From ff8914dab90da51dc8d46010f4f658780d5dba0e Mon Sep 17 00:00:00 2001
From: zjh <1084500556@qq.com>
Date: 星期一, 14 四月 2025 17:27:43 +0800
Subject: [PATCH] zjh20250414
---
ltkj-common/src/main/java/com/ltkj/common/utils/PDFDocumentUtil.java | 31 +++++++++++++++++++++++++++++--
1 files changed, 29 insertions(+), 2 deletions(-)
diff --git a/ltkj-common/src/main/java/com/ltkj/common/utils/PDFDocumentUtil.java b/ltkj-common/src/main/java/com/ltkj/common/utils/PDFDocumentUtil.java
index ee3d5a4..1f09a33 100644
--- a/ltkj-common/src/main/java/com/ltkj/common/utils/PDFDocumentUtil.java
+++ b/ltkj-common/src/main/java/com/ltkj/common/utils/PDFDocumentUtil.java
@@ -7,9 +7,11 @@
import com.google.zxing.common.BitMatrix;
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.*;
+import org.apache.commons.codec.binary.Base64;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.HashMap;
@@ -93,7 +95,7 @@
map.put(EncodeHintType.CHARACTER_SET,"utf-8");
BitMatrix encode = null;
try {
- encode = new MultiFormatWriter().encode(tjNumber, BarcodeFormat.CODE_128, 300, 100, map);
+ encode = new MultiFormatWriter().encode(tjNumber, BarcodeFormat.CODE_128, 500, 100, map);
} catch (WriterException e) {
e.printStackTrace();
}
@@ -241,7 +243,7 @@
* @throws DocumentException
* @throws IOException
*/
- public static void makeTjInfo(Document document,List<Map<String ,String>> data) throws DocumentException, IOException {
+ public static void makeTjInfo(Document document,List<Map<String ,Object>> data) throws DocumentException, IOException {
PdfPTable table1 = new PdfPTable(7);
table1.setWidthPercentage(100);
float[] columnWidths = {1.5f, 3, 3, 6, 1.5f, 3, 3};
@@ -294,4 +296,29 @@
document.close();
return (ByteArrayOutputStream) map.get("stream");
}
+
+ /**
+ * 灏嗗涓猙ase64pdf鍚堝苟涓轰竴涓�
+ * @param base64PdfList pdf闆嗗悎
+ * @return
+ */
+ public static byte[] mergePDFs(List<String > base64PdfList) throws DocumentException, IOException {
+ ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+ Document document = new Document();
+ PdfCopy copy = new PdfCopy(document, byteArrayOutputStream);
+ document.open();
+ for (String base64Pdf : base64PdfList) {
+ byte[] pdfBytes = Base64.decodeBase64(base64Pdf);
+ PdfReader reader = new PdfReader(new ByteArrayInputStream(pdfBytes));
+ int numberOfPages = reader.getNumberOfPages();
+ for (int i = 1; i <= numberOfPages; i++) {
+ document.newPage();
+ PdfImportedPage page = copy.getImportedPage(reader, i);
+ copy.addPage(page);
+ }
+ reader.close();
+ }
+ document.close();
+ return byteArrayOutputStream.toByteArray();
+ }
}
--
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