78 lines
2.2 KiB
Plaintext
78 lines
2.2 KiB
Plaintext
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@page "/Box/CheckDDD"
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@using Radzen.Blazor
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@using System.ComponentModel
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<style>
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.total-footer {
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font-weight: 600;
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color: var(--rz-secondary);
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padding: 8px 12px;
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background-color: var(--rz-base-100);
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border-top: 2px solid var(--rz-border-default);
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}
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</style>
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@* <RadzenDataGrid @ref="grid" Data="@summaryData" TItem="dynamic"
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AllowPaging="true" PageSize="5">
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<Columns>
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<RadzenDataGridColumn Title="商品品类" Property="Category" Width="200px" />
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<RadzenDataGridColumn Title="销售总量" TextAlign="TextAlign.Right">
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<Template Context="group">
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<span class="font-bold">@group.TotalQuantity.ToString("N0")</span>
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</Template>
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<FooterTemplate>
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<div class="total-footer">
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全品类合计: @orders.Sum(o => o.Quantity).ToString("N0")
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</div>
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</FooterTemplate>
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</RadzenDataGridColumn>
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</Columns>
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</RadzenDataGrid> *@
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@code {
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RadzenDataGrid<dynamic> grid;
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List<Order> orders = new();
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IEnumerable<dynamic> summaryData;
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protected override void OnInitialized()
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{
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// 模拟数据
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orders = new List<Order> {
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new Order { Category = "电子产品", Quantity = 15 },
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new Order { Category = "电子产品", Quantity = 8 },
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new Order { Category = "家居用品", Quantity = 23 }
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};
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CalculateSummary();
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}
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void CalculateSummary()
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{
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summaryData = orders
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.GroupBy(o => o.Category)
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.Select(g => new
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{
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Category = g.Key,
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TotalQuantity = g.Sum(x => x.Quantity)
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}).ToList();
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}
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public class Order : INotifyPropertyChanged
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{
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public event PropertyChangedEventHandler PropertyChanged;
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public string Category { get; set; }
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private int _quantity;
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public int Quantity
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{
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get => _quantity;
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set
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{
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_quantity = value;
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PropertyChanged?.Invoke(this,
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new PropertyChangedEventArgs(nameof(Quantity)));
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}
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}
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}
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}
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