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
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		| @@ -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()); | ||||
|         } | ||||
|   | ||||
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