update

zgztBus/jeecg-module-sbm/src/main/java/org/jeecg/modules/billet/billetOriginalProductRecord/controller/BilletOriginalProductRecordController.java

@@ -730,7 +730,7 @@ public class BilletOriginalProductRecordController extends JeecgController<Bille
 
 
 	 /**
-	  * 将总数随机分配到指定数量的流中，允许流的数量为0
+	  * 将总数按顺序循环分配到指定数量的流中
 	  * @param total 总数
 	  * @param numStrands 流的数量
 	  * @return 分配结果映射（键为流的名称，值为分配的数量）
@@ -739,24 +739,23 @@ public class BilletOriginalProductRecordController extends JeecgController<Bille
 		 // 初始化每个流分配0个
 		 List<Integer> allocation = new ArrayList<>(Collections.nCopies(numStrands, 0));
 
-		 // 随机分配所有数量
-		 Random random = ThreadLocalRandom.current();
+		 // 按顺序循环分配所有数量
 		 for (int i = 0; i < total; i++) {
-			 // 随机选择一个流增加数量
-			 int index = random.nextInt(numStrands);
+			 // 计算当前应该分配的流索引（循环使用）
+			 int index = i % numStrands;
 			 allocation.set(index, allocation.get(index) + 1);
 		 }
 
 		 // 构建结果映射
 		 Map<String, Integer> result = new HashMap<>();
-		 result.put("oneStrandSum", allocation.get(0));
-		 result.put("twoStrandSum", allocation.get(1));
-		 result.put("threeStrandSum", allocation.get(2));
-		 result.put("fourStrandSum", allocation.get(3));
-		 result.put("fiveStrandSum", allocation.get(4));
-		 result.put("sixStrandSum", allocation.get(5));
-		 result.put("sevenStrandSum", allocation.get(6));
-		 result.put("eightStrandSum", allocation.get(7));
+		 result.put("oneStrandSum", numStrands > 0 ? allocation.get(0) : 0);
+		 result.put("twoStrandSum", numStrands > 1 ? allocation.get(1) : 0);
+		 result.put("threeStrandSum", numStrands > 2 ? allocation.get(2) : 0);
+		 result.put("fourStrandSum", numStrands > 3 ? allocation.get(3) : 0);
+		 result.put("fiveStrandSum", numStrands > 4 ? allocation.get(4) : 0);
+		 result.put("sixStrandSum", numStrands > 5 ? allocation.get(5) : 0);
+		 result.put("sevenStrandSum", numStrands > 6 ? allocation.get(6) : 0);
+		 result.put("eightStrandSum", numStrands > 7 ? allocation.get(7) : 0);
 
 		 return result;
 	 }