From 2560a5d3d0a504a41691528dc1d8c0a6f1cdd6b7 Mon Sep 17 00:00:00 2001
From: lxw <810412026@qq.com>
Date: 星期五, 03 十一月 2023 10:14:56 +0800
Subject: [PATCH] 2.16~代码质量：null引用
---
src/main/java/com/whyc/util/ExcelUtil.java | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/main/java/com/whyc/util/ExcelUtil.java b/src/main/java/com/whyc/util/ExcelUtil.java
index ffb5ab0..4ee20b8 100644
--- a/src/main/java/com/whyc/util/ExcelUtil.java
+++ b/src/main/java/com/whyc/util/ExcelUtil.java
@@ -75,9 +75,11 @@
//涓嶄繚瀛樼紦瀛樹俊鎭笌response.reset鍚屾牱鏁堟灉
response.addHeader("Pragma", "no-cache");
response.addHeader("Cache-Control", "no-cache");
- wb.write(os);
- os.flush();
- os.close();
+ if(os!=null){
+ wb.write(os);
+ os.flush();
+ os.close();
+ }
} catch (IOException e) {
e.printStackTrace();
}
--
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