From 7df1b024765ba03d1b35366e97ed8f34d722c726 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Wed, 1 Nov 2023 10:00:21 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E6=95=B0=E5=AD=97=E9=87=91?=
 =?UTF-8?q?=E9=A2=9D=E5=A4=A7=E5=86=99=E8=BD=AC=E6=8D=A2=E7=B2=BE=E5=BA=A6?=
 =?UTF-8?q?=E4=B8=A2=E5=A4=B1=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../src/main/java/com/ruoyi/common/core/text/Convert.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/text/Convert.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/text/Convert.java
index de0d12742..2176e12a9 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/text/Convert.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/text/Convert.java
@@ -2,6 +2,7 @@ package com.ruoyi.common.core.text;
 
 import java.math.BigDecimal;
 import java.math.BigInteger;
+import java.math.RoundingMode;
 import java.nio.ByteBuffer;
 import java.nio.charset.Charset;
 import java.text.NumberFormat;
@@ -983,7 +984,12 @@ public class Convert
         String s = "";
         for (int i = 0; i < fraction.length; i++)
         {
-            s += (digit[(int) (Math.floor(n * 10 * Math.pow(10, i)) % 10)] + fraction[i]).replaceAll("(零.)+", "");
+            // 优化double计算精度丢失问题
+            BigDecimal nNum = new BigDecimal(n);
+            BigDecimal decimal = new BigDecimal(10);
+            BigDecimal scale = nNum.multiply(decimal).setScale(2, RoundingMode.HALF_EVEN);
+            double d = scale.doubleValue();
+            s += (digit[(int) (Math.floor(d * Math.pow(10, i)) % 10)] + fraction[i]).replaceAll("(零.)+", "");
         }
         if (s.length() < 1)
         {