩参数（1号轴）" Style="{StaticResource MetricTitle}" HorizontalAlignment="Left" />
 
                                 <TextBlock Grid.Row="1" Text="位移极限" Style="{StaticResource FormLabel}" Margin="0,16,0,0" />
-                                <TextBox Grid.Row="1" Grid.Column="1" x:Name="SpeedTorqueDisplacementLimitInput" Text="{Binding SpeedTorqueDisplacementLimitInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,16,10,0" />
+                                <TextBox Grid.Row="1" Grid.Column="1" x:Name="SpeedTorqueDisplacementLimitInput" Text="{Binding SpeedTorqueDisplacementLimitInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="转速/扭矩位移极限" Margin="0,16,10,0" />
                                 <TextBlock Grid.Row="1" Grid.Column="2" Text="mm" Style="{StaticResource MutedText}" Margin="0,16,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="2" Text="手/自动速度" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="2" Grid.Column="1" x:Name="SpeedTorqueSpeedInput" Text="{Binding SpeedTorqueSpeedInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="2" Grid.Column="1" x:Name="SpeedTorqueSpeedInput" Text="{Binding SpeedTorqueSpeedInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="转速/扭矩手/自动速度" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="2" Grid.Column="2" Text="mm/min" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="3" Text="手动位移" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="3" Grid.Column="1" x:Name="SpeedTorqueManualDisplacementInput" Text="{Binding SpeedTorqueManualDisplacementInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="3" Grid.Column="1" x:Name="SpeedTorqueManualDisplacementInput" Text="{Binding SpeedTorqueManualDisplacementInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="转速/扭矩手动位移" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="3" Grid.Column="2" Text="mm" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="4" Text="扭矩系数" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="4" Grid.Column="1" x:Name="TorqueCoefficientInput" Text="{Binding TorqueCoefficientInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="4" Grid.Column="1" x:Name="TorqueCoefficientInput" Text="{Binding TorqueCoefficientInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="扭矩系数" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="4" Grid.Column="2" Text="系数" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="5" Text="扭矩保护" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="5" Grid.Column="1" x:Name="TorqueProtectionInput" Text="{Binding TorqueProtectionInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="5" Grid.Column="1" x:Name="TorqueProtectionInput" Text="{Binding TorqueProtectionInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="扭矩保护" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="5" Grid.Column="2" Text="mN.m" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="6" Text="转速系数" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="6" Grid.Column="1" x:Name="SpeedCoefficientInput" Text="{Binding SpeedCoefficientInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="6" Grid.Column="1" x:Name="SpeedCoefficientInput" Text="{Binding SpeedCoefficientInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="转速系数" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="6" Grid.Column="2" Text="系数" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="7" Text="低速停止" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="7" Grid.Column="1" x:Name="SpeedStopThresholdInput" Text="{Binding SpeedStopThresholdInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="7" Grid.Column="1" x:Name="SpeedStopThresholdInput" Text="{Binding SpeedStopThresholdInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="低速停止" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="7" Grid.Column="2" Text="r/min" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
 
