fix(Chart): support custom label formatter (#6778)

ArgoZhang · web-flow · commit a0dc0f0096e2 · 2025-09-23T10:49:20.000+08:00
* doc: 更新示例

* chore: 更新依赖
diff --git a/src/BootstrapBlazor.Server/BootstrapBlazor.Server.csproj b/src/BootstrapBlazor.Server/BootstrapBlazor.Server.csproj
@@ -29,7 +29,7 @@
     <PackageReference Include="BootstrapBlazor.BarCode" Version="9.0.1" />
     <PackageReference Include="BootstrapBlazor.BarcodeGenerator" Version="9.0.0" />
     <PackageReference Include="BootstrapBlazor.BootstrapIcon" Version="9.0.2" />
-    <PackageReference Include="BootstrapBlazor.Chart" Version="9.0.0" />
+    <PackageReference Include="BootstrapBlazor.Chart" Version="9.0.1" />
     <PackageReference Include="BootstrapBlazor.ChatBot" Version="9.0.0" />
     <PackageReference Include="BootstrapBlazor.CherryMarkdown" Version="9.0.3" />
     <PackageReference Include="BootstrapBlazor.CodeEditor" Version="9.0.3" />
diff --git a/src/BootstrapBlazor.Server/Components/Samples/Charts/Bar.razor.cs b/src/BootstrapBlazor.Server/Components/Samples/Charts/Bar.razor.cs
@@ -59,14 +59,15 @@ private Task<ChartDataSource> OnInit(bool stacked, bool setTitle = true)
             ds.Options.Title = "Bar Histogram";
         }
 
+        ds.Options.ShowDataLabel = true;
         ds.Options.X.Title = "days";
         ds.Options.Y.Title = "Numerical value";
         ds.Options.X.Stacked = stacked;
         ds.Options.Y.Stacked = stacked;
         ds.Labels = Enumerable.Range(1, _barDataCount).Select(i => i.ToString());
         for (var index = 0; index < _barDatasetCount; index++)
         {
-            ds.Data.Add(new ChartDataset() { Label = $"Set {index}", Data = Enumerable.Range(1, _barDataCount).Select(i => Random.Shared.Next(20, 37)).Cast<object>() });
+            ds.Data.Add(new ChartDataset() { Label = $"Set {index}", Data = Enumerable.Range(1, _barDataCount).Select(i => Random.Shared.Next(20, 37) / 10.0f).Cast<object>() });
         }
 
         return Task.FromResult(ds);

Original file line number	Diff line number	Diff line change
`@@ -59,14 +59,15 @@ private Task<ChartDataSource> OnInit(bool stacked, bool setTitle = true)`
`59`	`59`	`ds.Options.Title = "Bar Histogram";`
`60`	`60`	`}`
`61`	`61`
	`62`	`+ ds.Options.ShowDataLabel = true;`
`62`	`63`	`ds.Options.X.Title = "days";`
`63`	`64`	`ds.Options.Y.Title = "Numerical value";`
`64`	`65`	`ds.Options.X.Stacked = stacked;`
`65`	`66`	`ds.Options.Y.Stacked = stacked;`
`66`	`67`	`ds.Labels = Enumerable.Range(1, _barDataCount).Select(i => i.ToString());`
`67`	`68`	`for (var index = 0; index < _barDatasetCount; index++)`
`68`	`69`	`{`
`69`		`- ds.Data.Add(new ChartDataset() { Label = $"Set {index}", Data = Enumerable.Range(1, _barDataCount).Select(i => Random.Shared.Next(20, 37)).Cast<object>() });`
	`70`	`+ ds.Data.Add(new ChartDataset() { Label = $"Set {index}", Data = Enumerable.Range(1, _barDataCount).Select(i => Random.Shared.Next(20, 37) / 10.0f).Cast<object>() });`
`70`	`71`	`}`
`71`	`72`
`72`	`73`	`return Task.FromResult(ds);`