知情同意书合并打印

blood_bus/src/main/java/com/czblood/bus/constants/BloodPrintTypeConstants.java

@@ -8,4 +8,12 @@ public class BloodPrintTypeConstants {
      * 输血前评估单
      */
     public static final String ASSESS_BEFORE = "ASSESS_BEFORE";
+    /**
+     * 知情同意书1
+     */
+    public static final String INFORMED_CONSENT_1 = "INFORMED_CONSENT_1";
+    /**
+     * 知情同意书2
+     */
+    public static final String INFORMED_CONSENT_2 = "INFORMED_CONSENT_2";
 }

blood_bus/src/main/java/com/czblood/bus/utils/ReportUtil.java

@@ -7,14 +7,18 @@ import com.czblood.common.core.domain.Result;
 import com.czblood.common.utils.file.FileUtils;
 import com.czblood.common.utils.file.ImageUtils;
 import com.czblood.common.utils.ip.IpUtils;
+import com.lowagie.text.Document;
+import com.lowagie.text.pdf.PdfCopy;
+import com.lowagie.text.pdf.PdfReader;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
 import javax.sql.DataSource;
-import java.io.File;
+import java.io.*;
 import java.sql.Connection;
+import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
@@ -71,4 +75,75 @@ public class ReportUtil {
         }
         return httpPath;
     }
+
+
+    /**
+     * 合并多个Base64编码的PDF为一个PDF文件
+     * @param base64PdfList 包含多个PDF的Base64字符串列表
+     * @param outputFilePath 合并后PDF的输出路径（如：D:/merged.pdf）
+     * @throws Exception 处理过程中的异常
+     */
+    public static void mergeToFile(List<String> base64PdfList, String outputFilePath) throws Exception {
+        // 1. 合并所有PDF字节流为一个字节数组
+        byte[] mergedBytes = mergeBase64Pdfs(base64PdfList);
+
+        // 2. 将合并后的字节数组写入文件
+        try (FileOutputStream fos = new FileOutputStream(outputFilePath)) {
+            fos.write(mergedBytes);
+        }
+        log.info("PDF合并完成，输出路径：{}", outputFilePath);
+    }
+
+
+    /**
+     * 合并多个Base64编码的PDF为字节数组
+     *
+     * @param base64PdfList Base64字符串列表
+     * @return 合并后的PDF字节数组
+     * @throws Exception 处理异常
+     */
+    private static byte[] mergeBase64Pdfs(List<String> base64PdfList) throws Exception {
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        Document document = null;
+        PdfCopy pdfCopy = null;
+
+        try {
+            for (int i = 0; i < base64PdfList.size(); i++) {
+                // 解码Base64为PDF字节数组
+                String base64Str = base64PdfList.get(i);
+                byte[] pdfBytes = Base64.decode(base64Str); // 使用Hutool解码
+                InputStream inputStream = new ByteArrayInputStream(pdfBytes);
+
+                // 读取PDF文件
+                PdfReader reader = new PdfReader(inputStream);
+
+                // 初始化文档（仅第一次循环时）
+                if (i == 0) {
+                    document = new Document(reader.getPageSizeWithRotation(1));
+                    pdfCopy = new PdfCopy(document, outputStream);
+                    document.open();
+                }
+
+                // 合并所有页面
+                for (int pageNum = 1; pageNum <= reader.getNumberOfPages(); pageNum++) {
+                    pdfCopy.addPage(pdfCopy.getImportedPage(reader, pageNum));
+                }
+
+                // 释放资源
+                pdfCopy.freeReader(reader);
+                reader.close();
+                inputStream.close();
+            }
+        } finally {
+            // 关闭文档和输出流
+            if (document != null) {
+                document.close();
+            }
+            if (outputStream != null) {
+                outputStream.close();
+            }
+        }
+
+        return outputStream.toByteArray();
+    }
 }

blood_bus_doctor/src/main/java/com/czblood/busDoctor/controller/TransfuseApplyBeforeController.java