                                 <TextBlock Grid.Row="8" Text="压力系数" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="8" Grid.Column="1" x:Name="PressureCoefficientInput" Text="{Binding PressureCoefficientInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="8" Grid.Column="1" x:Name="PressureCoefficientInput" Text="{Binding PressureCoefficientInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource DecimalInputTextBox}" local:NumericKeypad.Title="压力系数" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="8" Grid.Column="2" Text="系数" Style="{StaticResource MutedText}" Margin="0,14,0,0" VerticalAlignment="Center" />
                             </Grid>
                         </Border>
@@ -1141,12 +1168,12 @@
 
  
                                 <TextBlock Grid.Row="1" Text="IP地址" Style="{StaticResource FormLabel}" Margin="0,16,0,0" />
-                                <TextBox Grid.Row="1" Grid.Column="1" x:Name="PlcIpAddressInput" Text="{Binding PlcIpAddressInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,16,10,0" />
+                                <TextBox Grid.Row="1" Grid.Column="1" x:Name="PlcIpAddressInput" Text="{Binding PlcIpAddressInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource IpAddressInputTextBox}" local:NumericKeypad.Title="PLC IP 地址" Margin="0,16,10,0" />
                                 <TextBlock Grid.Row="1" Grid.Column="3" Text="端口" Style="{StaticResource FormLabel}" Margin="0,16,0,0" />
-                                <TextBox Grid.Row="1" Grid.Column="4" x:Name="PlcPortInput" Text="{Binding PlcPortInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,16,10,0" />
+                                <TextBox Grid.Row="1" Grid.Column="4" x:Name="PlcPortInput" Text="{Binding PlcPortInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource IntegerInputTextBox}" local:NumericKeypad.Title="PLC 端口" Margin="0,16,10,0" />
 
                                 <TextBlock Grid.Row="2" Text="站号" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
-                                <TextBox Grid.Row="2" Grid.Column="1" x:Name="PlcUnitIdInput" Text="{Binding PlcUnitIdInput, UpdateSourceTrigger=PropertyChanged}" Margin="0,14,10,0" />
+                                <TextBox Grid.Row="2" Grid.Column="1" x:Name="PlcUnitIdInput" Text="{Binding PlcUnitIdInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource IntegerInputTextBox}" local:NumericKeypad.Title="PLC 站号" Margin="0,14,10,0" />
                                 <TextBlock Grid.Row="2" Grid.Column="3" Text="脉冲/超时" Style="{StaticResource FormLabel}" Margin="0,14,0,0" />
                                 <Grid Grid.Row="2" Grid.Column="4" Grid.ColumnSpan="2" Margin="0,14,0,0">
                                     <Grid.ColumnDefinitions>
@@ -1155,8 +1182,8 @@
                                         <ColumnDefinition Width="*" />
                                         <ColumnDefinition Width="54" />
                                     </Grid.ColumnDefinitions>
-                                    <TextBox x:Name="PlcPulseMillisecondsInput" Text="{Binding PlcPulseMillisecondsInput, UpdateSourceTrigger=PropertyChanged}" />
-                                    <TextBox Grid.Column="2" x:Name="PlcTimeoutMillisecondsInput" Text="{Binding PlcTimeoutMillisecondsInput, UpdateSourceTrigger=PropertyChanged}" />
+                                    <TextBox x:Name="PlcPulseMillisecondsInput" Text="{Binding PlcPulseMillisecondsInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource IntegerInputTextBox}" local:NumericKeypad.Title="PLC 脉冲时间（毫秒）" />
+                                    <TextBox Grid.Column="2" x:Name="PlcTimeoutMillisecondsInput" Text="{Binding PlcTimeoutMillisecondsInput, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource IntegerInputTextBox}" local:NumericKeypad.Title="PLC 超时时间（毫秒）" />
                                     <TextBlock Grid.Column="3" Text="ms" Style="{StaticResource MutedText}" Margin="10,0,0,0" VerticalAlignment="Center" />
                                 </Grid>
                             </Grid>
diff --git a/DentistryHandpieces/MainWindowViewModel.cs b/DentistryHandpieces/MainWindowViewModel.cs
index 06e6315..02586ff 100644
--- a/DentistryHandpieces/MainWindowViewModel.cs
+++ b/DentistryHandpieces/MainWindowViewModel.cs
@@ -1,6 +1,7 @@
 using System.Collections.ObjectModel;
 using System.Globalization;
 using System.IO;
