From 3003bb0f50cc56c33eb1b19d88689f73955c4be3 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Fri, 13 Aug 2021 10:56:35 +0800
Subject: [PATCH] =?UTF-8?q?Excel=E6=B3=A8=E8=A7=A3=E5=9B=BE=E7=89=87?=
 =?UTF-8?q?=E5=AF=BC=E5=85=A5=E5=85=BC=E5=AE=B9xls?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/ruoyi/common/utils/poi/ExcelUtil.java | 62 ++++++++++++++++---
 1 file changed, 53 insertions(+), 9 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index ccc7b20..3d95f31 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -19,6 +19,12 @@ import java.util.Set;
 import java.util.UUID;
 import java.util.stream.Collectors;
 import javax.servlet.http.HttpServletResponse;
+import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
+import org.apache.poi.hssf.usermodel.HSSFPicture;
+import org.apache.poi.hssf.usermodel.HSSFPictureData;
+import org.apache.poi.hssf.usermodel.HSSFShape;
+import org.apache.poi.hssf.usermodel.HSSFSheet;
+import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.poi.ooxml.POIXMLDocumentPart;
 import org.apache.poi.ss.usermodel.BorderStyle;
 import org.apache.poi.ss.usermodel.Cell;
@@ -185,7 +191,16 @@ public class ExcelUtil<T>
         {
             throw new IOException("文件sheet不存在");
         }
-        Map<String, PictureData> pictures = getSheetPictrues((XSSFSheet) sheet, (XSSFWorkbook) wb);
+        boolean isXSSFWorkbook = !(wb instanceof HSSFWorkbook);
+        Map<String, PictureData> pictures;
+        if (isXSSFWorkbook)
+        {
+            pictures = getSheetPictrues07((XSSFSheet) sheet, (XSSFWorkbook) wb);
+        }
+        else
+        {
+            pictures = getSheetPictrues03((HSSFSheet) sheet, (HSSFWorkbook) wb);
+        }
         // 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1
         int rows = sheet.getLastRowNum();
 
@@ -318,12 +333,8 @@ public class ExcelUtil<T>
                         {
                             val = reverseDictByExp(Convert.toStr(val), attr.dictType(), attr.separator());
                         }
-                        else if (ColumnType.IMAGE == attr.cellType())
+                        else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures))
                         {
-                            if (StringUtils.isNull(pictures))
-                            {
-                                val = "";
-                            }
                             PictureData image = pictures.get(row.getRowNum() + "_" + entry.getKey());
                             if (image == null)
                             {
@@ -1179,13 +1190,46 @@ public class ExcelUtil<T>
     }
 
     /**
-     * 获取Excel图片
+     * 获取Excel2003图片
      *
      * @param sheet 当前sheet对象
      * @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> getSheetPictrues(XSSFSheet sheet, XSSFWorkbook workbook)
+    public static Map<String, PictureData> getSheetPictrues03(HSSFSheet sheet, HSSFWorkbook workbook)
+    {
+        Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
+        List<HSSFPictureData> pictures = workbook.getAllPictures();
+        if (!pictures.isEmpty())
+        {
+            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);
+                    String picIndex = String.valueOf(anchor.getRow1()) + "_" + String.valueOf(anchor.getCol1());
+                    sheetIndexPicMap.put(picIndex, picData);
+                }
+            }
+            return sheetIndexPicMap;
+        }
+        else
+        {
+            return sheetIndexPicMap;
+        }
+    }
+
+    /**
+     * 获取Excel2007图片
+     *
+     * @param sheet 当前sheet对象
+     * @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> getSheetPictrues07(XSSFSheet sheet, XSSFWorkbook workbook)
     {
         Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
         for (POIXMLDocumentPart dr : sheet.getRelations())
@@ -1209,4 +1253,4 @@ public class ExcelUtil<T>
         }
         return sheetIndexPicMap;
     }
-}
\ No newline at end of file
+}