对于传统的路由,我知道请求首先到达mvcmiddleware,然后路由器会将请求与预定义的模板进行比较。
如果找到匹配的路由,则将从请求中提取路由值,并将其分配给所选模板的路由参数。然后,控制器和操作路线参数将用于查找请求的路线。
另一方面,属性路由是在运行时计算出URL并将其作为键值对和相关操作存储在字典中的,当请求到达mvcmiddleware时,它会检查请求url是否为字典并调用相关的操作。
但是当请求到达mvcmiddleaware时,我们已经定义了两种路由类型,哪个路由器倾向于首先处理该请求?
答案 0 :(得分:1)
根据我的理解,常规路由和基于属性的路由都使用中间件。我假设路由规则评估遵循中间件注册。因此,如果首先配置了基于路由的中间件(<Page.Resources>
<Style x:Key="ListViewItemContainerStyle1" TargetType="ListViewItem">
<Setter Property="FontFamily" Value="{ThemeResource ContentControlThemeFontFamily}"/>
<Setter Property="FontSize" Value="{ThemeResource ControlContentThemeFontSize}"/>
<Setter Property="Background" Value="{ThemeResource ListViewItemBackground}"/>
<Setter Property="Foreground" Value="{ThemeResource ListViewItemForeground}"/>
<Setter Property="TabNavigation" Value="Local"/>
<Setter Property="IsHoldingEnabled" Value="True"/>
<Setter Property="Padding" Value="12,0,12,0"/>
<Setter Property="HorizontalContentAlignment" Value="Left"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="MinWidth" Value="{ThemeResource ListViewItemMinWidth}"/>
<Setter Property="MinHeight" Value="{ThemeResource ListViewItemMinHeight}"/>
<Setter Property="AllowDrop" Value="False"/>
<Setter Property="UseSystemFocusVisuals" Value="{StaticResource UseSystemFocusVisuals}"/>
<Setter Property="FocusVisualMargin" Value="0"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ListViewItem">
<ListViewItemPresenter x:Name="Root" FocusVisualPrimaryThickness="0" CheckBrush="{ThemeResource ListViewItemCheckBrush}" ContentMargin="{TemplateBinding Padding}" CheckBoxBrush="{ThemeResource ListViewItemCheckBoxBrush}" ContentTransitions="{TemplateBinding ContentTransitions}" CheckMode="{ThemeResource ListViewItemCheckMode}" DragOpacity="{ThemeResource ListViewItemDragThemeOpacity}" DisabledOpacity="{ThemeResource ListViewItemDisabledThemeOpacity}" DragBackground="{ThemeResource ListViewItemDragBackground}" DragForeground="{ThemeResource ListViewItemDragForeground}" FocusBorderBrush="{ThemeResource ListViewItemFocusBorderBrush}" FocusVisualMargin="{TemplateBinding FocusVisualMargin}" FocusSecondaryBorderBrush="{ThemeResource ListViewItemFocusSecondaryBorderBrush}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Control.IsTemplateFocusTarget="True" PressedBackground="{ThemeResource ListViewItemBackgroundPressed}" PlaceholderBackground="{ThemeResource ListViewItemPlaceholderBackground}" PointerOverForeground="{ThemeResource ListViewItemForegroundPointerOver}" PointerOverBackground="{ThemeResource ListViewItemBackgroundPointerOver}" RevealBorderThickness="{ThemeResource MenuFlyoutItemRevealBorderThickness}" ReorderHintOffset="{ThemeResource ListViewItemReorderHintThemeOffset}" RevealBorderBrush="{ThemeResource ListViewItemRevealBorderBrush}" RevealBackground="{ThemeResource ListViewItemRevealBackground}" SelectedForeground="{ThemeResource ListViewItemForegroundSelected}" SelectionCheckMarkVisualEnabled="{ThemeResource ListViewItemSelectionCheckMarkVisualEnabled}" SelectedBackground="Red" SelectedPressedBackground="{ThemeResource ListViewItemBackgroundSelectedPressed}" SelectedPointerOverBackground="{ThemeResource ListViewItemBackgroundSelectedPointerOver}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal"/>
<VisualState x:Name="Selected">
<VisualState.Setters>
<Setter Target="Root.RevealBorderThickness" Value="2"/>
<Setter Target="Root.RevealBorderBrush" Value="Green"/>
</VisualState.Setters>
</VisualState>
<VisualState x:Name="PointerOver">
<VisualState.Setters>
<Setter Target="Root.(RevealBrush.State)" Value="PointerOver"/>
<Setter Target="Root.RevealBorderBrush" Value="{ThemeResource ListViewItemRevealBorderBrushPointerOver}"/>
</VisualState.Setters>
</VisualState>
<VisualState x:Name="PointerOverSelected">
<VisualState.Setters>
<Setter Target="Root.(RevealBrush.State)" Value="PointerOver"/>
<Setter Target="Root.RevealBorderBrush" Value="{ThemeResource ListViewItemRevealBorderBrushPointerOver}"/>
</VisualState.Setters>
</VisualState>
<VisualState x:Name="PointerOverPressed">
<VisualState.Setters>
<Setter Target="Root.(RevealBrush.State)" Value="Pressed"/>
<Setter Target="Root.RevealBorderBrush" Value="{ThemeResource ListViewItemRevealBorderBrushPressed}"/>
</VisualState.Setters>
</VisualState>
<VisualState x:Name="Pressed">
<VisualState.Setters>
<Setter Target="Root.(RevealBrush.State)" Value="Pressed"/>
<Setter Target="Root.RevealBorderBrush" Value="{ThemeResource ListViewItemRevealBorderBrushPressed}"/>
</VisualState.Setters>
</VisualState>
<VisualState x:Name="PressedSelected">
<VisualState.Setters>
<Setter Target="Root.(RevealBrush.State)" Value="Pressed"/>
<Setter Target="Root.RevealBorderBrush" Value="{ThemeResource ListViewItemRevealBorderBrushPressed}"/>
</VisualState.Setters>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="DisabledStates">
<VisualState x:Name="Enabled"/>
<VisualState x:Name="Disabled">
<VisualState.Setters>
<Setter Target="Root.RevealBorderThickness" Value="0"/>
</VisualState.Setters>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
</ListViewItemPresenter>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Page.Resources>
<Grid>
<ListView Width="300" ItemContainerStyle="{StaticResource ListViewItemContainerStyle1}">
<ListViewItem>123</ListViewItem>
<ListViewItem>234</ListViewItem>
</ListView>
</Grid>
),则应首先评估其规则。
为了确保首先评估哪个,我建议使用路由调试器,例如this,blog post。通过调用UseRouting
,您将能够在响应头中看到已解决的路由规则。