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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

RuoYi 3 years ago
parent
commit
61034d4dde

+ 5 - 2
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<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());
         }