+using System.Net;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using ClosedXML.Excel;
@@ -1909,8 +1910,16 @@ public sealed class MainWindowViewModel : ObservableObject
             }
 
             await _plcRegisterService.WriteFloatAsync(plcConfig, registerAddress, (float)newValue);
+            float confirmedValue = await _plcRegisterService.ReadFloatAsync(plcConfig, registerAddress);
+            if (float.IsNaN(confirmedValue)
+                || float.IsInfinity(confirmedValue)
+                || !AreEquivalentFloatRegisterValues(newValue, confirmedValue))
+            {
+                throw new InvalidOperationException($"{fieldName} D{registerAddress} 写入后回读不一致。");
+            }
+
             changedItems.Add(fieldName);
-            Log.Information("PLC参数写入成功，参数 {FieldName}，D{RegisterAddress}={Value}", fieldName, registerAddress, newValue);
+            Log.Information("PLC参数写入并回读确认成功，参数 {FieldName}，D{RegisterAddress}={Value}", fieldName, registerAddress, confirmedValue);
         }
 
     }
@@ -1943,9 +1952,17 @@ public sealed class MainWindowViewModel : ObservableObject
             return false;
         }
 
-        if (string.IsNullOrWhiteSpace(PlcIpAddressInput))
+        string plcIpAddress = PlcIpAddressInput?.Trim() ?? string.Empty;
+        if (!IPAddress.TryParse(plcIpAddress, out IPAddress? ipAddress)
+            || ipAddress.AddressFamily != System.Net.Sockets.AddressFamily.InterNetwork)
         {
-            error = "PLC IP不能为空。";
+            error = "PLC IP必须是有效的 IPv4 地址。";
+            return false;
+        }
+
+        if (plcPort > ushort.MaxValue)
+        {
+            error = "PLC端口必须在 1-65535 范围内。";
             return false;
         }
 
@@ -1979,7 +1996,7 @@ public sealed class MainWindowViewModel : ObservableObject
             SpeedStopThreshold = speedStopThreshold,
             PressureCoefficient = pressureCoefficient,
             NoLoadSpeedSetting = _parameterConfig.NoLoadSpeedSetting,
-            PlcIpAddress = PlcIpAddressInput.Trim(),
+            PlcIpAddress = plcIpAddress,
             PlcPort = plcPort,
             PlcUnitId = plcUnitId,
             PlcPulseMilliseconds = plcPulseMilliseconds,
@@ -2123,9 +2140,11 @@ public sealed class MainWindowViewModel : ObservableObject
             PlcConnectionConfig config = _parameterConfig.ToPlcConnectionConfig();
             await _plcRegisterService.WriteFloatAsync(config, registerAddress, (float)value);
             float confirmedValue = await _plcRegisterService.ReadFloatAsync(config, registerAddress);
-            if (float.IsNaN(confirmedValue) || float.IsInfinity(confirmedValue))
+            if (float.IsNaN(confirmedValue)
+                || float.IsInfinity(confirmedValue)
+                || !AreEquivalentFloatRegisterValues(value, confirmedValue))
             {
-                throw new InvalidOperationException($"{fieldName} D{registerAddress} 回读无效。");
+                throw new InvalidOperationException($"{fieldName} D{registerAddress} 写入后回读不一致。");
             }
 
             await ApplyConfirmedTestPageInputAsync(parameter, fieldName, registerAddress, value, confirmedValue);
@@ -2150,6 +2169,11 @@ public sealed class MainWindowViewModel : ObservableObject
             PlcConnectionConfig config = _parameterConfig.ToPlcConnectionConfig();
             await _plcRegisterService.WriteUInt16Async(config, registerAddress, rawValue);
             ushort confirmedRawValue = await _plcRegisterService.ReadUInt16Async(config, registerAddress);
+            if (confirmedRawValue != rawValue)
+            {
+                throw new InvalidOperationException($"{fieldName} D{registerAddress} 写入后回读不一致。");
+            }
+
             double confirmedValue = ScaleTenthsFromPlc(confirmedRawValue);
             await ApplyConfirmedTestPageInputAsync(parameter, fieldName, registerAddress, value, confirmedValue);
         }
@@ -3519,7 +3543,7 @@ public sealed class MainWindowViewModel : ObservableObject
 
     private static string FormatConfigNumber(double value)
     {
-        return value.ToString("0.###", CultureInfo.InvariantCulture);
