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 eb94075..9a837c4 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 @@ -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 { 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 { 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()); }