From 9b1b0782ecb77d6ee958774da94606478482b063 Mon Sep 17 00:00:00 2001
From: fei <791364011@qq.com>
Date: 星期二, 20 一月 2026 22:41:32 +0800
Subject: [PATCH] 增加了签名和注解接口
---
archiveManager/src/main/java/com/ruoyi/service/impl/BarcodeService.java | 172 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 166 insertions(+), 6 deletions(-)
diff --git a/archiveManager/src/main/java/com/ruoyi/service/impl/BarcodeService.java b/archiveManager/src/main/java/com/ruoyi/service/impl/BarcodeService.java
index 86f8bf1..9ee3c57 100644
--- a/archiveManager/src/main/java/com/ruoyi/service/impl/BarcodeService.java
+++ b/archiveManager/src/main/java/com/ruoyi/service/impl/BarcodeService.java
@@ -23,20 +23,180 @@
@Service
public class BarcodeService {
- public byte[] generateBarcodeImage(String barcodeText) {
+ /**
+ * 娣诲姞鏂囧瓧鍒版潯鐮侊紙浼樺寲鐗堟湰锛�
+ */
+ private void addTextToBarcode(Graphics2D g2d, String text, int width, int barcodeHeight) {
+ g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+ g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+ g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
+
+ // 浣跨敤鏇存竻鏅扮殑瀛椾綋
+ Font font = new Font("Tahoma", Font.PLAIN, 45);
+ g2d.setFont(font);
+ g2d.setColor(Color.BLACK);
+
+ // 璁＄畻鏂囧瓧浣嶇疆
+ FontMetrics fm = g2d.getFontMetrics();
+ int textWidth = fm.stringWidth(text);
+ int textHeight = fm.getHeight();
+
+ // 灞呬腑瀵归綈
+ int x = (width - textWidth) / 2;
+ int y = barcodeHeight + textHeight - fm.getDescent(); // 绮剧‘鍨傜洿灞呬腑
+
+ // 缁樺埗鏂囧瓧
+ g2d.drawString(text, x, y);
+ }
+ public byte[] generateBarcodeImage(String barcodeText) {
+ try {
+ BarcodeFormat format = BarcodeFormat.CODE_39;
+ Code39Writer writer = new Code39Writer();
+
+ // 缂栫爜鍙傛暟 - 璁剧疆杈硅窛涓�0
+ Map<EncodeHintType, Object> hints = new HashMap<>();
+ hints.put(EncodeHintType.MARGIN, 0); // 鍏抽敭锛氳缃竟璺濅负0
+
+ // 鐢熸垚 BitMatrix锛堢函鏉＄爜锛屾棤鏂囧瓧锛�
+ // 娉ㄦ剰锛氬嵆浣胯缃簡MARGIN=0锛孼Xing鍙兘浠嶄細淇濈暀鏈�灏忚竟璺�
+ BitMatrix matrix = writer.encode(barcodeText, format, 1300, 141, hints);
+
+ // 鏂规1.1锛氱洿鎺ヨ鍓櫧杈�
+ return generateBarcodeWithCroppedMargin(matrix, barcodeText);
+ }
+ catch (IOException e) {
+ throw new RuntimeException("Error generating barcode", e);
+ } catch (WriterException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ private byte[] generateBarcodeWithCroppedMargin(BitMatrix matrix, String barcodeText) throws IOException {
+ int width = matrix.getWidth();
+ int height = matrix.getHeight();
+
+ // 鎵惧埌鏉＄爜鐨勫疄闄呰竟鐣�
+ int left = findLeftBoundary(matrix);
+ int right = findRightBoundary(matrix);
+ int top = findTopBoundary(matrix);
+ int bottom = findBottomBoundary(matrix);
+
+ // 璁＄畻鏉＄爜鐨勫疄闄呭搴﹀拰楂樺害
+ int barcodeWidth = right - left + 1;
+ int barcodeHeight = bottom - top + 1;
+
+ // 璁＄畻鏂囧瓧鍖哄煙楂樺害
+ int textAreaHeight = 30 + 27;
+
+ // 鍒涘缓鏈�缁堝浘鍍忥紙绮剧‘灏哄锛�
+ BufferedImage finalImage = new BufferedImage(
+ barcodeWidth,
+ barcodeHeight + textAreaHeight,
+ BufferedImage.TYPE_BYTE_BINARY
+ );
+
+ Graphics2D g2d = finalImage.createGraphics();
