dd

Server/YD_XinWei/Services/Impl/LargeScreenService.cs

@@ -227,6 +227,28 @@ namespace YD_XinWei.Api.Services.Impl
 
             //res.ItemRealTimeResultList = realTimeResults;
 
+            var today = DateTime.Today;
+
+            // 本周一
+            var startOfThisWeek = today.AddDays(-(int)today.DayOfWeek + 1);
+
+            // 下周一（= 本周结束时间）
+            var startOfNextWeek = startOfThisWeek.AddDays(7);
+
+            // 上周一
+            var startOfLastWeek = startOfThisWeek.AddDays(-7);
+
+            // 本周数据
+            var thisWeekCount = sportsTestData
+                .Count(x => x.ScoreTime >= startOfThisWeek && x.ScoreTime < startOfNextWeek);
+
+            // 上周数据
+            var lastWeekCount = sportsTestData
+                .Count(x => x.ScoreTime >= startOfLastWeek && x.ScoreTime < startOfThisWeek);
+
+            res.BasicInfo.WeekTrainingCount = thisWeekCount;
+            res.BasicInfo.Increase = thisWeekCount - lastWeekCount;
+
             return res;
         }
 
@@ -276,7 +298,7 @@ namespace YD_XinWei.Api.Services.Impl
                 .ToListAsync();
 
             // 2. 内存分组取每个学生最新一条
-            var latestPerStudent = sourceData.OrderBy(x=>x.ScoreTime).ToList();
+            var latestPerStudent = sourceData.OrderBy(x => x.ScoreTime).ToList();
 
             // 3. 映射到 DTO
             var realTimeResults = latestPerStudent