查询细节

QueryDetail.xaml.cs

@@ -0,0 +1,96 @@
+using SunlightAggregationTerminal.Models;
+using System.Collections.ObjectModel;
+
+namespace SunlightAggregationTerminal;
+
+public partial class QueryDetail : ContentPage
+{
+    public static ObservableCollection<DyelotDetailsItem> QueryDetailDyelotDetailsItems { get; set; } = new();
+    public static ObservableCollection<DyelotDetailsItem> QueryDetailDyelotDetailsItemst { get; set; } = new();
+    public QueryDetail(DyelotItem item)
+	{
+        
+
+        InitializeComponent();
+
+        QueryDetailDyelotDetailsItems.Add(new DyelotDetailsItem
+        {
+            Dyelot = "2134566",
+            Machine = "g01",
+            Step="3",
+            CreationTime = "",
+            DispenserGram="32434",
+            Gram = "3212",
+            ReDye = "0",
+            ProductName="sdvsf1",
+            Information = "yyjjy\nfxfxdsdg\n",
+        });
+        QueryDetailDyelotDetailsItems.Add(new DyelotDetailsItem
+        {
+            Dyelot = "2134566",
+            Machine = "g01",
+            Step = "3",
+            CreationTime = "",
+            DispenserGram = "32423434",
+            Gram = "3212434",
+            ReDye = "0",
+            ProductName = "sdvsf2",
+            Information = "yyjjy\nfxfxdsdg\n",
+        });
+        QueryDetailDyelotDetailsItems.Add(new DyelotDetailsItem
+        {
+            Dyelot = "2134566",
+            Machine = "g01",
+            CreationTime = "",
+            DispenserGram = "3212434",
+            Gram= "3212434",
+            Step = "4",
+            ReDye = "0",
+            ProductName = "sdvsf3",
+            Information = "yyjjy\nfxfxdsdg\n",
+        });
+
+        Data_();
+
+        
+    }
+
+    private void Data_() 
+    {
+
+        var processedList = QueryDetailDyelotDetailsItems
+            .GroupBy(item => new
+            {
+                // 建议加上 ?.Trim() 防止空格和 null 导致的分组偏差
+                Dyelot = item.Dyelot?.Trim(),
+                Step = item.Step?.Trim()
+            })
+            .Select(g =>
+            {
+                var firstItem = g.First();
+                // 提取该组内所有的 ProductName 并转为字符串
+                // 提取该组内所有的 Gram，安全地转为字符串（防止 null 报错）
+                // 将两者用 Zip 方法一一配对，拼接成 "ProductName(Gram)" 的格式
+                // 如果只想简单的全部堆在一起，也可以直接用 string.Join(",", productNames.Concat(grams))                
+                var productNames = g.Select(x => x.ProductName);                 
+                var grams = g.Select(x => x.Gram?.ToString());                
+                var dispenserGrams = g.Select(x => x.DispenserGram?.ToString());
+                // 使用 Zip 将三者一一配对，拼接成 "名称(Gram/dispenserGram)" 的格式                
+                var combinedInfo = string.Join("\n",productNames.Zip(grams, (name, gram) => (name, gram)) // 先把前两个拼成元组                               
+                    .Zip(dispenserGrams, (pair, dispGram) => $"原料:{pair.name}\n目标用量:{pair.gram}g\n实际用量:{dispGram}g"));
+
+                // 赋值给最终展示的 ProductName
+                firstItem.ProductName = combinedInfo;
+                return firstItem;
+            })
+            .ToList(); // 强制立刻执行查询
+
+        // 更新 UI 绑定的 ObservableCollection
+        QueryDetailDyelotDetailsItems.Clear();
+        foreach (var item in processedList)
+        {
+            QueryDetailDyelotDetailsItems.Add(item);
+        }
+        CardCollectionView_data.ItemsSource = QueryDetailDyelotDetailsItems;
+    }
+}