From 5d44fc1cc1f9451ca18bf89d38e48f259dce2f62 Mon Sep 17 00:00:00 2001
From: Looly <loolly@aliyun.com>
Date: Mon, 12 Jan 2026 16:08:26 +0800
Subject: [PATCH] =?UTF-8?q?`NumberUtil.parseNumber`=E5=A2=9E=E5=8A=A0?=
 =?UTF-8?q?=E6=94=AF=E6=8C=81=E7=A7=91=E5=AD=A6=E8=AE=A1=E6=95=B0=E6=B3=95?=
 =?UTF-8?q?=EF=BC=88pr#4211@Github=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/cn/hutool/v7/core/math/NumberParser.java   | 13 ++++++++++++-
 .../java/cn/hutool/v7/core/math/NumberUtilTest.java | 10 ++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/hutool-core/src/main/java/cn/hutool/v7/core/math/NumberParser.java b/hutool-core/src/main/java/cn/hutool/v7/core/math/NumberParser.java
index 07f7324cfe..af1cff0bda 100644
--- a/hutool-core/src/main/java/cn/hutool/v7/core/math/NumberParser.java
+++ b/hutool-core/src/main/java/cn/hutool/v7/core/math/NumberParser.java
@@ -21,6 +21,7 @@ import cn.hutool.v7.core.convert.ConvertUtil;
 import cn.hutool.v7.core.text.CharUtil;
 import cn.hutool.v7.core.text.StrUtil;
 
+import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.text.DecimalFormat;
 import java.text.NumberFormat;
@@ -40,7 +41,7 @@ import java.util.Locale;
  *
  * <p>
  *     构造时可选是否将NaN转为0，默认为true。<br>
- *     参考：https://stackoverflow.com/questions/5876369/why-does-casting-double-nan-to-int-not-throw-an-exception-in-java
+ *     参考：<a href="https://stackoverflow.com/questions/5876369/why-does-casting-double-nan-to-int-not-throw-an-exception-in-java">why-does-casting-double-nan-to-int-not-throw-an-exception-in-java</a>
  * </p>
  *
  * @author Looly
@@ -374,6 +375,16 @@ public class NumberParser {
 		// issue@4197@Github 转为半角
 		numberStr = ConvertUtil.toDBC(numberStr);
 
+		// issue#IDJ1NS@Gitee 处理科学计数法E+格式
+		// NumberFormat对E+格式支持不佳,使用BigDecimal直接解析
+		if (StrUtil.containsIgnoreCase(numberStr, "e")) {
+			try {
+				return new BigDecimal(numberStr);
+			} catch (final NumberFormatException e) {
+				// BigDecimal解析失败,继续使用NumberFormat尝试
+			}
+		}
+
 		try {
 			final NumberFormat format = NumberFormat.getInstance(locale);
 			if (format instanceof DecimalFormat) {
diff --git a/hutool-core/src/test/java/cn/hutool/v7/core/math/NumberUtilTest.java b/hutool-core/src/test/java/cn/hutool/v7/core/math/NumberUtilTest.java
index de813d60c8..dea7c5eb8a 100644
--- a/hutool-core/src/test/java/cn/hutool/v7/core/math/NumberUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/v7/core/math/NumberUtilTest.java
@@ -528,6 +528,16 @@ public class NumberUtilTest {
 
 	}
 
+	@Test
+	void issueIDJ1NSTest(){
+		final String numberstr1 = "8.37095942E+9";
+		final BigDecimal result1 = (BigDecimal) NumberUtil.parseNumber(numberstr1);
+		final String numberstr2 = "8.37095942e+9";
+		final BigDecimal result2 = (BigDecimal) NumberUtil.parseNumber(numberstr2);
+		assertEquals(new BigDecimal("8370959420").toPlainString(), result1.toPlainString());
+		assertEquals(new BigDecimal("8370959420").toPlainString(), result2.toPlainString());
+	}
+
 	@Test
 	public void parseHexNumberTest() {
 		// 千位分隔符去掉