+        return value.ToString("0.########", CultureInfo.InvariantCulture);
     }
 
     private static bool AreEquivalentFloatRegisterValues(double left, double right)
@@ -3555,7 +3579,14 @@ public sealed class MainWindowViewModel : ObservableObject
     private static bool CanScaleTenthsToPlc(double value, string fieldName, out string error)
     {
         error = string.Empty;
-        double scaledValue = Math.Round(value * TenthsRegisterScale, MidpointRounding.AwayFromZero);
+        double unroundedScaledValue = value * TenthsRegisterScale;
+        double scaledValue = Math.Round(unroundedScaledValue, MidpointRounding.AwayFromZero);
+        if (Math.Abs(unroundedScaledValue - scaledValue) > 0.0000001)
+        {
+            error = $"{fieldName}最多支持 1 位小数。";
+            return false;
+        }
+
         if (scaledValue > ushort.MaxValue)
         {
             error = $"{fieldName}不能大于 {FormatConfigNumber(ushort.MaxValue / TenthsRegisterScale)}。";
@@ -3600,13 +3631,16 @@ public sealed class MainWindowViewModel : ObservableObject
     private static bool TryReadNumber(string input, string fieldName, out double value, out string error)
     {
         error = string.Empty;
-        if (double.TryParse(input, NumberStyles.Float, CultureInfo.CurrentCulture, out value)
-            || double.TryParse(input, NumberStyles.Float, CultureInfo.InvariantCulture, out value))
+        if ((double.TryParse(input, NumberStyles.Float, CultureInfo.CurrentCulture, out value)
+                || double.TryParse(input, NumberStyles.Float, CultureInfo.InvariantCulture, out value))
+            && !double.IsNaN(value)
+            && !double.IsInfinity(value)
+            && Math.Abs(value) <= float.MaxValue)
         {
             return true;
         }
 
-        error = $"{fieldName}不是有效数字。";
+        error = $"{fieldName}不是有效的 PLC 浮点数。";
         return false;
     }
 
diff --git a/DentistryHandpieces/NumericKeypad.cs b/DentistryHandpieces/NumericKeypad.cs
new file mode 100644
index 0000000..bb26994
--- /dev/null
+++ b/DentistryHandpieces/NumericKeypad.cs
@@ -0,0 +1,141 @@
+using System.Globalization;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Input;
+
+namespace DentistryHandpieces;
+
+public enum NumericInputMode
+{
+    None,
+    Decimal,
+    Integer,
+    IpAddress
+}
+
+public static class NumericKeypad
+{
+    public static readonly DependencyProperty InputModeProperty = DependencyProperty.RegisterAttached(
+        "InputMode",
+        typeof(NumericInputMode),
+        typeof(NumericKeypad),
+        new PropertyMetadata(NumericInputMode.None, OnInputModeChanged));
+
+    public static readonly DependencyProperty TitleProperty = DependencyProperty.RegisterAttached(
+        "Title",
+        typeof(string),
+        typeof(NumericKeypad),
+        new PropertyMetadata("请输入数值"));
+
+    public static readonly DependencyProperty MaxDecimalPlacesProperty = DependencyProperty.RegisterAttached(
+        "MaxDecimalPlaces",
+        typeof(int),
+        typeof(NumericKeypad),
+        new PropertyMetadata(8));
+
+    public static readonly DependencyProperty AllowNegativeProperty = DependencyProperty.RegisterAttached(
+        "AllowNegative",
+        typeof(bool),
+        typeof(NumericKeypad),
+        new PropertyMetadata(false));
+
+    public static void SetInputMode(DependencyObject element, NumericInputMode value) => element.SetValue(InputModeProperty, value);
+
+    public static NumericInputMode GetInputMode(DependencyObject element) => (NumericInputMode)element.GetValue(InputModeProperty);
+
+    public static void SetTitle(DependencyObject element, string value) => element.SetValue(TitleProperty, value);
+
+    public static string GetTitle(DependencyObject element) => (string)element.GetValue(TitleProperty);
+
+    public static void SetMaxDecimalPlaces(DependencyObject element, int value) => element.SetValue(MaxDecimalPlacesProperty, value);
+
+    public static int GetMaxDecimalPlaces(DependencyObject element) => (int)element.GetValue(MaxDecimalPlacesProperty);
+
+    public static void SetAllowNegative(DependencyObject element, bool value) => element.SetValue(AllowNegativeProperty, value);
