From 6f0c59d7be923b0d94c568fe4ba6280ede89f10b Mon Sep 17 00:00:00 2001
From: Yancey <hanyanslife@gmail.com>
Date: 星期三, 09 二月 2022 00:27:51 +0800
Subject: [PATCH] 优化默认值的问题，Model中不建议有默认值的逻辑。
---
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 93a19e8..22b6b57 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -86,6 +86,9 @@
{
private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
+ public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
+
+
/**
* Excel sheet最大行数，默认65536
*/
@@ -710,7 +713,13 @@
{
if (ColumnType.STRING == attr.cellType())
{
- cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
+ String cellValue = Convert.toStr(value);
+ // 对于任何以表达式触发字符 =-+@开头的单元格，直接使用tab字符作为前缀，防止CSV注入。
+ if (StringUtils.containsAny(cellValue, FORMULA_STR))
+ {
+ cellValue = StringUtils.replaceEach(cellValue, FORMULA_STR, new String[] { "\t=", "\t-", "\t+", "\t@" });
+ }
+ cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
}
else if (ColumnType.NUMERIC == attr.cellType())
{
--
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