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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 4 jaren geleden
bovenliggende
commit
ccf84377f8

+ 5 - 2
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java

@@ -18,6 +18,7 @@ import java.util.Map;
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 import java.util.Set;
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 import java.util.stream.Collectors;
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 import javax.servlet.http.HttpServletResponse;
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+import org.apache.commons.lang3.RegExUtils;
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 import org.apache.poi.ss.usermodel.BorderStyle;
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 import org.apache.poi.ss.usermodel.Cell;
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 import org.apache.poi.ss.usermodel.CellStyle;
@@ -65,6 +66,8 @@ public class ExcelUtil<T>
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 {
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     private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
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+    public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
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+
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     public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
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     /**
@@ -595,9 +598,9 @@ public class ExcelUtil<T>
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         {
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             String cellValue = Convert.toStr(value);
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             // 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。
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-            if (StringUtils.containsAny(cellValue, FORMULA_STR))
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+            if (StringUtils.startsWithAny(cellValue, FORMULA_STR))
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             {
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-                cellValue = StringUtils.replaceEach(cellValue, FORMULA_STR, new String[] { "\t=", "\t-", "\t+", "\t@" });
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+                cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
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             }
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             cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
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         }