用WPF實現微信公眾號多客服功能
- PHPz原創
- 2017-03-05 14:16:292771瀏覽
原文標題：用WPF實現微信公眾號多客服功能
#簡介：
這是利用WPF作為前端技術，實現桌上版微信多客服系統。專案採用Prism作為前端框架，採用MVVM模式極佳的對UI和邏輯程式碼分離，使用MefBootstrapper整合的MEF IOC容器，解耦各模組物件。合理利用 IEventAggregator 實現事件和互動。文章在介紹對應功能時候會給予相關實作的參考，讀者可以參考改進，引入到自己的專案中。
程式運行介面及功能預覽：
一、登陸：
功能：支援記住使用者和使用者設置，可選擇記住使用者密碼。
實作相關：
自訂登陸窗口，引入Microsoft.Windows.Shell。可參考 WPF Custom Chrome Library 和 MSDN WindowChrome Class 有相關自訂視窗實作。
最小化、最大化、關閉按鈕功能實作可參考上面的範例。
登陸按鈕，自訂Style，重寫Button的Template，參考程式碼如下：
##
<Style x:Key="LogginButton" TargetType="{x:Type Button}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Grid >
<Border x:Name="Bd" Background="{TemplateBinding Background }" BorderBrush="#d3d3d3" BorderThickness="1">
</Border>
<ContentPresenter x:Name="contentPresenter" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" RecognizesAccessKey="True"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="Bd" Property="BorderBrush" Value="#08bd14"/>
<Setter TargetName="Bd" Property="Opacity" Value="0.8"/>
</Trigger>
<Trigger Property="IsPressed" Value="True">
<Setter TargetName="Bd" Property="Background" Value="#f3f3f3"/>
<Setter TargetName="contentPresenter" Property="Margin" Value="2,2,0,0"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
View Code
記住密碼，採用 XmlSerializer 把使用者資訊序列化到本地xml設定檔中，程式啟動時載入該xml設定檔。用法 MSDN XmlSerializer二、聊天視窗，訊息傳送
功能：文字傳送，表情傳送，圖片傳送，螢幕截圖，快速回覆
Gif 動態圖：WPF中不支援Gif，所以要寫一個自訂使用者控制項作為用來顯示gif表情。 參考週銀輝 [WPF困難]在WPF中顯示動態GIF
三、客戶列表
控制項為 TabControl，重寫了TabControl 的Style 與TabItem的Style
<Style x:Key="CustomerTabStyle" TargetType="{x:Type TabControl}">
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="Padding" Value="4,4,4,4"/>
<Setter Property="Background" Value="#F9F9F9"/>
<Setter Property="HorizontalContentAlignment" Value="Center"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabControl}">
<Grid ClipToBounds="true" SnapsToDevicePixels="true" KeyboardNavigation.TabNavigation="Local">
<Grid.ColumnDefinitions>
<ColumnDefinition x:Name="ColumnDefinition0"/>
<ColumnDefinition x:Name="ColumnDefinition1" Width="0"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition x:Name="RowDefinition0" Height="Auto"/>
<RowDefinition x:Name="RowDefinition1" Height="*"/>
</Grid.RowDefinitions>
<TabPanel x:Name="HeaderPanel" Grid.Column="0" Background="#f6f6f6" IsItemsHost="true" Grid.Row="0" KeyboardNavigation.TabIndex="1" Panel.ZIndex="1"/>
<Border x:Name="ContentPanel" Background="{TemplateBinding Background}" Grid.Column="0" KeyboardNavigation.DirectionalNavigation="Contained" Grid.Row="1" KeyboardNavigation.TabIndex="2" KeyboardNavigation.TabNavigation="Local">
<ContentPresenter x:Name="PART_SelectedContentHost" ContentSource="SelectedContent" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
</Border>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="ConnectedTabItemStyle" TargetType="{x:Type TabItem}">
<Setter Property="Foreground" Value="Black"/>
<Setter Property="Padding" Value="20,8,20,0"/>
<Setter Property="BorderBrush" Value="Transparent"/>
<Setter Property="Background" Value="#b9c0cc"/>
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
<Setter Property="VerticalContentAlignment" Value="Stretch"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabItem}">
<Grid SnapsToDevicePixels="true">
<Border x:Name="Bd" Background="#f6f6f6" Padding="{TemplateBinding Padding}">
<StackPanel>
