feat(BootstrapInput): add OnBlurAsync parameter

Author: ArgoZhang

src/BootstrapBlazor/Components/Input/BootstrapInput.razor

@@ -7,4 +7,4 @@
     <BootstrapLabel required="@Required" for="@Id" ShowLabelTooltip="ShowLabelTooltip" Value="@DisplayText" />
 }
 
-<input @attributes="@AdditionalAttributes" type="@Type" placeholder="@PlaceHolder" id="@Id" readonly="@ReadonlyString" class="@ClassName" disabled="@Disabled" @bind-value="CurrentValueAsString" @bind-value:event="@EventString" @ref="FocusElement" />
+<input @attributes="@AdditionalAttributes" type="@Type" placeholder="@PlaceHolder" id="@Id" readonly="@ReadonlyString" class="@ClassName" disabled="@Disabled" @bind-value="CurrentValueAsString" @bind-value:event="@EventString" @onblur="@OnBlur" @ref="FocusElement" />

src/BootstrapBlazor/Components/Input/BootstrapInput.razor.cs

@@ -22,6 +22,12 @@ public partial class BootstrapInput<TValue>
     [Parameter]
     public bool AutoSetDefaultWhenNull { get; set; }
 
+    /// <summary>
+    /// 获得/设置 失去焦点回调方法 默认 null
+    /// </summary>
+    [Parameter]
+    public Func<TValue, Task>? OnBlurAsync { get; set; }
+
     private string? ReadonlyString => Readonly ? "true" : null;
 
     /// <summary>
@@ -47,4 +53,15 @@ protected override bool TryParseValueFromString(string value, [MaybeNullWhen(fal
         }
         return ret;
     }
+
+    /// <summary>
+    /// OnBlur 方法
+    /// </summary>
+    protected virtual async Task OnBlur()
+    {
+        if (OnBlurAsync != null)
+        {
+            await OnBlurAsync(Value);
+        }
+    }
 }