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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

This commit is contained in:
RuoYi 2022-03-27 14:36:31 +08:00
parent 6605bf35a8
commit 61034d4dde
1 changed files with 5 additions and 2 deletions
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7
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
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@ -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.containsAny(cellValue, FORMULA_STR))
if (StringUtils.startsWithAny(cellValue, FORMULA_STR))
{
cellValue = StringUtils.replaceEach(cellValue, FORMULA_STR, new String[] { "\t=", "\t-", "\t+", "\t@" });
cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
}
cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
}