<Path Width="18" Height="18" Stretch="Fill" Fill="{TemplateBinding Background}" Data="F1 M 38,19C 43.5417,19 45.9167,22.1667 45.1174,28.8134C 45.8315,29.2229 46.3125,29.9928 46.3125,30.875C 46.3125,31.9545 45.5923,32.8658 44.6061,33.1546C 44.1941,34.623 43.5543,35.9229 42.75,36.9628L 42.75,41.9583C 45.3889,42.4861 47.5,42.75 50.6667,44.3333C 53.8333,45.9167 54.8889,47.3681 57,49.4792L 57,57L 19,57L 19,49.4792C 21.1111,47.3681 22.1667,45.9167 25.3333,44.3333C 28.5,42.75 30.6111,42.4861 33.25,41.9583L 33.25,36.9628C 32.4457,35.9229 31.8059,34.623 31.3939,33.1546C 30.4077,32.8658 29.6875,31.9545 29.6875,30.875C 29.6875,29.9928 30.1685,29.2229 30.8826,28.8134C 30.0833,22.1667 32.4583,19 38,19 Z "/>
<Border HorizontalAlignment="Center" x:Name="BottomBd" Margin="-6,-6,0,0" Visibility="Hidden">
<Path Fill="#e1e1e1" Data="M7.41,15.41L12,10.83L16.59,15.41L18,14L12,8L6,14L7.41,15.41Z" />
</Border>
</StackPanel>
</Border>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Background" TargetName="Bd" Value="#ededef"/>
</Trigger>
<Trigger Property="IsSelected" Value="true">
<Setter Property="Panel.ZIndex" Value="1"/>
<Setter Property="Background" TargetName="Bd" Value="#ffffff"/>
<Setter Property="Background" Value="#08bd14"/>
<Setter Property="Visibility" TargetName="BottomBd" Value="Visible"/>
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSelected" Value="false"/>
<Condition Property="IsMouseOver" Value="true"/>
</MultiTrigger.Conditions>
<Setter Property="BorderBrush" TargetName="Bd" Value="#ffffff"/>
</MultiTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
View Code
四、快速回覆面板
應用 TreeView 加 HierarchicalDataTemplate 實作樹形列表。
五、轉接客戶
自訂轉接客戶窗口，樣式Xaml程式碼如下：
<Style x:Key="NoResize_Window" TargetType="{x:Type Window}">
<Setter Property="FontFamily" Value="Consolas,Microsoft YaHei" />
<Setter Property="ResizeMode" Value="CanMinimize" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Window}">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="30" />
<RowDefinition Height="*" />
</Grid.RowDefinitions>
<Border Grid.Row="0" >
<Border.Background>
<LinearGradientBrush StartPoint="0,0" EndPoint="0,1">
<GradientStop Color="#494A52" Offset="0"/>
<GradientStop Color="#45464f" Offset="1"/>
</LinearGradientBrush>
</Border.Background>
<Grid>
<!--Icon and Title-->
<DockPanel >
<TextBlock Margin="12,0,0,0" Text="{TemplateBinding Title}" FontFamily="Calibri" VerticalAlignment="Center" Foreground="#FFFFFF" />
<StackPanel HorizontalAlignment="Right" Orientation="Horizontal" VerticalAlignment="Top">
<ctrl:MinAndCloseCaptionButton></ctrl:MinAndCloseCaptionButton>
</StackPanel>
</DockPanel>
</Grid>
</Border>
<Grid Grid.Row="1" >
<Border Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
Padding="{TemplateBinding Margin}"
SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" >
<ContentPresenter />
</Border>
</Grid>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
View Code
转接客户列表，样式Xaml代码如下：
<Style x:Key="OnlineUserListBoxStyle" TargetType="{x:Type ListBox}">
<Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"/>
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
<Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/>
<Setter Property="ScrollViewer.CanContentScroll" Value="true"/>
<Setter Property="ScrollViewer.PanningMode" Value="Both"/>
<Setter Property="Stylus.IsFlicksEnabled" Value="False"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ListBox}">
<Border x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="1" SnapsToDevicePixels="true">
<DockPanel>
<Border BorderBrush="#dbdbdb" BorderThickness="0,0,0,1" DockPanel.Dock="Top">
