From ff23934b248b1267b685c7a40249bc2fca00fe9e Mon Sep 17 00:00:00 2001
From: Looly <loolly@gmail.com>
Date: Sun, 14 Mar 2021 09:14:05 +0800
Subject: [PATCH] fix io bug

---
 CHANGELOG.md                                           |  1 +
 .../src/main/java/cn/hutool/core/io/IoUtil.java        | 10 +++++++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c530c81c7..79c8e7622 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 ### 新特性
 * 【crypto 】     SecureUtil去除final修饰符（issue#1474@Github）
 ### Bug修复
+* 【core   】     修复IoUtil.readBytes的FileInputStream中isClose参数失效问题（issue#I3B7UD@Gitee）
 
 -------------------------------------------------------------------------------------------------------------
 
diff --git a/hutool-core/src/main/java/cn/hutool/core/io/IoUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/IoUtil.java
index b29e0e5cb..fe645a3bd 100644
--- a/hutool-core/src/main/java/cn/hutool/core/io/IoUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/IoUtil.java
@@ -448,12 +448,12 @@ public class IoUtil extends NioUtil {
 	 * 从流中读取bytes
 	 *
 	 * @param in      {@link InputStream}
-	 * @param isCLose 是否关闭输入流
+	 * @param isClose 是否关闭输入流
 	 * @return bytes
 	 * @throws IORuntimeException IO异常
 	 * @since 5.0.4
 	 */
-	public static byte[] readBytes(InputStream in, boolean isCLose) throws IORuntimeException {
+	public static byte[] readBytes(InputStream in, boolean isClose) throws IORuntimeException {
 		if (in instanceof FileInputStream) {
 			// 文件流的长度是可预见的，此时直接读取效率更高
 			final byte[] result;
@@ -466,12 +466,16 @@ public class IoUtil extends NioUtil {
 				}
 			} catch (IOException e) {
 				throw new IORuntimeException(e);
+			} finally {
+				if (isClose) {
+					close(in);
+				}
 			}
 			return result;
 		}
 
 		// 未知bytes总量的流
-		return read(in, isCLose).toByteArray();
+		return read(in, isClose).toByteArray();
 	}
 
 	/**