+
+    public static bool GetAllowNegative(DependencyObject element) => (bool)element.GetValue(AllowNegativeProperty);
+
+    private static void OnInputModeChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
+    {
+        if (dependencyObject is not TextBox textBox)
+        {
+            return;
+        }
+
+        textBox.PreviewMouseLeftButtonDown -= TextBox_PreviewMouseLeftButtonDown;
+        textBox.PreviewTouchDown -= TextBox_PreviewTouchDown;
+        textBox.PreviewKeyDown -= TextBox_PreviewKeyDown;
+
+        NumericInputMode mode = (NumericInputMode)e.NewValue;
+        if (mode == NumericInputMode.None)
+        {
+            textBox.IsReadOnly = false;
+            textBox.Cursor = Cursors.IBeam;
+            return;
+        }
+
+        textBox.IsReadOnly = true;
+        textBox.Cursor = Cursors.Hand;
+        textBox.PreviewMouseLeftButtonDown += TextBox_PreviewMouseLeftButtonDown;
+        textBox.PreviewTouchDown += TextBox_PreviewTouchDown;
+        textBox.PreviewKeyDown += TextBox_PreviewKeyDown;
+    }
+
+    private static void TextBox_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+    {
+        e.Handled = true;
+        ShowKeypad((TextBox)sender);
+    }
+
+    private static void TextBox_PreviewTouchDown(object? sender, TouchEventArgs e)
+    {
+        if (sender is not TextBox textBox)
+        {
+            return;
+        }
+
+        e.Handled = true;
+        ShowKeypad(textBox);
+    }
+
+    private static void TextBox_PreviewKeyDown(object sender, KeyEventArgs e)
+    {
+        if (e.Key is not (Key.Enter or Key.Space))
+        {
+            return;
+        }
+
+        e.Handled = true;
+        ShowKeypad((TextBox)sender);
+    }
+
+    private static void ShowKeypad(TextBox textBox)
+    {
+        NumericInputMode mode = GetInputMode(textBox);
+        if (mode == NumericInputMode.None || !textBox.IsEnabled)
+        {
+            return;
+        }
+
+        var keypad = new NumericKeypadWindow(
+            GetTitle(textBox),
+            textBox.Text,
+            mode,
+            Math.Max(0, GetMaxDecimalPlaces(textBox)),
+            GetAllowNegative(textBox))
+        {
+            Owner = Window.GetWindow(textBox)
+        };
+
+        if (keypad.ShowDialog() != true)
+        {
+            return;
+        }
+
+        textBox.Text = keypad.ResultText;
+        BindingExpression? binding = textBox.GetBindingExpression(TextBox.TextProperty);
+        binding?.UpdateSource();
+        textBox.CaretIndex = textBox.Text.Length;
+    }
+}
diff --git a/DentistryHandpieces/NumericKeypadWindow.xaml b/DentistryHandpieces/NumericKeypadWindow.xaml
new file mode 100644
index 0000000..2140699
--- /dev/null
+++ b/DentistryHandpieces/NumericKeypadWindow.xaml
@@ -0,0 +1,117 @@
+<Window x:Class="DentistryHandpieces.NumericKeypadWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="数字输入"
+        Width="560"
+        Height="650"
+        ResizeMode="NoResize"
+        WindowStartupLocation="CenterOwner"
+        FontFamily="Microsoft YaHei UI"
+        FontSize="18"
+        Background="#EAF0F4"
+        PreviewKeyDown="Window_PreviewKeyDown">
+    <Window.Resources>
+        <Style TargetType="Button">
+            <Setter Property="Margin" Value="5" />
+            <Setter Property="FontSize" Value="24" />
+            <Setter Property="FontWeight" Value="SemiBold" />
+            <Setter Property="Background" Value="#FFFFFF" />
+            <Setter Property="Foreground" Value="#17212B" />
+            <Setter Property="BorderBrush" Value="#B8C5D1" />
+            <Setter Property="BorderThickness" Value="1" />
+            <Setter Property="FocusVisualStyle" Value="{x:Null}" />
+        </Style>
+        <Style x:Key="FunctionButton" TargetType="Button" BasedOn="{StaticResource {x:Type Button}}">
+            <Setter Property="FontSize" Value="20" />
+            <Setter Property="Background" Value="#DDE6ED" />
+        </Style>
+        <Style x:Key="ConfirmButton" TargetType="Button" BasedOn="{StaticResource {x:Type Button}}">
+            <Setter Property="FontSize" Value="20" />
