diff --git a/blood_bus/src/main/java/com/czblood/bus/constants/BloodPrintTypeConstants.java b/blood_bus/src/main/java/com/czblood/bus/constants/BloodPrintTypeConstants.java index 1640e6a..750787d 100644 --- a/blood_bus/src/main/java/com/czblood/bus/constants/BloodPrintTypeConstants.java +++ b/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"; } diff --git a/blood_bus/src/main/java/com/czblood/bus/utils/ReportUtil.java b/blood_bus/src/main/java/com/czblood/bus/utils/ReportUtil.java index 75b432e..7b54741 100644 --- a/blood_bus/src/main/java/com/czblood/bus/utils/ReportUtil.java +++ b/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 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 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(); + } } diff --git a/blood_bus_doctor/src/main/java/com/czblood/busDoctor/controller/TransfuseApplyBeforeController.java b/blood_bus_doctor/src/main/java/com/czblood/busDoctor/controller/TransfuseApplyBeforeController.java index 0f00b0c..2e20fb9 100644 --- a/blood_bus_doctor/src/main/java/com/czblood/busDoctor/controller/TransfuseApplyBeforeController.java +++ b/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){ - return transfuseApplyBeforeService.print(billNo); + public Result print(String billNo,String templateName){ + return transfuseApplyBeforeService.print(billNo,templateName); } } diff --git a/blood_bus_doctor/src/main/java/com/czblood/busDoctor/service/TransfuseApplyBeforeService.java b/blood_bus_doctor/src/main/java/com/czblood/busDoctor/service/TransfuseApplyBeforeService.java index 856c87d..b9613b7 100644 --- a/blood_bus_doctor/src/main/java/com/czblood/busDoctor/service/TransfuseApplyBeforeService.java +++ b/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); } diff --git a/blood_bus_doctor/src/main/java/com/czblood/busDoctor/service/impl/TransfuseApplyBeforeServiceImpl.java b/blood_bus_doctor/src/main/java/com/czblood/busDoctor/service/impl/TransfuseApplyBeforeServiceImpl.java index 7446ce6..838d8af 100644 --- a/blood_bus_doctor/src/main/java/com/czblood/busDoctor/service/impl/TransfuseApplyBeforeServiceImpl.java +++ b/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) { - //打印输血前评估单 + public Result print(String billNo,String templateName) { ReportParam reportParam = new ReportParam(); reportParam.setBillNo(billNo); - return reportUtil.printToPdf(BloodPrintTypeConstants.ASSESS_BEFORE, reportParam, true); + 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 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){