获取很小的 随机数

src/main/java/com/sqx/modules/discSpinning/service/impl/DiscSpinningServiceImpl.java

@@ -183,5 +183,12 @@ public class DiscSpinningServiceImpl extends ServiceImpl<DiscSpinningDao, DiscSp
             receiveAsync(record);
         });
     }
+
+
+    public static BigDecimal getSmallDouble(int maxValue) {
+        Random random = new Random();
+        int value = random.nextInt(maxValue) * random.nextInt(maxValue);
+        return new BigDecimal(value / 100);
+    }
 }