后管-在线excel

1、上传excel因隐藏列导致列丢失处理

blade-service/blade-manager/src/main/java/org/springblade/manager/utils/ExcelInfoUtils.java

@@ -1,5 +1,8 @@
 package org.springblade.manager.utils;
 
+import com.aspose.cells.Column;
+import com.aspose.cells.ColumnCollection;
+import com.aspose.cells.SaveFormat;
 import com.spire.xls.CellRange;
 import com.spire.xls.FileFormat;
 import com.spire.xls.Workbook;
@@ -18,9 +21,8 @@ import org.springblade.core.tool.utils.IoUtil;
 import org.springblade.core.tool.utils.ResourceUtil;
 import org.springblade.manager.vo.DateFormat;
 
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.InputStream;
+import java.awt.*;
+import java.io.*;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -37,7 +39,7 @@ public class ExcelInfoUtils {
 
             // 解析原始excel
             Workbook wb = new Workbook();
-            wb.loadFromMHtml(inputStream);
+            wb.loadFromMHtml(getInputStreamByUrl(inputStream));
             Worksheet sheet = wb.getWorksheets().get(0);
             HTMLOptions options = new HTMLOptions();
             options.setImageEmbedded(true);
@@ -207,6 +209,34 @@ public class ExcelInfoUtils {
             e.printStackTrace();
         }
     }
+
+
+    /**
+     * 解析excel 对隐藏的列设置初始列宽
+     * @param inputStream
+     * @return
+     * @throws Exception
+     */
+    public static InputStream getInputStreamByUrl(InputStream inputStream) throws Exception {
+        com.aspose.cells.Workbook workbook = new com.aspose.cells.Workbook(inputStream);
+        com.aspose.cells.Worksheet worksheet = workbook.getWorksheets().get(0);
+        // 获取工作表中所有列
+        ColumnCollection columns = worksheet.getCells().getColumns();
+        // 遍历所有列
+        for (int i = 0; i < columns.getCount(); i++) {
+            Column column = columns.get(i);
+            // 如果列是隐藏的（列宽为0）
+            if (column.isHidden()) {
+                // 解除隐藏并设置一个最小列宽（例如0.1）
+                column.setHidden(false);
+                column.setWidth(0.1);
+            }
+        }
+        // 将工作簿保存到ByteArrayOutputStream，然后转换为ByteArrayInputStream
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        workbook.save(outputStream, SaveFormat.XLSX);
+        return new ByteArrayInputStream(outputStream.toByteArray());
+    }
     /**
      * 在线编辑excel 操作
      *