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jinli gu
RuoYi Vue
Commits
61034d4d
Commit
61034d4d
authored
Mar 27, 2022
by
RuoYi
Browse files
优化导出excel单元格验证,包含变更为开头.防止正常内容被替换
parent
6605bf35
Changes
1
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ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
View file @
61034d4d
...
...
@@ -22,6 +22,7 @@ import java.util.Set;
import
java.util.UUID
;
import
java.util.stream.Collectors
;
import
javax.servlet.http.HttpServletResponse
;
import
org.apache.commons.lang3.RegExUtils
;
import
org.apache.poi.hssf.usermodel.HSSFClientAnchor
;
import
org.apache.poi.hssf.usermodel.HSSFPicture
;
import
org.apache.poi.hssf.usermodel.HSSFPictureData
;
...
...
@@ -88,6 +89,8 @@ public class ExcelUtil<T>
{
private
static
final
Logger
log
=
LoggerFactory
.
getLogger
(
ExcelUtil
.
class
);
public
static
final
String
FORMULA_REGEX_STR
=
"=|-|\\+|@"
;
public
static
final
String
[]
FORMULA_STR
=
{
"="
,
"-"
,
"+"
,
"@"
};
/**
...
...
@@ -714,9 +717,9 @@ public class ExcelUtil<T>
{
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
.
contains
Any
(
cellValue
,
FORMULA_STR
))
if
(
StringUtils
.
startsWith
Any
(
cellValue
,
FORMULA_STR
))
{
cellValue
=
String
Utils
.
replace
Each
(
cellValue
,
FORMULA_
STR
,
new
String
[]
{
"\t="
,
"\t-"
,
"\t+"
,
"\t@"
}
);
cellValue
=
RegEx
Utils
.
replace
First
(
cellValue
,
FORMULA_
REGEX_STR
,
"\t$0"
);
}
cell
.
setCellValue
(
StringUtils
.
isNull
(
cellValue
)
?
attr
.
defaultValue
()
:
cellValue
+
attr
.
suffix
());
}
...
...
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