@@ -56,9 +56,9 @@ public class TransfuseApplyBeforeController {
         return transfuseApplyBeforeService.delete(billNo);
     }
 
-    @ApiOperation("打印输血前评估单")
+    @ApiOperation("打印单据")
     @GetMapping("/print")
-    public Result print(String billNo){
+    public Result print(String billNo,String templateName){
-        return transfuseApplyBeforeService.print(billNo);
+        return transfuseApplyBeforeService.print(billNo,templateName);
     }
 }

blood_bus_doctor/src/main/java/com/czblood/busDoctor/service/TransfuseApplyBeforeService.java

@@ -15,5 +15,5 @@ public interface TransfuseApplyBeforeService {
 
     Result delete(String billNo);
 
-    Result print(String billNo);
+    Result print(String billNo,String templateName);
 }

blood_bus_doctor/src/main/java/com/czblood/busDoctor/service/impl/TransfuseApplyBeforeServiceImpl.java

@@ -1,5 +1,6 @@
 package com.czblood.busDoctor.service.impl;
 
+import cn.hutool.core.codec.Base64;
 import cn.hutool.json.JSONArray;
 import cn.hutool.json.JSONUtil;
 import com.czblood.bus.constants.BloodPrintTypeConstants;
@@ -16,15 +17,21 @@ import com.czblood.bus.utils.ReportUtil;
 import com.czblood.busDoctor.pojo.TransfuseApplyBeforeDTO;
 import com.czblood.busDoctor.service.TransfuseApplyBeforeService;
 import com.czblood.busDoctor.utils.TransfuseApplyBeforeUtil;
+import com.czblood.common.config.RuoYiConfig;
 import com.czblood.common.core.domain.Result;
+import com.czblood.common.utils.file.FileUtils;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import javax.annotation.Resource;
+import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.UUID;
 
 @Service
+@Slf4j
 public class TransfuseApplyBeforeServiceImpl implements TransfuseApplyBeforeService {
 
     @Resource
@@ -129,11 +136,40 @@ public class TransfuseApplyBeforeServiceImpl implements TransfuseApplyBeforeServ
     }
 
     @Override
-    public Result print(String billNo) {
+    public Result print(String billNo,String templateName) {
-        //打印输血前评估单
         ReportParam reportParam = new ReportParam();
         reportParam.setBillNo(billNo);
+        switch (templateName){
+            case "ASSESS_BEFORE":  //打印输血前评估单
                 return reportUtil.printToPdf(BloodPrintTypeConstants.ASSESS_BEFORE, reportParam, true);
+            case "INFORMED_CONSENT":  //打印知情同意书
+                //有两页，分了两个模版，分别生成pdf之后合并再发给前端
+                String pdfName = UUID.randomUUID().toString();
+                String path = RuoYiConfig.getProfile() +"/static/printPDF/"+pdfName+".pdf";
+                List<String> mergeBgdhList = new ArrayList<>();
+                Result result = reportUtil.printToPdf(BloodPrintTypeConstants.INFORMED_CONSENT_1, reportParam, true);
+                if(!result.getCode().equals("0")) return result;
+                mergeBgdhList.add(BloodBankUtil.isBank(result.getData()));
+                Result result1 = reportUtil.printToPdf(BloodPrintTypeConstants.INFORMED_CONSENT_2, reportParam, true);
+                if(!result1.getCode().equals("0")) return result1;
+                mergeBgdhList.add(BloodBankUtil.isBank(result1.getData()));
+                try {
+                    ReportUtil.mergeToFile(mergeBgdhList, path);
+                    //转成base64字符串
+                    File file = new File(path);
+                    String encode = Base64.encode(file);
+                    //删除pdf文件
+                    FileUtils.deleteFile(path);
+                    return new Result("0","打印成功！",encode);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                    log.error("合并pdf:{}报告失败：{}",mergeBgdhList,e);
+                    return new Result("-1",e.getMessage());
+                }
+
+        }
+        return new Result("-1","没有找到对应的打印模版！");
+
     }
 
     public Result canModify(String billNo){