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@ -22,6 +22,7 @@ import java.util.Set; |
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import java.util.UUID; |
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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.hssf.usermodel.HSSFClientAnchor; |
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import org.apache.poi.hssf.usermodel.HSSFPicture; |
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import org.apache.poi.hssf.usermodel.HSSFPictureData; |
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@ -88,6 +89,8 @@ 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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public static final String[] FORMULA_STR = { "=", "-", "+", "@" }; |
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/** |
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@ -714,9 +717,9 @@ 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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} |
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