NumberUtil.toBigDecimal转换科学计数法问题

Author: looly

CHANGELOG.md

@@ -5,10 +5,11 @@
 # 5.8.22(2023-08-02)
 
 ### 🐣新特性
-* 【core  】      NumberUtil.nullToZero增加重载（issue#I7PPD2@Github）
-* 【core  】      DesensitizedUtil增加清空策略（issue#I7PUJ2@Github）
+* 【core  】      NumberUtil.nullToZero增加重载（issue#I7PPD2@Gitee）
+* 【core  】      DesensitizedUtil增加清空策略（issue#I7PUJ2@Gitee）
 
 ### 🐞Bug修复
+* 【core  】      NumberUtil.toBigDecimal转换科学计数法问题（issue#3241@Github）
 
 -------------------------------------------------------------------------------------------------------------
 # 5.8.21(2023-07-29)

hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java

@@ -2240,19 +2240,14 @@ public static BigDecimal toBigDecimal(String numberStr) {
 			return BigDecimal.ZERO;
 		}
 
-		try {
-			// 支持类似于 1,234.55 格式的数字
-			final Number number = parseNumber(numberStr);
-			if (number instanceof BigDecimal) {
-				return (BigDecimal) number;
-			} else {
-				return new BigDecimal(number.toString());
-			}
-		} catch (Exception ignore) {
+		try{
+			return new BigDecimal(numberStr);
+		} catch (Exception ignore){
 			// 忽略解析错误
 		}
 
-		return new BigDecimal(numberStr);
+		// 支持类似于 1,234.55 格式的数字
+		return toBigDecimal(parseNumber(numberStr));
 	}
 
 	/**

hutool-core/src/test/java/cn/hutool/core/convert/Issue3241Test.java

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2023 looly([email protected])
+ * Hutool is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *          http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+
+package cn.hutool.core.convert;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.math.BigDecimal;
+
+public class Issue3241Test {
+	@Test
+	public void toBigDecimalTest() {
+		Assert.assertEquals(new BigDecimal("9.0E+7"), Convert.toBigDecimal("9.0E+7"));
+	}
+}

hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java

@@ -249,6 +249,8 @@ public void toBigDecimalTest() {
 
 		bigDecimal = NumberUtil.toBigDecimal("1,234.56D");
 		Assert.assertEquals("1234.56", bigDecimal.toString());
+
+		Assert.assertEquals(new BigDecimal("9.0E+7"), NumberUtil.toBigDecimal("9.0E+7"));
 	}
 
 	@Test