b06chart-BootstrapBlazor实战 Chart 图表使用(

densen2014 · Apr 3, 2022 · 9a5262b · 9a5262b
1 parent 810a567
commit 9a5262b
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diff --git a/Blazor100.sln b/Blazor100.sln
@@ -54,6 +54,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "b05tree", "b05tree\b05tree.
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BlazorRecord", "BlazorRecord\BlazorRecord.csproj", "{B356302D-73BF-4546-B9DD-71D9016D650B}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "b06chart", "b06chart\b06chart.csproj", "{4701FDAF-2E22-46CD-A03C-2A992247C3F7}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -80,6 +82,10 @@ Global
 		{B356302D-73BF-4546-B9DD-71D9016D650B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B356302D-73BF-4546-B9DD-71D9016D650B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B356302D-73BF-4546-B9DD-71D9016D650B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4701FDAF-2E22-46CD-A03C-2A992247C3F7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4701FDAF-2E22-46CD-A03C-2A992247C3F7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4701FDAF-2E22-46CD-A03C-2A992247C3F7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4701FDAF-2E22-46CD-A03C-2A992247C3F7}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

diff --git a/b06chart/App.razor b/b06chart/App.razor
@@ -0,0 +1,14 @@
+<BootstrapBlazorRoot>
+    <Router AppAssembly="@typeof(App).Assembly">
+        <Found Context="routeData">
+            <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)" />
+            <FocusOnNavigate RouteData="@routeData" Selector="h1" />
+        </Found>
+        <NotFound>
+            <PageTitle>Not found</PageTitle>
+            <LayoutView Layout="@typeof(MainLayout)">
+                <p role="alert">Sorry, there's nothing at this address.</p>
+            </LayoutView>
+        </NotFound>
+    </Router>
+</BootstrapBlazorRoot>
diff --git a/b06chart/Data/WeatherForecast.cs b/b06chart/Data/WeatherForecast.cs
@@ -0,0 +1,12 @@
+namespace b06chart.Data;
+
+public class WeatherForecast
+{
+    public DateTime Date { get; set; }
+
+    public int TemperatureC { get; set; }
+
+    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+
+    public string? Summary { get; set; }
+}
diff --git a/b06chart/Data/WeatherForecastService.cs b/b06chart/Data/WeatherForecastService.cs
@@ -0,0 +1,19 @@
+namespace b06chart.Data;
+
+public class WeatherForecastService
+{
+    private static readonly string[] Summaries = new[]
+    {
+        "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+    };
+
+    public Task<WeatherForecast[]> GetForecastAsync(DateTime startDate)
+    {
+        return Task.FromResult(Enumerable.Range(1, 5).Select(index => new WeatherForecast
+        {
+            Date = startDate.AddDays(index),
+            TemperatureC = Random.Shared.Next(-20, 55),
+            Summary = Summaries[Random.Shared.Next(Summaries.Length)]
+        }).ToArray());
+    }
+}
diff --git a/b06chart/Pages/Counter.razor b/b06chart/Pages/Counter.razor
@@ -0,0 +1,18 @@
+@page "/counter"
+
+<PageTitle>Counter</PageTitle>
+
+<h1>Counter</h1>
+
+<p role="status">Current count: @currentCount</p>
+
+<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
+
+@code {
+    private int currentCount = 0;
+
+    private void IncrementCount()
+    {
+        currentCount++;
+    }
+}
diff --git a/b06chart/Pages/Error.cshtml b/b06chart/Pages/Error.cshtml
@@ -0,0 +1,42 @@
+@page
+@model b06chart.Pages.ErrorModel
+
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <title>Error</title>
+    <link href="~/css/bootstrap/bootstrap.min.css" rel="stylesheet" />
+    <link href="~/css/site.css" rel="stylesheet" asp-append-version="true" />
+</head>
+
+<body>
+    <div class="main">
+        <div class="content px-4">
+            <h1 class="text-danger">Error.</h1>
+            <h2 class="text-danger">An error occurred while processing your request.</h2>
+
+            @if (Model.ShowRequestId)
+            {
+                <p>
+                    <strong>Request ID:</strong> <code>@Model.RequestId</code>
+                </p>
+            }
+
+            <h3>Development Mode</h3>
+            <p>
+                Swapping to the <strong>Development</strong> environment displays detailed information about the error that occurred.
