磁盘（光驱）验证除数不为零

2018-12-06 11:44:20 +08:00
parent 9d225fecb9
commit e56a7e7e57
2 changed files with 8 additions and 1 deletions
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/Arith.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/Arith.java
@ -86,6 +86,10 @@ public class Arith
        }
        BigDecimal b1 = new BigDecimal(Double.toString(v1));
        BigDecimal b2 = new BigDecimal(Double.toString(v2));
+        if (b1.compareTo(BigDecimal.ZERO) == 0)
+        {
+            return BigDecimal.ZERO.doubleValue();
+        }
        return b1.divide(b2, scale, BigDecimal.ROUND_HALF_UP).doubleValue();
    }