From ac183aa4734e160e32897d1bf77e9f68c5e31bb3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=9F=B3=E5=A4=B4=E4=BA=BA?= <3076767823@qq.com>
Date: Tue, 25 Mar 2025 15:24:44 +0800
Subject: [PATCH] =?UTF-8?q?fix=EF=BC=9A=E4=BF=AE=E5=A4=8D=E5=9B=BE?=
 =?UTF-8?q?=E7=89=87=E5=A4=AA=E9=95=BF=E6=89=93=E5=8D=B0=E4=B8=8D=E5=87=BA?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98=EF=BC=8C=E9=9C=80=E8=A6=81=E9=85=8D=E7=BD=AE?=
 =?UTF-8?q?=E5=8F=B0=E5=BC=8F=E6=9C=BA=E7=9A=84GWI=5FReceipt=5Fform.form?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../service/impl/RegisterServiceImpl.java     | 75 +++++++++++++++----
 1 file changed, 61 insertions(+), 14 deletions(-)

diff --git a/src/main/java/com/dpkj/modules/print/service/impl/RegisterServiceImpl.java b/src/main/java/com/dpkj/modules/print/service/impl/RegisterServiceImpl.java
index 6f61c32..016cc86 100644
--- a/src/main/java/com/dpkj/modules/print/service/impl/RegisterServiceImpl.java
+++ b/src/main/java/com/dpkj/modules/print/service/impl/RegisterServiceImpl.java
@@ -15,7 +15,10 @@ import org.springframework.stereotype.Service;
 import org.thymeleaf.util.StringUtils;
 
 import javax.annotation.Resource;
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
 import java.io.File;
+import java.io.IOException;
 
 /**
  * 挂号服务打印
@@ -31,8 +34,14 @@ public class RegisterServiceImpl implements PrintService {
     @Resource
     private ThirdService thirdService;
 
+    private static final int MAX_HEIGHT = 1000;
+    private static final int FIXED_WIDTH = 690;
+
     @Override
     public LexMarkResultDTO<LexMarkResultDTO.Param> printImage(JSONObject data, String template, int width, int height, String saveDir) {
+        if ( width > 690 || height <= 0){
+            width = 690;
+        }
         // 获取模板
         String templateName = ReceiptTemplateEnum.getTemplateName(template);
 
@@ -45,34 +54,72 @@ public class RegisterServiceImpl implements PrintService {
             throw new RRException("模板渲染错误");
         }
 
+        String[] deletePathList = new String[(int) Math.ceil((double) height / MAX_HEIGHT) + 1];
+        deletePathList[0] = filePath.toString();
+        String[] filePathList = new String[(int) Math.ceil((double) height / MAX_HEIGHT)];
+        // 对图片进行分块处理，当前台式打印机最大参数配置 宽度690，高度1200
+        if ( height > 1200){
+            try {
+                // 读取输入图片
+                BufferedImage originalImage = ImageIO.read(new File(filePath.toString()));
+
+                // 计算切割的块数
+                int numPieces = (int) Math.ceil((double) height / MAX_HEIGHT);
+
+                // 循环切割图片并保存每一块
+                for (int i = 0; i < numPieces; i++) {
+                    int startY = i * MAX_HEIGHT;
+                    int pieceHeight = Math.min(MAX_HEIGHT, height - startY);
+
+                    // 创建一个新的 BufferedImage 对象，用于存储切割的部分
+                    BufferedImage piece = new BufferedImage(FIXED_WIDTH, pieceHeight, BufferedImage.TYPE_INT_RGB);
+                    piece.getGraphics().drawImage(originalImage, 0, 0, FIXED_WIDTH, pieceHeight, 0, startY, FIXED_WIDTH, startY + pieceHeight, null);
+
+                    // 保存切割的图片块
+                    File outputFile = new File(saveDir + "/output_" + (i + 1) + ".jpg");
+                    filePathList[i] = "LOGO" + (i + 1) + "=" + saveDir + "/output_" + (i + 1) + ".jpg";
+                    deletePathList[i + 1] = saveDir + "/output_" + (i + 1) + ".jpg";
+                    ImageIO.write(piece, "jpg", outputFile);
+                }
+
+            } catch (IOException e) {
+                log.error("");
+                e.printStackTrace();
+            }
+        }else {
+            filePathList[0] = "LOGO" + filePath.toString();
+        }
+
         LexMarkDTO lexMarkDTO = new LexMarkDTO();
         lexMarkDTO.setActionName("PrintForm");
         lexMarkDTO.setCallID(19256);
         lexMarkDTO.setDevName("ReceiptPrinter");
         JSONObject param = new JSONObject();
         param.put("TimeOut", 30000);
-        param.put("formName", "ReceiptForm");   // 表单名从
-        param.put("mediaName", "Blank");  // 媒介类型
+        param.put("formName", "GWIReceiptForm_example");   // 表单名从
+        param.put("mediaName", "GWIReceiptMedia_example");  // 媒介类型
         param.put("alignment", 0);  // 对齐方式
         param.put("offsetX", 0);  // x
         param.put("offsetY", 0);   // y
-        param.put("resolution", 8);  //
-        param.put("mediaCtrl", 1);
-        param.put("fields", "LOGO=" + filePath);
+        param.put("resolution", 1);  //  媒介类型，当前为：打印缓冲区 + 弹出 + 剪纸
+        param.put("mediaCtrl", 8);   // 1\2\4\6\8打印的清晰度
+        param.put("fields", StringUtils.join(filePathList, "&"));
         lexMarkDTO.setParam(param.toJSONString());
         LexMarkResultDTO<LexMarkResultDTO.Param> paramLexMarkResultDTO = thirdService.callDevice(lexMarkDTO, LexMarkResultDTO.Param.class);
 
-        File file = new File(filePath.toString());
-        // 检查文件是否存在
-        if (file.exists() ) {
-            // 尝试删除文件
-            if (file.delete()) {
-                log.info("文件删除成功: " + filePath);
+        for (String path : deletePathList) {
+            File file = new File(path);
+            // 检查文件是否存在
+            if (file.exists() ) {
+                // 尝试删除文件
+                if (file.delete()) {
+                    log.info("文件删除成功: " + path);
+                } else {
+                    log.info("文件删除失败: " + path);
+                }
             } else {
-                log.info("文件删除失败: " + filePath);
+                log.info("文件不存在: " + path);
             }
-        } else {
-            log.info("文件不存在: " + filePath);
         }
 
 //        this.thirdService.close("ReceiptPrinter");