From 79c4711f638585951c4fc4cdfd689736bebb7ddf Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期五, 25 四月 2025 10:08:50 +0800
Subject: [PATCH] Excel导入导出支持多图片
---
src/main/java/com/ruoyi/common/utils/StringUtils.java | 12 ++++++
src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 63 +++++++++++++++----------------
2 files changed, 42 insertions(+), 33 deletions(-)
diff --git a/src/main/java/com/ruoyi/common/utils/StringUtils.java b/src/main/java/com/ruoyi/common/utils/StringUtils.java
index 920968f..74eb532 100644
--- a/src/main/java/com/ruoyi/common/utils/StringUtils.java
+++ b/src/main/java/com/ruoyi/common/utils/StringUtils.java
@@ -386,6 +386,18 @@
*
* @param str 瀛楃涓�
* @param sep 鍒嗛殧绗�
+ * @return list闆嗗悎
+ */
+ public static final List<String> str2List(String str, String sep)
+ {
+ return str2List(str, sep, true, false);
+ }
+
+ /**
+ * 瀛楃涓茶浆list
+ *
+ * @param str 瀛楃涓�
+ * @param sep 鍒嗛殧绗�
* @param filterBlank 杩囨护绾┖鐧�
* @param trim 鍘绘帀棣栧熬绌虹櫧
* @return list闆嗗悎
diff --git a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 6ae9015..c6df2bc 100644
--- a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -95,6 +95,8 @@
{
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 @@
throw new IOException("鏂囦欢sheet涓嶅瓨鍦�");
}
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 @@
}
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 = "";
+ byte[] data = picture.getData();
+ String fileName = FileUtils.writeImportBytes(data);
+ propertyString.append(fileName).append(SEPARATOR);
}
- else
- {
- byte[] data = image.getData();
- val = FileUtils.writeImportBytes(data);
- }
+ val = StringUtils.stripEnd(propertyString.toString(), SEPARATOR);
}
ReflectUtils.invokeSetter(entity, propertyName, val);
}
@@ -1037,12 +1038,15 @@
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 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 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 @@
* @param workbook 宸ヤ綔绨垮璞�
* @return Map key:鍥剧墖鍗曞厓鏍肩储寮曪紙1_1锛塖tring锛寁alue:鍥剧墖娴丳ictureData
*/
- 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 @@
* @param workbook 宸ヤ綔绨垮璞�
* @return Map key:鍥剧墖鍗曞厓鏍肩储寮曪紙1_1锛塖tring锛寁alue:鍥剧墖娴丳ictureData
*/
- 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 @@
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());
}
}
}
--
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