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@ -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;
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@ -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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public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
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/**
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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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}
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