IOT/LoginModule/Views/LoginView.xaml

<UserControl x:Class="LoginModule.Views.LoginView"
             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"             
             xmlns:helpers="clr-namespace:UIShare.Helpers;assembly=UIShare"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:prism="http://prismlibrary.com/"
             xmlns:mah="http://metro.mahapps.com/winfx/xaml/controls"
             prism:ViewModelLocator.AutoWireViewModel="True"
             xmlns:local="clr-namespace:LoginModule.Views"
             mc:Ignorable="d"
             Height="315"
             Width="420">
    <UserControl.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="/UIShare;component/Styles/CommonStyle.xaml" />
            </ResourceDictionary.MergedDictionaries>
            <!-- 这里是你的额外样式 -->
            <Style TargetType="TextBox"
                   BasedOn="{StaticResource MahApps.Styles.TextBox}">
                <Setter Property="FontSize"
                        Value="14" />
                <Setter Property="BorderThickness"
                        Value="0,0,0,2" />
                <Setter Property="BorderBrush"
                        Value="#E0E0E0" />
                <Setter Property="Padding"
                        Value="5,8" />
                <Setter Property="Background"
                        Value="Transparent" />
            </Style>

            <Style TargetType="PasswordBox"
                   BasedOn="{StaticResource MahApps.Styles.PasswordBox}">
                <Setter Property="FontSize"
                        Value="14" />
                <Setter Property="BorderThickness"
                        Value="0,0,0,2" />
                <Setter Property="BorderBrush"
                        Value="#E0E0E0" />
                <Setter Property="Padding"
                        Value="5,8" />
                <Setter Property="Background"
                        Value="Transparent" />
            </Style>

            <Style TargetType="Button"
                   BasedOn="{StaticResource MahApps.Styles.Button.Flat}">
                <Setter Property="FontSize"
                        Value="15" />
                <Setter Property="FontWeight"
                        Value="SemiBold" />
                <Setter Property="Foreground"
                        Value="White" />
                <Setter Property="Background"
                        Value="#2196F3" />
                <Setter Property="BorderThickness"
                        Value="0" />
                <Setter Property="Margin"
                        Value="0,20,0,0" />
            </Style>
        </ResourceDictionary>
    </UserControl.Resources>
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="40" />
        </Grid.RowDefinitions>

        <!-- 表单区域 -->
        <Border Grid.Row="0"
                Background="White"
                Margin="20,20,20,0"
                CornerRadius="5"
                BorderThickness="1"
                BorderBrush="#E0E0E0"
                Padding="30,20">
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                    <RowDefinition Height="Auto" />
                </Grid.RowDefinitions>


                <Label Content="用户登录"
                       HorizontalAlignment="Center"
                       FontSize="15"
                       Padding="3" />
                <StackPanel Grid.Row="1">

                    <!-- 用户名输入 -->
                    <StackPanel  Orientation="Vertical"
                                 HorizontalAlignment="Center">
                        <StackPanel Orientation="Horizontal"
                                    Margin="17">
                            <materialDesign:PackIcon Kind="Account"
                                                     VerticalAlignment="Center" />
                            <TextBox Text="{Binding Account}"
                                     mah:TextBoxHelper.Watermark="请输入账号"
                                     mah:TextBoxHelper.ClearTextButton="True"
                                     VerticalContentAlignment="Center"
                                     Width="180"
                                     Height="30"
                                     Padding="0" />
                        </StackPanel>
                    </StackPanel>

                    <!-- 密码输入 -->
                    <StackPanel Orientation="Vertical"
                                HorizontalAlignment="Center">
                        <StackPanel Orientation="Horizontal"
                                    Margin="7">
                            <materialDesign:PackIcon Kind="Lock"
                                                     VerticalAlignment="Center" />
                            <PasswordBox helpers:PasswordBoxHelper.Password="{Binding Password, Mode=TwoWay}"
                                         mah:TextBoxHelper.Watermark="请输入密码"
                                         mah:TextBoxHelper.ClearTextButton="True"
                                         VerticalContentAlignment="Center"
                                         Width="180"
                                         Height="30"
                                         Padding="0" />
                        </StackPanel>
                        <Label Content="注册账户"
                               HorizontalAlignment="Right"
                               Cursor="Hand">
                            <i:Interaction.Triggers>
                                <i:EventTrigger EventName="MouseLeftButtonUp">
                                    <i:InvokeCommandAction Command="{Binding RegisterCommand}" />
                                </i:EventTrigger>
                            </i:Interaction.Triggers>
                        </Label>
                    </StackPanel>
                </StackPanel>

                <!-- 登录按钮 -->
                <Button Grid.Row="2"
                        Command="{Binding LoginCommand}"
                        Content="登 录"
                        Width="120"
                        Height="33"
                        mah:ControlsHelper.CornerRadius="5">
                    <Button.Effect>
                        <DropShadowEffect BlurRadius="8"
                                          ShadowDepth="3"
                                          Opacity="0.5" />
                    </Button.Effect>
                </Button>
            </Grid>
        </Border>

        <!-- 底部版权信息 -->
        <TextBlock Grid.Row="2"
                   Text="© 2025 大学生学习交流平台"
                   Foreground="#777"
                   FontSize="12"
                   HorizontalAlignment="Center"
                   Margin="0,10" />
    </Grid>
</UserControl>