<Grid Background="#f6f6f6" TextElement.Foreground="#999999" DockPanel.Dock="Top">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<TextBlock Margin="5,7,0,6" Grid.Column="0">状态</TextBlock>
<TextBlock Margin="5,7,0,6" Grid.Column="1">工号</TextBlock>
<TextBlock Margin="5,7,0,6" Grid.Column="2">昵称</TextBlock>
</Grid>
</Border>
<ScrollViewer Focusable="false" Padding="{TemplateBinding Padding}">
<ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
</ScrollViewer>
</DockPanel>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="OnlineUserListBoxItemStyle" TargetType="{x:Type ListBoxItem}">
<Setter Property="Background" Value="Transparent"/>
<Setter Property="HorizontalContentAlignment" Value="{Binding HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>
<Setter Property="VerticalContentAlignment" Value="{Binding VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/>
<Setter Property="Padding" Value="2,0,0,0"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ListBoxItem}">
<Border x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="true">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<StackPanel Grid.Column="0" Orientation="Horizontal" >
<Border Margin="4,2,4,2" Height="24" Width="24" >
<Grid>
<Path Fill="#6f6f6f" Data="M6,17C6,15 10,13.9 12,13.9C14,13.9 18,15 18,17V18H6M15,9A3,3 0 0,1 12,12A3,3 0 0,1 9,9A3,3 0 0,1 12,6A3,3 0 0,1 15,9M3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V5A2,2 0 0,0 19,3H5C3.89,3 3,3.9 3,5Z" />
<Path Visibility="{Binding Path=IsOnLine,Converter={StaticResource BoolToVisibilityConverter}}" Fill="#8bc34a" Data="M6,17C6,15 10,13.9 12,13.9C14,13.9 18,15 18,17V18H6M15,9A3,3 0 0,1 12,12A3,3 0 0,1 9,9A3,3 0 0,1 12,6A3,3 0 0,1 15,9M3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V5A2,2 0 0,0 19,3H5C3.89,3 3,3.9 3,5Z" />
</Grid>
</Border>
<TextBlock Padding="4,0,4,0" VerticalAlignment="Center" Text="{Binding Path=OnLineStatus}" />
</StackPanel>
<StackPanel Grid.Column="1" Orientation="Horizontal" >
<TextBlock Padding="4,0,4,0" VerticalAlignment="Center" Text="{Binding Path=Name}"/>
</StackPanel>
<StackPanel Grid.Column="2" Orientation="Horizontal" >
<TextBlock Padding="4,0,4,0" VerticalAlignment="Center" Text="{Binding Path=RealName}"/>
</StackPanel>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsSelected" Value="true">
<Setter Property="Background" TargetName="Bd" Value="#9ea5b8"/>
<Setter Property="Foreground" Value="#ffffff"/>
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSelected" Value="false" />
<Condition Property="IsMouseOver" Value="true" />
</MultiTrigger.Conditions>
<Setter Property="Background" TargetName="Bd" Value="#e0e1e5"/>
</MultiTrigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
View Code
关于以上控件的事件与命令，引进System.Windows.Interactivity.
在Xmal中导入命名控件 xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
使用代码如下：
<ListBox Margin="12,0,12,0" BorderThickness="1"
Style="{DynamicResource OnlineUserListBoxStyle}"
ItemContainerStyle="{DynamicResource OnlineUserListBoxItemStyle}"
ItemsSource="{Binding Path= AllUsers}"
SelectedItem="{Binding Path=SelectedUser}"
>
<i:Interaction.Triggers>
<i:EventTrigger EventName="SelectionChanged">
<i:InvokeCommandAction Command="{Binding Path= UserSelectedChangedCommand}" />
</i:EventTrigger>
</i:Interaction.Triggers>
</ListBox>
View Code
系统运行截图：
说明：
程序UI布局及展示为模仿微信多客服官方程序，所有样式源码为本人所写及参考网上部分资源。
程序中所用图标来源于这两个资源库：http://www.php.cn/ http://www.php.cn/
小结：
本文只作了简单的介绍，主要介绍UI上的一些实现和功能介绍。具体后台业务逻辑看以后能否补上，包括Prism使用，和微信公众号相关的知识。
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