From af3a35f5e039427a0761350896da894c90d83362 Mon Sep 17 00:00:00 2001
From: Looly <loolly@aliyun.com>
Date: Tue, 19 Nov 2024 16:42:18 +0800
Subject: [PATCH] =?UTF-8?q?Excel07SaxReader=E4=B8=AD=EF=BC=8C=E5=AF=B9?=
 =?UTF-8?q?=E4=BA=8E=E5=B0=8F=E6=95=B0=E7=B1=BB=E5=9E=8B=EF=BC=8C=E5=A2=9E?=
 =?UTF-8?q?=E5=8A=A0=E7=B2=BE=E5=BA=A6=E5=88=A4=E6=96=AD=EF=BC=88issue#IB0?=
 =?UTF-8?q?EJ9@Gitee=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../hutool/poi/excel/sax/ExcelSaxUtil.java    | 31 ++++++++++++-------
 1 file changed, 20 insertions(+), 11 deletions(-)

diff --git a/hutool-poi/src/main/java/org/dromara/hutool/poi/excel/sax/ExcelSaxUtil.java b/hutool-poi/src/main/java/org/dromara/hutool/poi/excel/sax/ExcelSaxUtil.java
index a22e7aaf5..2a50fe9d7 100644
--- a/hutool-poi/src/main/java/org/dromara/hutool/poi/excel/sax/ExcelSaxUtil.java
+++ b/hutool-poi/src/main/java/org/dromara/hutool/poi/excel/sax/ExcelSaxUtil.java
@@ -16,22 +16,23 @@
 
 package org.dromara.hutool.poi.excel.sax;
 
-import org.dromara.hutool.core.date.DateTime;
-import org.dromara.hutool.core.date.DateUtil;
-import org.dromara.hutool.core.exception.DependencyException;
-import org.dromara.hutool.core.io.IORuntimeException;
-import org.dromara.hutool.core.text.CharUtil;
-import org.dromara.hutool.core.text.StrUtil;
-import org.dromara.hutool.core.util.ObjUtil;
-import org.dromara.hutool.poi.excel.ExcelDateUtil;
-import org.dromara.hutool.poi.excel.sax.handler.RowHandler;
-import org.dromara.hutool.poi.POIException;
 import org.apache.poi.hssf.eventusermodel.FormatTrackingHSSFListener;
 import org.apache.poi.hssf.record.CellValueRecordInterface;
 import org.apache.poi.ss.usermodel.DataFormatter;
 import org.apache.poi.util.XMLHelper;
 import org.apache.poi.xssf.model.SharedStrings;
 import org.apache.poi.xssf.usermodel.XSSFRichTextString;
+import org.dromara.hutool.core.date.DateTime;
+import org.dromara.hutool.core.date.DateUtil;
+import org.dromara.hutool.core.exception.DependencyException;
+import org.dromara.hutool.core.io.IORuntimeException;
+import org.dromara.hutool.core.math.NumberUtil;
+import org.dromara.hutool.core.text.CharUtil;
+import org.dromara.hutool.core.text.StrUtil;
+import org.dromara.hutool.core.util.ObjUtil;
+import org.dromara.hutool.poi.POIException;
+import org.dromara.hutool.poi.excel.ExcelDateUtil;
+import org.dromara.hutool.poi.excel.sax.handler.RowHandler;
 import org.xml.sax.ContentHandler;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
@@ -285,7 +286,15 @@ public class ExcelSaxUtil {
 		if (StrUtil.isBlank(value)) {
 			return null;
 		}
-		return getNumberValue(Double.parseDouble(value), numFmtString);
+
+		// issue#IB0EJ9 可能精度丢失
+		final double number = Double.parseDouble(value);
+		if(false == value.equals(Double.toString(number))){
+			// 精度丢失
+			return NumberUtil.toBigDecimal(value);
+		}
+
+		return getNumberValue(number, numFmtString);
 	}
 
 	/**