From ac4d1a5962441156ff22a0c87f4eacc083daa9a6 Mon Sep 17 00:00:00 2001
From: cuilei <ray_tsu1@163.com>
Date: 星期五, 20 六月 2025 11:32:43 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'
---
lxzn-module-tms/src/main/java/org/jeecg/modules/tms/utils/QrCodePrinterUtils.java | 130 ++++++++++++++++++++++++------------------
1 files changed, 74 insertions(+), 56 deletions(-)
diff --git a/lxzn-module-tms/src/main/java/org/jeecg/modules/tms/utils/QrCodePrinterUtils.java b/lxzn-module-tms/src/main/java/org/jeecg/modules/tms/utils/QrCodePrinterUtils.java
index bde5895..2c92a36 100644
--- a/lxzn-module-tms/src/main/java/org/jeecg/modules/tms/utils/QrCodePrinterUtils.java
+++ b/lxzn-module-tms/src/main/java/org/jeecg/modules/tms/utils/QrCodePrinterUtils.java
@@ -1,74 +1,92 @@
package org.jeecg.modules.tms.utils;
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.MultiFormatWriter;
+import com.google.zxing.client.j2se.MatrixToImageWriter;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.QRCodeWriter;
+import liquibase.pro.packaged.S;
+import lombok.extern.slf4j.Slf4j;
+import org.jeecg.common.api.vo.Result;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
import javax.print.*;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import java.awt.print.*;
import java.awt.image.BufferedImage;
-import java.awt.*;
+import java.io.ByteArrayOutputStream;
+import java.io.OutputStream;
+import java.util.*;
-public class QrCodePrinterUtils implements Printable {
+@RestController
+@RequestMapping("/tms/qyCode")
+@Slf4j
+public class QrCodePrinterUtils{
- private final BufferedImage image;
+ @GetMapping("/generate")
+ public Result<Map<String, String>> generateQrCode() throws Exception {
+ String content = "Q201204330002-0001";
+ // 鐢熸垚浜岀淮鐮佸浘鐗囷紙Base64锛�
+ ByteArrayOutputStream os = new ByteArrayOutputStream();
+ generateQRCodeImage(content, 200, 200, os);
+ String base64Img = "data:image/png;base64," + Base64.getEncoder().encodeToString(os.toByteArray());
- public QrCodePrinterUtils(BufferedImage image) {
- this.image = image;
+ // 杩斿洖缁撴灉
+ Map<String, String> result = new HashMap<>();
+ result.put("image", base64Img);
+ result.put("content", content);
+ return Result.OK(result);
}
- /**
- * 鎵撳嵃浜岀淮鐮�
- */
- public void print() {
- PrinterJob job = PrinterJob.getPrinterJob();
- job.setPrintable(this);
-
- // 寮瑰嚭鎵撳嵃瀵硅瘽妗嗭紙鍙�夛級
- if (job.printDialog()) {
- try {
- job.print();
- } catch (PrinterException e) {
- System.err.println("鎵撳嵃澶辫触: " + e.getMessage());
- }
- }
+ public static void generateQRCodeImage(String text, int width, int height, OutputStream os) throws Exception {
+ QRCodeWriter qrCodeWriter = new QRCodeWriter();
+ BitMatrix bitMatrix = qrCodeWriter.encode(text, BarcodeFormat.QR_CODE, width, height);
+ MatrixToImageWriter.writeToStream(bitMatrix, "PNG", os);
}
- /**
- * 瀹炵幇 Printable 鎺ュ彛鐨勬墦鍗版柟娉�
- */
- @Override
- public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) {
- if (pageIndex > 0) {
- return NO_SUCH_PAGE;
- }
-
- Graphics2D g2d = (Graphics2D) graphics;
- g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
-
- // 璁＄畻灞呬腑鍧愭爣
- double pageWidth = pageFormat.getImageableWidth();
- double pageHeight = pageFormat.getImageableHeight();
- double imgWidth = image.getWidth();
- double imgHeight = image.getHeight();
-
- double scale = Math.min(pageWidth / imgWidth, pageHeight / imgHeight);
- g2d.scale(scale, scale);
- g2d.drawImage(image, 0, 0, null);
-
- return PAGE_EXISTS;
- }
-
- /**
- * 浣跨敤榛樿鎵撳嵃鏈烘墦鍗帮紝涓嶅脊瀵硅瘽妗�
- */
- public static void noDialogPrint(){
- BufferedImage qrImage = QrCodeUtils.generateQrCode("Silent Print", 300, 300);
- QrCodePrinterUtils printer = new QrCodePrinterUtils(qrImage);
- PrinterJob job = PrinterJob.getPrinterJob();
- job.setPrintable(printer);
+ public static String generateBacthQRCode(String content, int width, int height) {
try {
- job.print();
- } catch (PrinterException e) {
- e.printStackTrace();
+ Map<EncodeHintType, Object> hints = new HashMap<>();
+ hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
+ hints.put(EncodeHintType.MARGIN, 1);
+
+ BitMatrix matrix = new MultiFormatWriter().encode(
+ content,
+ BarcodeFormat.QR_CODE,
+ width,
+ height,
+ hints
+ );
+
+ ByteArrayOutputStream os = new ByteArrayOutputStream();
+ MatrixToImageWriter.writeToStream(matrix, "PNG", os);
+
+ return "data:image/png;base64," +
+ Base64.getEncoder().encodeToString(os.toByteArray());
+ } catch (Exception e) {
+ throw new RuntimeException("鐢熸垚浜岀淮鐮佸け璐�", e);
}
}
+
+ @GetMapping("/batchGenerate")
+ public Result<List<Map<String,String>>> generateBatchQrCode(){
+ List<Map<String,String>> results = new ArrayList<>();
+ List<String> contentList = new ArrayList<>();
+ contentList.add("Q201204330002-0001");
+ contentList.add("Q201204330002-0002");
+ contentList.add("Q201204330002-0003");
+ for(String content : contentList){
+ Map<String,String> result = new HashMap<>();
+ result.put("content",content);
+ result.put("image",generateBacthQRCode(content, 200, 200));
+ // 鐢熸垚浜岀淮鐮佸浘鐗囷紙Base64锛�
+ results.add(result);
+ }
+ return Result.OK(results);
+ }
}
--
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