+            </p>
+            <p>
+                <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+                It can result in displaying sensitive information from exceptions to end users.
+                For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+                and restarting the app.
+            </p>
+        </div>
+    </div>
+</body>
+
+</html>
diff --git a/b06chart/Pages/Error.cshtml.cs b/b06chart/Pages/Error.cshtml.cs
@@ -0,0 +1,26 @@
+using System.Diagnostics;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace b06chart.Pages;
+
+[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+[IgnoreAntiforgeryToken]
+public class ErrorModel : PageModel
+{
+    public string? RequestId { get; set; }
+
+    public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+    private readonly ILogger<ErrorModel> _logger;
+
+    public ErrorModel(ILogger<ErrorModel> logger)
+    {
+        _logger = logger;
+    }
+
+    public void OnGet()
+    {
+        RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier;
+    }
+}
diff --git a/b06chart/Pages/FetchData.razor b/b06chart/Pages/FetchData.razor
@@ -0,0 +1,48 @@
+@page "/fetchdata"
+
+<PageTitle>Weather forecast</PageTitle>
+
+@using b06chart.Data
+@inject WeatherForecastService ForecastService
+
+<h1>Weather forecast</h1>
+
+<p>This component demonstrates fetching data from a service.</p>
+
+@if (forecasts == null)
+{
+    <p><em>Loading...</em></p>
+}
+else
+{
+    <table class="table">
+        <thead>
+            <tr>
+                <th>Date</th>
+                <th>Temp. (C)</th>
+                <th>Temp. (F)</th>
+                <th>Summary</th>
+            </tr>
+        </thead>
+        <tbody>
+            @foreach (var forecast in forecasts)
+            {
+                <tr>
+                    <td>@forecast.Date.ToShortDateString()</td>
+                    <td>@forecast.TemperatureC</td>
+                    <td>@forecast.TemperatureF</td>
+                    <td>@forecast.Summary</td>
+                </tr>
+            }
+        </tbody>
+    </table>
+}
+
+@code {
+    private WeatherForecast[]? forecasts;
+
+    protected override async Task OnInitializedAsync()
+    {
+        forecasts = await ForecastService.GetForecastAsync(DateTime.Now);
+    }
+}
diff --git a/b06chart/Pages/Index.razor b/b06chart/Pages/Index.razor
@@ -0,0 +1,98 @@
+@page "/"
+
+<PageTitle>Index</PageTitle>
+
+<p>折线图</p>
+
+<Chart @ref="LineChart" OnInitAsync="() => OnInit(0.4f, false)" Width="50%" />
+
+<button class="btn btn-primary" @onclick="e => UtilityChart.RandomData(LineChart)"><i class="fa fa-line-chart"></i><span>随机数据</span></button>
+
+@code{
+    private Random Randomer { get; } = new Random();
+    private int LineDatasetCount = 2;
+    private int LineDataCount = 7;
+
+    private Chart? LineChart { get; set; }
+
+    private Task<ChartDataSource> OnInit(float tension, bool hasNull)
+    {
+        var ds = new ChartDataSource();
+        ds.Options.Title = "Line 折线图";
+        ds.Options.X.Title = "天数";
+        ds.Options.Y.Title = "数值";
+        ds.Labels = Enumerable.Range(1, LineDataCount).Select(i => i.ToString());
+        for (var index = 0; index < LineDatasetCount; index++)
+        {
+            ds.Data.Add(new ChartDataset()
+            {
+                Tension = tension,
+                Label = $"数据集 {index}",
+                Data = Enumerable.Range(1, LineDataCount).Select((i, index) => (index == 2 && hasNull) ? null! : (object)Randomer.Next(20, 37))
+            });
+        }
+        return Task.FromResult(ds);
+    }
+}
+
+<p>柱状图</p>
+
+<Chart ChartType="ChartType.Bar" OnInitAsync="() => OnInit(false)" @ref="BarChart" Width="50%" />
+
+<button class="btn btn-primary" @onclick="e => UtilityChart.RandomData(BarChart)"><i class="fa fa-bar-chart"></i><span>随机数据</span></button>
+
+@code{
+    private int BarDatasetCount = 2;
+    private int BarDataCount = 7;
+
