加上时间筛选和取最近30条

langguanApi/Service/WasherService.cs

@@ -66,6 +66,18 @@ namespace langguanApi.Service
                 entity.StateString=item.State==0?"停止":"运行";
                 washerHistroyResult.Add(entity);
             }
+            if (!string.IsNullOrWhiteSpace(input.startTime))
+            {
+                washerHistroyResult = washerHistroyResult.Where(p => Convert.ToDateTime(p.Time) >= Convert.ToDateTime(input.startTime)).ToList();
+            }
+            if (!string.IsNullOrWhiteSpace(input.endTime))
+            {
+                washerHistroyResult = washerHistroyResult.Where(p => Convert.ToDateTime(p.Time) <= Convert.ToDateTime(input.endTime)).ToList();
+            }
+            if (washerHistroyResult.Any())
+            {
+                washerHistroyResult = washerHistroyResult.OrderByDescending(p => p.Time).Take(30).ToList();
+            }
             return washerHistroyResult;
         }
     }