一个简单登录界面

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一、效果展示

二、准备代码

创建一个WPF工程，创建名为 Login5 的WPF项目。

添加Nuget包

MaterialDesignThemes

界面的整体布局和样式代码

<Window x:Class="Login5.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        xmlns:local="clr-namespace:Login5"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800"
        ResizeMode="NoResize" WindowStartupLocation="CenterScreen"
        WindowStyle="None">
    <Window.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Light.xaml"/>
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignThemes.Wpf;component/Themes/MaterialDesignTheme.Defaults.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Primary/MaterialDesignColor.Red.xaml" />
                <ResourceDictionary Source="pack://application:,,,/MaterialDesignColors;component/Themes/Recommended/Accent/MaterialDesignColor.Lime.xaml" />

            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Window.Resources>
    <Grid MouseDown="Grid_MouseDown">
        <Grid.Background>
            <LinearGradientBrush StartPoint="0.1,0" EndPoint="0.9,1">
                <GradientStop Offset="1" Color="#FFE63070"/>
                <GradientStop Offset="0" Color="#FFFE8704"/>
            </LinearGradientBrush>
        </Grid.Background>
        <Border Height="390" VerticalAlignment="Top" 
                Background="#100E17" CornerRadius="0 0 180 0">
            <StackPanel Orientation="Horizontal">
                <StackPanel Width="350">
                    <Image Width="300" Height="300" Margin="30" 
                           VerticalAlignment="Top" Stretch="Fill" Source="pack://application:,,,/Login5;component/Images/left.png"/>
                </StackPanel>
                <StackPanel Width="350">
                    <StackPanel Margin="20,40">
                        <TextBlock Margin="20" FontFamily="Great Vibes"
                                   FontSize="38" Foreground="White" TextAlignment="Center">
                            用户登录
                        </TextBlock>
                        <StackPanel Margin="10" Orientation="Horizontal">
                            <materialDesign:PackIcon
                                Width="25" Height="25" Foreground="White"
                                Kind="User"/>
                            <TextBox x:Name="txtUserName" Width="250"
                                     Margin="10,0" BorderBrush="White"
                                     CaretBrush="#FFD94448" Foreground="White"
                                     SelectionBrush="#FFD94448"
                                     materialDesign:HintAssist.Hint="输入 用户名 / 邮箱"/>
                        </StackPanel>
                        <StackPanel Margin="10" Orientation="Horizontal">
                            <materialDesign:PackIcon
                                 Width="25" Height="25" Foreground="White"
                                 Kind="Lock"/>
                             <PasswordBox x:Name="txtPassword" Width="250"
                                      Margin="10,0" BorderBrush="White"
                                      CaretBrush="#FFD94448" Foreground="White"
                                      SelectionBrush="#FFD94448"
                                      materialDesign:HintAssist.Hint="********"/>
                        </StackPanel>
                        <StackPanel Margin="10" HorizontalAlignment="Center">
                            <Button  x:Name="btnLogin" Width="100" Height="40"
                                     materialDesign:ButtonAssist.CornerRadius="10"
                                     Background="#D94448" BorderBrush="#D94448" BorderThickness="2"
                                     Content="登录" Foreground="White" ToolTip="登录"
                                     Style="{StaticResource MaterialDesignRaisedButton}"/>
                        </StackPanel>
                    </StackPanel>
                </StackPanel>
                <StackPanel Width="100">
                    <Button x:Name="btnExit" Margin="10,20" Background="{x:Null}"
                            Click="btnExit_Click" Style="{StaticResource MaterialDesignFloatingActionButton}"
                            ToolTip="关闭">
                        <materialDesign:PackIcon Width="30" Height="30" 
                                                 Foreground="White" Kind="Close"/>
                    </Button>
                </StackPanel>
            </StackPanel>

        </Border>
    </Grid>
</Window>

MainWindow.xaml.cs

using System.Windows;
using System.Windows.Input;

namespace Login5
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void btnExit_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }

        private void Grid_MouseDown(object sender, MouseButtonEventArgs e)
        {
            if(Mouse.LeftButton == MouseButtonState.Pressed)
            {
                this.DragMove();
            }
        }
    }
}

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