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Excel导入导出支持多图片

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This commit is contained in:
RuoYi 2025-04-25 10:09:21 +08:00
parent 87173cbe75
commit 27a037ed3d
2 changed files with 42 additions and 33 deletions
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12
ruoyi-common/src/main/java/com/ruoyi/common/utils/StringUtils.java
View File

@ -381,6 +381,18 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
return new HashSet<String>(str2List(str, sep, true, false));
}
/**
* 字符串转list
*
* @param str 字符串
* @param sep 分隔符
* @return list集合
*/
public static final List<String> str2List(String str, String sep)
{
return str2List(str, sep, true, false);
}
/**
* 字符串转list
*

63
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
View File

@ -95,6 +95,8 @@ public class ExcelUtil<T>
{
private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
public static final String SEPARATOR = ",";
public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
@ -360,7 +362,7 @@ public class ExcelUtil<T>
throw new IOException("文件sheet不存在");
}
boolean isXSSFWorkbook = !(wb instanceof HSSFWorkbook);
Map<String, PictureData> pictures;
Map<String, List<PictureData>> pictures = null;
if (isXSSFWorkbook)
{
pictures = getSheetPictures07((XSSFSheet) sheet, (XSSFWorkbook) wb);
@ -504,16 +506,15 @@ public class ExcelUtil<T>
}
else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures))
{
PictureData image = pictures.get(row.getRowNum() + "_" + entry.getKey());
if (image == null)
StringBuilder propertyString = new StringBuilder();
List<PictureData> images = pictures.get(row.getRowNum() + "_" + entry.getKey());
for (PictureData picture : images)
{
val = "";
}
else
{
byte[] data = image.getData();
val = FileUtils.writeImportBytes(data);
byte[] data = picture.getData();
String fileName = FileUtils.writeImportBytes(data);
propertyString.append(fileName).append(SEPARATOR);
}
val = StringUtils.stripEnd(propertyString.toString(), SEPARATOR);
}
ReflectUtils.invokeSetter(entity, propertyName, val);
}
@ -1037,12 +1038,15 @@ public class ExcelUtil<T>
else if (ColumnType.IMAGE == attr.cellType())
{
ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1);
String imagePath = Convert.toStr(value);
if (StringUtils.isNotEmpty(imagePath))
String propertyValue = Convert.toStr(value);
if (StringUtils.isNotEmpty(propertyValue))
{
byte[] data = ImageUtils.getImage(imagePath);
getDrawingPatriarch(cell.getSheet()).createPicture(anchor,
cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));
List<String> imagePaths = StringUtils.str2List(propertyValue, SEPARATOR);
for (String imagePath : imagePaths)
{
byte[] data = ImageUtils.getImage(imagePath);
getDrawingPatriarch(cell.getSheet()).createPicture(anchor, cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));
}
}
}
}
@ -1287,7 +1291,7 @@ public class ExcelUtil<T>
public static String convertByExp(String propertyValue, String converterExp, String separator)
{
StringBuilder propertyString = new StringBuilder();
String[] convertSource = converterExp.split(",");
String[] convertSource = converterExp.split(SEPARATOR);
for (String item : convertSource)
{
String[] itemArray = item.split("=");
@ -1324,7 +1328,7 @@ public class ExcelUtil<T>
public static String reverseByExp(String propertyValue, String converterExp, String separator)
{
StringBuilder propertyString = new StringBuilder();
String[] convertSource = converterExp.split(",");
String[] convertSource = converterExp.split(SEPARATOR);
for (String item : convertSource)
{
String[] itemArray = item.split("=");
@ -1750,30 +1754,24 @@ public class ExcelUtil<T>
* @param workbook 工作簿对象
* @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
*/
public static Map<String, PictureData> getSheetPictures03(HSSFSheet sheet, HSSFWorkbook workbook)
public static Map<String, List<PictureData>> getSheetPictures03(HSSFSheet sheet, HSSFWorkbook workbook)
{
Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
Map<String, List<PictureData>> sheetIndexPicMap = new HashMap<>();
List<HSSFPictureData> pictures = workbook.getAllPictures();
if (!pictures.isEmpty())
if (!pictures.isEmpty() && sheet.getDrawingPatriarch() != null)
{
for (HSSFShape shape : sheet.getDrawingPatriarch().getChildren())
{
HSSFClientAnchor anchor = (HSSFClientAnchor) shape.getAnchor();
if (shape instanceof HSSFPicture)
{
HSSFPicture pic = (HSSFPicture) shape;
int pictureIndex = pic.getPictureIndex() - 1;
HSSFPictureData picData = pictures.get(pictureIndex);
HSSFClientAnchor anchor = (HSSFClientAnchor) pic.getAnchor();
String picIndex = anchor.getRow1() + "_" + anchor.getCol1();
sheetIndexPicMap.put(picIndex, picData);
sheetIndexPicMap.computeIfAbsent(picIndex, k -> new ArrayList<>()).add(pic.getPictureData());
}
}
return sheetIndexPicMap;
}
else
{
return sheetIndexPicMap;
}
return sheetIndexPicMap;
}
/**
@ -1783,16 +1781,15 @@ public class ExcelUtil<T>
* @param workbook 工作簿对象
* @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
*/
public static Map<String, PictureData> getSheetPictures07(XSSFSheet sheet, XSSFWorkbook workbook)
public static Map<String, List<PictureData>> getSheetPictures07(XSSFSheet sheet, XSSFWorkbook workbook)
{
Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
Map<String, List<PictureData>> sheetIndexPicMap = new HashMap<>();
for (POIXMLDocumentPart dr : sheet.getRelations())
{
if (dr instanceof XSSFDrawing)
{
XSSFDrawing drawing = (XSSFDrawing) dr;
List<XSSFShape> shapes = drawing.getShapes();
for (XSSFShape shape : shapes)
for (XSSFShape shape : drawing.getShapes())
{
if (shape instanceof XSSFPicture)
{
@ -1800,7 +1797,7 @@ public class ExcelUtil<T>
XSSFClientAnchor anchor = pic.getPreferredSize();
CTMarker ctMarker = anchor.getFrom();
String picIndex = ctMarker.getRow() + "_" + ctMarker.getCol();
sheetIndexPicMap.put(picIndex, pic.getPictureData());
sheetIndexPicMap.computeIfAbsent(picIndex, k -> new ArrayList<>()).add(pic.getPictureData());
}
}
}