+    private Chart? BarChart { get; set; }
+
+    private Task<ChartDataSource> OnInit(bool stacked)
+    {
+        var ds = new ChartDataSource();
+        ds.Options.Title = "Bar 柱状图";
+        ds.Options.X.Title = "天数";
+        ds.Options.Y.Title = "数值";
+        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 = $"数据集 {index}",
+                Data = Enumerable.Range(1, BarDataCount).Select(i => Randomer.Next(20, 37)).Cast<object>()
+            });
+        }
+        return Task.FromResult(ds);
+    }
+}
+
+<p>饼图</p>
+
+<Chart ChartType="ChartType.Pie" OnInitAsync="@OnInit" @ref="PieChart" Width="50%"/>
+
+<button class="btn btn-primary" @onclick="e => UtilityChart.RandomData(PieChart)"><i class="fa fa-pie-chart"></i><span>随机数据</span></button>
+
+@code{
+    private int PieDatasetCount = 1;
+    private int PieDataCount = 5;
+
+    private Chart? PieChart { get; set; }
+
+    private Task<ChartDataSource> OnInit()
+    {
+        var ds = new ChartDataSource();
+        ds.Options.Title = "Pie 饼图";
+        ds.Labels = UtilityChart.Colors.Take(PieDataCount);
+        for (var index = 0; index < PieDatasetCount; index++)
+        {
+            ds.Data.Add(new ChartDataset()
+            {
+                Label = $"数据集 {index}",
+                Data = Enumerable.Range(1, PieDataCount).Select(i => Randomer.Next(20, 37)).Cast<object>()
+            });
+        }
+        return Task.FromResult(ds);
+    }
+}
diff --git a/b06chart/Pages/_Host.cshtml b/b06chart/Pages/_Host.cshtml
@@ -0,0 +1,8 @@
+@page "/"
+@namespace b06chart.Pages
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
+@{
+    Layout = "_Layout";
+}
+
+<component type="typeof(App)" render-mode="ServerPrerendered" />
diff --git a/b06chart/Pages/_Layout.cshtml b/b06chart/Pages/_Layout.cshtml
@@ -0,0 +1,36 @@
+@using Microsoft.AspNetCore.Components.Web
+@namespace b06chart.Pages
+@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <base href="~/" />
+    <link href="_content/BootstrapBlazor.FontAwesome/css/font-awesome.min.css" rel="stylesheet" />
+    <link href="_content/BootstrapBlazor/css/bootstrap.blazor.bundle.min.css" rel="stylesheet" />
+    <link href="_content/BootstrapBlazor.Chart/css/bootstrap.blazor.chart.bundle.min.css" rel="stylesheet" />
+    <link href="css/site.css" rel="stylesheet" />
+    <link href="b06chart.styles.css" rel="stylesheet" />
+    <component type="typeof(HeadOutlet)" render-mode="ServerPrerendered" />
+</head>
+<body>
+    @RenderBody()
+
+    <div id="blazor-error-ui">
+        <environment include="Staging,Production">
+            An error has occurred. This application may no longer respond until reloaded.
+        </environment>
+        <environment include="Development">
+            An unhandled exception has occurred. See browser dev tools for details.
+        </environment>
+        <a href="" class="reload">Reload</a>
+        <a class="dismiss">🗙</a>
+    </div>
+
+    <script src="_content/BootstrapBlazor/js/bootstrap.blazor.bundle.min.js" asp-append-version="true"></script>
+    <script src="_content/BootstrapBlazor.Chart/js/bootstrap.blazor.chart.bundle.min.js" asp-append-version="true"></script>
+    <script src="_framework/blazor.server.js"></script>
+</body>
+</html>
diff --git a/b06chart/Program.cs b/b06chart/Program.cs
@@ -0,0 +1,32 @@
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Web;
+using b06chart.Data;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddRazorPages();
+builder.Services.AddServerSideBlazor();
+builder.Services.AddSingleton<WeatherForecastService>();
+builder.Services.AddBootstrapBlazor();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (!app.Environment.IsDevelopment())
+{
+    app.UseExceptionHandler("/Error");
+    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+    app.UseHsts();
+}
+
+app.UseHttpsRedirection();
+
+app.UseStaticFiles();
+
+app.UseRouting();
+
+app.MapBlazorHub();
+app.MapFallbackToPage("/_Host");
+
+app.Run();