+            <Setter Property="Background" Value="#0F766E" />
+            <Setter Property="Foreground" Value="White" />
+            <Setter Property="BorderBrush" Value="#0A5D56" />
+        </Style>
+    </Window.Resources>
+
+    <Grid Margin="18">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+
+        <TextBlock x:Name="PromptText"
+                   FontSize="22"
+                   FontWeight="Bold"
+                   Foreground="#1F3344"
+                   Margin="2,0,2,10" />
+
+        <Border Grid.Row="1"
+                Background="White"
+                BorderBrush="#9FB0BE"
+                BorderThickness="2"
+                CornerRadius="6"
+                Padding="14,10"
+                Margin="0,0,0,8">
+            <TextBlock x:Name="ValueText"
+                       MinHeight="42"
+                       FontFamily="Consolas"
+                       FontSize="30"
+                       FontWeight="SemiBold"
+                       TextAlignment="Right"
+                       VerticalAlignment="Center"
+                       TextTrimming="CharacterEllipsis" />
+        </Border>
+
+        <Grid Grid.Row="2">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="*" />
+            </Grid.RowDefinitions>
+            <TextBlock x:Name="StatusText"
+                       Foreground="#A33A2A"
+                       FontSize="15"
+                       Margin="4,0,4,4" />
+            <Grid Grid.Row="1">
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="*" />
+                    <RowDefinition Height="*" />
+                    <RowDefinition Height="*" />
+                    <RowDefinition Height="*" />
+                    <RowDefinition Height="0.85*" />
+                </Grid.RowDefinitions>
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="*" />
+                </Grid.ColumnDefinitions>
+
+                <Button Content="7" Tag="7" Click="DigitButton_Click" />
+                <Button Grid.Column="1" Content="8" Tag="8" Click="DigitButton_Click" />
+                <Button Grid.Column="2" Content="9" Tag="9" Click="DigitButton_Click" />
+                <Button Grid.Column="3" Content="退格" Style="{StaticResource FunctionButton}" Click="BackspaceButton_Click" />
+
+                <Button Grid.Row="1" Content="4" Tag="4" Click="DigitButton_Click" />
+                <Button Grid.Row="1" Grid.Column="1" Content="5" Tag="5" Click="DigitButton_Click" />
+                <Button Grid.Row="1" Grid.Column="2" Content="6" Tag="6" Click="DigitButton_Click" />
+                <Button Grid.Row="1" Grid.Column="3" Content="清空" Style="{StaticResource FunctionButton}" Click="ClearButton_Click" />
+
+                <Button Grid.Row="2" Content="1" Tag="1" Click="DigitButton_Click" />
+                <Button Grid.Row="2" Grid.Column="1" Content="2" Tag="2" Click="DigitButton_Click" />
+                <Button Grid.Row="2" Grid.Column="2" Content="3" Tag="3" Click="DigitButton_Click" />
+                <Button x:Name="SignButton" Grid.Row="2" Grid.Column="3" Content="+/-" Style="{StaticResource FunctionButton}" Click="SignButton_Click" />
+
+                <Button Grid.Row="3" Grid.ColumnSpan="2" Content="0" Tag="0" Click="DigitButton_Click" />
+                <Button x:Name="DecimalButton" Grid.Row="3" Grid.Column="2" Content="." Tag="." Click="DecimalButton_Click" />
+                <Button Grid.Row="3" Grid.Column="3" Content="确定" Style="{StaticResource ConfirmButton}" Click="ConfirmButton_Click" />
+
+                <Button Grid.Row="4"
+                        Grid.ColumnSpan="4"
+                        Content="取消"
+                        Style="{StaticResource FunctionButton}"
+                        Click="CancelButton_Click" />
+            </Grid>
+        </Grid>
+    </Grid>
+</Window>
diff --git a/DentistryHandpieces/NumericKeypadWindow.xaml.cs b/DentistryHandpieces/NumericKeypadWindow.xaml.cs
new file mode 100644
index 0000000..32cb2db
--- /dev/null
+++ b/DentistryHandpieces/NumericKeypadWindow.xaml.cs
@@ -0,0 +1,284 @@
+using System.Globalization;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+
+namespace DentistryHandpieces;
