From e27fdf2322d691d8d795fa4a667c5363e0f8d5e2 Mon Sep 17 00:00:00 2001
From: ChenJiaHe <763432473@qq.com>
Date: 星期四, 08 四月 2021 15:40:09 +0800
Subject: [PATCH] 新增double取多少小数点方法
---
src/main/java/com/hx/util/NumberUtil.java | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/hx/util/NumberUtil.java b/src/main/java/com/hx/util/NumberUtil.java
index 708ac35..27d25e0 100644
--- a/src/main/java/com/hx/util/NumberUtil.java
+++ b/src/main/java/com/hx/util/NumberUtil.java
@@ -337,4 +337,18 @@
return str;
}
+ /**Double绫诲瀷杞寲
+ * @param data 鏁版嵁
+ * @param digitNumber 淇濈暀澶氬皯浣嶅皬鏁�
+ * @return
+ */
+ public static Double getTypeDouble(Double data,Integer digitNumber) {
+ //鍒╃敤BigDecimal鏉ュ疄鐜板洓鑸嶄簲鍏�.淇濈暀涓�浣嶅皬鏁�
+ double result2 = new BigDecimal(data).setScale(digitNumber, BigDecimal.ROUND_HALF_UP).doubleValue();
+ //1浠ｈ〃淇濈暀1浣嶅皬鏁�,淇濈暀涓や綅灏忔暟灏辨槸2
+ //BigDecimal.ROUND_HALF_UP 浠ｈ〃浣跨敤鍥涜垗浜斿叆鐨勬柟寮�
+
+ return result2;
+ }
+
}
--
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