From 03abc40237d5facd7a24628ed6afe0a014b49e1b Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期二, 11 十月 2022 18:06:24 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/FileHelper.java | 18 +++++++++++++++---
1 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/src/main/java/com/lf/server/helper/FileHelper.java b/src/main/java/com/lf/server/helper/FileHelper.java
index 5e49417..6781262 100644
--- a/src/main/java/com/lf/server/helper/FileHelper.java
+++ b/src/main/java/com/lf/server/helper/FileHelper.java
@@ -11,9 +11,6 @@
/**
* 鑾峰彇鏂囦欢鎵╁睍鍚�
- *
- * @param file 鏂囦欢
- * @return
*/
public static String getExtension(File file) {
if (file == null) {
@@ -30,6 +27,21 @@
return fileName.substring(idx);
}
+ /**
+ * 鑾峰彇鏂囦欢鎵╁睍鍚�
+ */
+ public static String getExtension(String fileName) {
+ if (StringHelper.isEmpty(fileName)) {
+ return "";
+ }
+
+ int idx = fileName.lastIndexOf(POINT);
+ if (idx == -1) {
+ return "";
+ }
+
+ return fileName.substring(idx).toLowerCase();
+ }
/**
* 鑾峰彇澶氱敤閫斾簰鑱旂綉閭欢鎵╁睍绫诲瀷
--
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