+
+public partial class NumericKeypadWindow : Window
+{
+    private const int MaxInputLength = 32;
+    private readonly NumericInputMode _mode;
+    private readonly int _maxDecimalPlaces;
+    private readonly bool _allowNegative;
+    private string _input;
+
+    public NumericKeypadWindow(string prompt, string currentValue, NumericInputMode mode, int maxDecimalPlaces, bool allowNegative)
+    {
+        InitializeComponent();
+        _mode = mode;
+        _maxDecimalPlaces = maxDecimalPlaces;
+        _allowNegative = allowNegative;
+        _input = NormalizeInitialValue(currentValue);
+
+        PromptText.Text = string.IsNullOrWhiteSpace(prompt) ? "请输入数值" : prompt;
+        DecimalButton.IsEnabled = mode is NumericInputMode.Decimal or NumericInputMode.IpAddress;
+        SignButton.IsEnabled = allowNegative && mode != NumericInputMode.IpAddress;
+        UpdateDisplay();
+    }
+
+    public string ResultText { get; private set; } = string.Empty;
+
+    private void DigitButton_Click(object sender, RoutedEventArgs e)
+    {
+        if (sender is Button { Tag: string digit })
+        {
+            Append(digit);
+        }
+    }
+
+    private void DecimalButton_Click(object sender, RoutedEventArgs e)
+    {
+        if (_mode == NumericInputMode.Integer)
+        {
+            return;
+        }
+
+        if (_mode == NumericInputMode.Decimal)
+        {
+            if (_input.Contains('.', StringComparison.Ordinal))
+            {
+                SetStatus("只能输入一个小数点。");
+                return;
+            }
+
+            Append(_input is "" or "-" ? "0." : ".");
+            return;
+        }
+
+        int dotCount = _input.Count(static character => character == '.');
+        if (dotCount >= 3 || _input.EndsWith(".", StringComparison.Ordinal))
+        {
+            SetStatus("IP 地址需要 4 段数字，段与段之间只能有一个点。");
+            return;
+        }
+
+        Append(".");
+    }
+
+    private void BackspaceButton_Click(object sender, RoutedEventArgs e)
+    {
+        if (_input.Length > 0)
+        {
+            _input = _input[..^1];
+            UpdateDisplay();
+        }
+    }
+
+    private void ClearButton_Click(object sender, RoutedEventArgs e)
+    {
+        _input = string.Empty;
+        UpdateDisplay();
+    }
+
+    private void SignButton_Click(object sender, RoutedEventArgs e)
+    {
+        if (!_allowNegative || _mode == NumericInputMode.IpAddress)
+        {
+            return;
+        }
+
+        _input = _input.StartsWith("-", StringComparison.Ordinal) ? _input[1..] : $"-{_input}";
+        UpdateDisplay();
+    }
+
+    private void ConfirmButton_Click(object sender, RoutedEventArgs e)
+    {
+        Confirm();
+    }
+
+    private void CancelButton_Click(object sender, RoutedEventArgs e)
+    {
+        DialogResult = false;
+    }
+
+    private void Window_PreviewKeyDown(object sender, KeyEventArgs e)
+    {
+        if (e.Key is >= Key.D0 and <= Key.D9)
+        {
+            Append(((int)e.Key - (int)Key.D0).ToString(CultureInfo.InvariantCulture));
+            e.Handled = true;
+            return;
+        }
+
+        if (e.Key is >= Key.NumPad0 and <= Key.NumPad9)
+        {
+            Append(((int)e.Key - (int)Key.NumPad0).ToString(CultureInfo.InvariantCulture));
+            e.Handled = true;
+            return;
+        }
+
+        switch (e.Key)
+        {
+            case Key.Decimal:
+            case Key.OemPeriod:
+                DecimalButton_Click(DecimalButton, e);
+                e.Handled = true;
+                break;
+            case Key.Back:
+                BackspaceButton_Click(this, e);
+                e.Handled = true;
+                break;
+            case Key.Delete:
+                ClearButton_Click(this, e);
+                e.Handled = true;
+                break;
+            case Key.Enter:
+                Confirm();
+                e.Handled = true;
+                break;
+            case Key.Escape:
+                DialogResult = false;
+                e.Handled = true;
+                break;
+        }
+    }
+
+    private void Append(string text)
+    {