+
+ // 鐧借壊鑳屾櫙
+ g2d.setColor(Color.WHITE);
+ g2d.fillRect(0, 0, barcodeWidth, barcodeHeight + textAreaHeight);
+
+ // 缁樺埗鏉＄爜锛堝彧缁樺埗鏈夋晥閮ㄥ垎锛�
+ g2d.setColor(Color.BLACK);
+ for (int x = left; x <= right; x++) {
+ for (int y = top; y <= bottom; y++) {
+ if (matrix.get(x, y)) {
+ g2d.fillRect(x - left, y - top, 1, 1);
+ }
+ }
+ }
+
+ // 娣诲姞鑷畾涔夋枃瀛�
+ addTextToBarcode(g2d, barcodeText, barcodeWidth, barcodeHeight);
+
+ g2d.dispose();
+
+ // 淇濆瓨
+ ByteArrayOutputStream resultStream = new ByteArrayOutputStream();
+ ImageIO.write(finalImage, "png", resultStream);
+
+ return resultStream.toByteArray();
+ }
+
+ // 杈呭姪鏂规硶锛氭壘鍒版潯鐮佺殑杈圭晫
+ private int findLeftBoundary(BitMatrix matrix) {
+ int width = matrix.getWidth();
+ int height = matrix.getHeight();
+
+ for (int x = 0; x < width; x++) {
+ for (int y = 0; y < height; y++) {
+ if (matrix.get(x, y)) {
+ return x;
+ }
+ }
+ }
+ return 0;
+ }
+
+ private int findRightBoundary(BitMatrix matrix) {
+ int width = matrix.getWidth();
+ int height = matrix.getHeight();
+
+ for (int x = width - 1; x >= 0; x--) {
+ for (int y = 0; y < height; y++) {
+ if (matrix.get(x, y)) {
+ return x;
+ }
+ }
+ }
+ return width - 1;
+ }
+
+ private int findTopBoundary(BitMatrix matrix) {
+ int width = matrix.getWidth();
+ int height = matrix.getHeight();
+
+ for (int y = 0; y < height; y++) {
+ for (int x = 0; x < width; x++) {
+ if (matrix.get(x, y)) {
+ return y;
+ }
+ }
+ }
+ return 0;
+ }
+
+ private int findBottomBoundary(BitMatrix matrix) {
+ int width = matrix.getWidth();
+ int height = matrix.getHeight();
+
+ for (int y = height - 1; y >= 0; y--) {
+ for (int x = 0; x < width; x++) {
+ if (matrix.get(x, y)) {
+ return y;
+ }
+ }
+ }
+ return height - 1;
+ }
+
+
+
+
+ public byte[] generateBarcodeImage1(String barcodeText) {
try {
// 浣跨敤 BitMatrix 鐢熸垚绾潯鐮侊紝涓嶅寘鍚换浣曟枃瀛�
- BarcodeFormat format = BarcodeFormat.CODE_128; // 鏍规嵁鎮ㄧ殑鏉＄爜绫诲瀷
+ BarcodeFormat format = BarcodeFormat.CODE_39; // 鏍规嵁鎮ㄧ殑鏉＄爜绫诲瀷
// 鍒涘缓缂栫爜鍣�
- Code128Writer writer = new Code128Writer();
+ Code39Writer writer = new Code39Writer();
// 缂栫爜鍙傛暟
Map<EncodeHintType, Object> hints = new HashMap<>();
hints.put(EncodeHintType.MARGIN, 0); // 鏃犺竟妗�
// 鐢熸垚 BitMatrix锛堢函鏉＄爜锛屾棤鏂囧瓧锛�
- BitMatrix matrix = writer.encode(barcodeText, format, 0, 63, hints);
+ BitMatrix matrix = writer.encode(barcodeText, format, 1128, 199, hints);
int width = matrix.getWidth();
int height = matrix.getHeight();
@@ -73,7 +233,7 @@
g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
- Font font = new Font("Tahoma", Font.PLAIN, 20);
+ Font font = new Font("Tahoma", Font.PLAIN, 18);
g2d.setFont(font);
FontMetrics fm = g2d.getFontMetrics();
@@ -150,7 +310,7 @@
g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
- Font font = new Font("Tahoma", Font.PLAIN, 20);
+ Font font = new Font("Tahoma", Font.PLAIN, 18);
g2d.setFont(font);
FontMetrics fm = g2d.getFontMetrics();
--
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