From 1bf0b331c93e9b801cd96227b342bbc5b328bd7c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=94=B3=E5=8A=AD=E6=98=8E?= <626546063@qq.com>
Date: Fri, 23 Jul 2021 10:06:41 +0000
Subject: [PATCH] fix bug https://gitee.com/dromara/hutool/issues/I4231K

---
 .../src/main/java/cn/hutool/core/io/FileTypeUtil.java       | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/io/FileTypeUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/FileTypeUtil.java
index a3c4b147e..cb43c87a0 100644
--- a/hutool-core/src/main/java/cn/hutool/core/io/FileTypeUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/FileTypeUtil.java
@@ -177,6 +177,12 @@ public class FileTypeUtil {
 			} else if ("ofd".equalsIgnoreCase(extName)) {
 				typeName = "ofd";
 			}
+		} else if ("jar".equals(typeName)) {
+			// wps编辑过的.xlsx文件与.jar的开头相同,通过扩展名判断
+			final String extName = FileUtil.extName(filename);
+			if ("xlsx".equalsIgnoreCase(extName)) {
+				typeName = "xlsx";
+			}
 		}
 		return typeName;
 	}