+        if (_input.Length + text.Length > MaxInputLength)
+        {
+            SetStatus($"输入内容不能超过 {MaxInputLength} 个字符。");
+            return;
+        }
+
+        if (_mode == NumericInputMode.Decimal)
+        {
+            int dotIndex = _input.IndexOf('.');
+            if (dotIndex >= 0 && char.IsDigit(text[0]) && _input.Length - dotIndex - 1 >= _maxDecimalPlaces)
+            {
+                SetStatus($"该数值最多支持 {_maxDecimalPlaces} 位小数。");
+                return;
+            }
+        }
+        else if (_mode == NumericInputMode.IpAddress)
+        {
+            string activeSegment = _input.Split('.').LastOrDefault() ?? string.Empty;
+            if (char.IsDigit(text[0]) && activeSegment.Length >= 3)
+            {
+                SetStatus("IP 地址每段最多 3 位数字。");
+                return;
+            }
+        }
+
+        _input += text;
+        UpdateDisplay();
+    }
+
+    private void Confirm()
+    {
+        if (!TryValidateAndNormalize(out string normalized, out string error))
+        {
+            SetStatus(error);
+            return;
+        }
+
+        ResultText = normalized;
+        DialogResult = true;
+    }
+
+    private bool TryValidateAndNormalize(out string normalized, out string error)
+    {
+        normalized = string.Empty;
+        error = string.Empty;
+        if (string.IsNullOrWhiteSpace(_input))
+        {
+            error = "请输入数值。";
+            return false;
+        }
+
+        if (_mode == NumericInputMode.IpAddress)
+        {
+            string[] segments = _input.Split('.');
+            if (segments.Length != 4)
+            {
+                error = "IP 地址必须由 4 段数字组成。";
+                return false;
+            }
+
+            var normalizedSegments = new string[4];
+            for (int index = 0; index < segments.Length; index++)
+            {
+                if (!byte.TryParse(segments[index], NumberStyles.None, CultureInfo.InvariantCulture, out byte segmentValue))
+                {
+                    error = "IP 地址每段必须是 0-255 的整数。";
+                    return false;
+                }
+
+                normalizedSegments[index] = segmentValue.ToString(CultureInfo.InvariantCulture);
+            }
+
+            normalized = string.Join('.', normalizedSegments);
+            return true;
+        }
+
+        if (_mode == NumericInputMode.Integer)
+        {
+            if ((!_allowNegative && !ulong.TryParse(_input, NumberStyles.None, CultureInfo.InvariantCulture, out _))
+                || (_allowNegative && !long.TryParse(_input, NumberStyles.AllowLeadingSign, CultureInfo.InvariantCulture, out _)))
+            {
+                error = "请输入有效整数。";
+                return false;
+            }
+
+            normalized = _input;
+            return true;
+        }
+
+        int decimalPlaces = GetDecimalPlaces(_input);
+        if (decimalPlaces > _maxDecimalPlaces)
+        {
+            error = $"该数值最多支持 {_maxDecimalPlaces} 位小数。";
+            return false;
+        }
+
+        NumberStyles styles = NumberStyles.AllowDecimalPoint;
+        if (_allowNegative)
+        {
+            styles |= NumberStyles.AllowLeadingSign;
+        }
+
+        if (!double.TryParse(_input, styles, CultureInfo.InvariantCulture, out double value)
+            || double.IsNaN(value)
+            || double.IsInfinity(value))
+        {
+            error = "请输入有效数字。";
+            return false;
+        }
+
+        normalized = _input.EndsWith(".", StringComparison.Ordinal) ? _input[..^1] : _input;
+        return true;
+    }
+
+    private void UpdateDisplay()
+    {
+        ValueText.Text = string.IsNullOrEmpty(_input) ? " " : _input;
+        StatusText.Text = string.Empty;
+    }
+
+    private void SetStatus(string message)
+    {
+        StatusText.Text = message;
+    }
+
+    private static int GetDecimalPlaces(string input)
+    {
+        int dotIndex = input.IndexOf('.');
+        return dotIndex < 0 ? 0 : input.Length - dotIndex - 1;
+    }
+
+    private static string NormalizeInitialValue(string value)
+    {
+        return (value ?? string.Empty).Trim().Replace(',', '.');
+    }
+}