From 5de5db24efe1b25896c37f395124a207584bcb38 Mon Sep 17 00:00:00 2001
From: fei <791364011@qq.com>
Date: 星期四, 01 一月 2026 21:25:54 +0800
Subject: [PATCH] 修改了对应代码
---
archiveManager/src/main/java/com/ruoyi/service/impl/pdfGenerateService.java | 47 +++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 43 insertions(+), 4 deletions(-)
diff --git a/archiveManager/src/main/java/com/ruoyi/service/impl/pdfGenerateService.java b/archiveManager/src/main/java/com/ruoyi/service/impl/pdfGenerateService.java
index 41e1fe2..46f710a 100644
--- a/archiveManager/src/main/java/com/ruoyi/service/impl/pdfGenerateService.java
+++ b/archiveManager/src/main/java/com/ruoyi/service/impl/pdfGenerateService.java
@@ -43,23 +43,62 @@
@Autowired
private IArchiveRecordsService iArchiveRecordsService;
+ private static BufferedImage trimWhiteBorder(BufferedImage img) {
+ int width = img.getWidth();
+ int height = img.getHeight();
+
+ int minX = width, minY = height, maxX = 0, maxY = 0;
+
+ // 鏌ユ壘闈炵櫧鑹插儚绱犵殑杈圭晫
+ for (int y = 0; y < height; y++) {
+ for (int x = 0; x < width; x++) {
+ int rgb = img.getRGB(x, y);
+ // 濡傛灉涓嶆槸鐧借壊
+ if ((rgb & 0x00FFFFFF) != 0x00FFFFFF) {
+ if (x < minX) minX = x;
+ if (x > maxX) maxX = x;
+ if (y < minY) minY = y;
+ if (y > maxY) maxY = y;
+ }
+ }
+ }
+
+ // 濡傛灉鍏ㄦ槸鐧借壊锛岃繑鍥炲師鍥�
+ if (minX > maxX || minY > maxY) {
+ return img;
+ }
+
+ // 瑁佸壀
+ int newWidth = maxX - minX + 1;
+ int newHeight = maxY - minY + 1;
+
+ // 娣诲姞1鍍忕礌瀹夊叏杈硅窛锛堝彲閫夛級
+ minX = Math.max(0, minX - 1);
+ minY = Math.max(0, minY - 1);
+ newWidth = Math.min(width - minX, newWidth + 2);
+ newHeight = Math.min(height - minY, newHeight + 2);
+
+ return img.getSubimage(minX, minY, newWidth, newHeight);
+ }
//鐢熶骇浜岀淮鐮�
public byte[] createQrCodeN(String content, int width, int height) throws IOException {
QrConfig config = new QrConfig(width, height);
- config.setMargin(0);
+ config.setMargin(2);
// 楂樼籂閿欑骇鍒�
config.setErrorCorrection(ErrorCorrectionLevel.H);
// 璁剧疆鍓嶆櫙鑹诧紝鏃簩缁寸爜棰滆壊锛堣嚜琛岄�夋嫨棰滆壊淇敼锛�
- config.setForeColor(new Color(11, 11, 11).getRGB());
-// 璁剧疆鑳屾櫙鑹诧紙鐏拌壊锛夐渶瑕佽儗鏅壊鏃跺�欐墦寮�閾炬帴
- config.setBackColor(new Color(242,242,242).getRGB());
+ config.setForeColor(java.awt.Color.BLACK);
+ config.setBackColor(java.awt.Color.WHITE);
BufferedImage bufferedImage = QrCodeUtil.generate(//
content, //浜岀淮鐮佸唴瀹�
config
);
+
+ // 姝ラ2锛氭墜鍔ㄨ鍓櫧杈�
+ bufferedImage = trimWhiteBorder(bufferedImage);
System.out.println(bufferedImage);
System.out.println("---02340230949394");
ByteArrayOutputStream os = new ByteArrayOutputStream();
--
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