更新代码：

解决临时生成pdf大小不一问题
————2021/03/17 wzq

src/main/java/com/emr/controller/inHospitalController.java

@@ -54,6 +54,9 @@ public class inHospitalController {
     @Autowired
     private Emr_PictureService emrPictureService;
 
+    @Autowired
+    private Zd_AssortService zd_assortService;
+
     @Resource
     private LogService logService;
 
@@ -209,6 +212,56 @@ public class inHospitalController {
         return result;
     }
 
+    //2021-03-15更新优化
+    private String GeneratePDFFileByAssortID(String masterId, String assortID, String realPath  )
+    {
+        List pdfList = new ArrayList();
+        Archive_Detail archiveDetail = new Archive_Detail();
+        archiveDetail.setFlag("0");
+        archiveDetail.setMasterid(masterId.trim());
+        archiveDetail.setTitle(assortID);
+
+        List<Archive_Detail> arList = archiveDetailService.selectByCol(archiveDetail);
+
+        List<Archive_Detail> errorPdfList = new ArrayList<>();
+        int size = 0;
+        if (arList == null || arList.size()==0) {
+            return "";
+        }
+            for (int m = 0; m < arList.size(); m++) {
+                String str = arList.get(m).getPdfPath();
+                if (str != "" && str != null) {
+                    if (str.indexOf("..\\static\\img\\pdfFiles\\") != -1) {
+                        str = str.split("pdfFiles")[1];
+                        str = realPath + "pdfFiles" + str;
+                    }
+                    if (!PrintToPdfUtil.checkPdfFile(str)) {
+                        arList.get(m).setPdfPath(str);
+                        errorPdfList.add(arList.get(m));
+                    } else {
+                        pdfList.add(str);
+                    }
+                }
+            }
+
+        String pdfFileName = String.valueOf(System.currentTimeMillis());
+        String pdfPath  = autoPdfUrl.trim() + "/" + pdfFileName + ".pdf";
+
+        if (pdfList.size() > 0) {
+            //对所有地址的pdf进行合成
+            //if (errorPdfList.size() != size) {
+            PrintToPdfUtil.mergePdfFiles(pdfList, pdfPath);
+            //} else {
+            // result = "";
+            // }
+            if (errorPdfList.size() > 0) {
+                ExportTxtPaper.exportTxtPaper(pdfErrorUrl, "不存在或损坏PDF文件列表" + pdfFileName + ".txt", errorPdfList);
+            }
+        }
+        return pdfPath;
+    }
+
+
 
     /**
      * 根据病案号或类别或图片id获取图片列表，并生成PDF并返回pdf文件名
@@ -234,14 +287,20 @@ public class inHospitalController {
         String pdfFileName = String.valueOf(System.currentTimeMillis());
 
         //病案号文件夹
-        if (masterId != "" && masterId != null) {
+        if (masterId == "" && masterId == null) {
+            result = "";
+            return result;
+        }
+
         //判断文件夹是否存在
         File fileDic = new File(realPath + masterId + "\\");
         if (!fileDic.exists() && !fileDic.isDirectory()) {
             fileDic.mkdirs();
         }
 
+        List<Zd_Assort> zds = zd_assortService.selectByColm(new Zd_Assort()); //from db
 
+        //from args
         //病案号/类别/id文件夹(图片路径下的子文件夹名称)
         //生成pdf(图片路径，pdf生成路径，图片路径文件夹列表)
         List imgList = new ArrayList();
@@ -254,60 +313,92 @@ public class inHospitalController {
             }
         }
 
-//            if(imgList.size()==1){
-//                result= masterId.trim() + "/"+ imgList.get(0) +"/"+ imgList.get(0)+".pdf";
-//            }else{
-            String pdfPath = autoPdfUrl.trim() + "/" + pdfFileName + ".pdf";
-            String imgPath = realPath + "pdfFiles\\" + masterId.trim() + "\\";
-            //获取废除的pdf文件名列表archive_detail
-            List pdfList = new ArrayList();
-            Archive_Detail archiveDetail = new Archive_Detail();
-            archiveDetail.setFlag("0");
-            archiveDetail.setMasterid(masterId.trim());
-            archiveDetail.setTitle(imgStr);
-            List<Archive_Detail> arList = archiveDetailService.selectByCol(archiveDetail);
-            //损坏PDF文件列表
-            List<Archive_Detail> errorPdfList = new ArrayList<Archive_Detail>();
-            int size = 0;
-            if (arList != null) {
-                for (int m = 0; m < arList.size(); m++) {
-                    String str = arList.get(m).getPdfPath();
-                    if (str != "" && str != null) {
-                        if (str.indexOf("..\\static\\img\\pdfFiles\\") != -1) {
-                            str = str.split("pdfFiles")[1];
-                            str = realPath + "pdfFiles" + str;
-                        }
-                        if (!PrintToPdfUtil.checkPdfFile(str)) {
-                            arList.get(m).setPdfPath(str);
-                            errorPdfList.add(arList.get(m));
-                        } else {
-                            pdfList.add(str);
+        for (int i = zds.size()-1; i >=0 ; i--) {
+            String a = zds.get(i).getAssortId();
+            if(imgList.indexOf(a)==-1)
+            {
+                zds.remove(i);
             }
+
         }
-                    // str= str.substring(str.lastIndexOf("\\") + 1);
 
+        ArrayList<String> fileList = new ArrayList<>();
+
+        for (int i = 0; i < zds.size(); i++) {
+            String asordID = zds.get(i).getAssortId();
+            String pdfA = GeneratePDFFileByAssortID(masterId, asordID, realPath);
+            if(pdfA=="" || pdfA.length()==0)
+            {
+                continue;
             }
+            fileList.add(pdfA);
         }
-            if (pdfList.size() > 0) {
-                //对所有地址的pdf进行合成
-                //if (errorPdfList.size() != size) {
-                    PrintToPdfUtil.mergePdfFiles(pdfList, pdfPath);
-                    result = pdfPath;
-                //} else {
-                   // result = "";
-               // }
-                if (errorPdfList.size() > 0) {
-                    ExportTxtPaper.exportTxtPaper(pdfErrorUrl, "不存在或损坏PDF文件列表" + pdfFileName + ".txt", errorPdfList);
-                }
+        if(fileList.size()==0)
+        {
+            return "";
         }
+
+        String pdfPath  = autoPdfUrl.trim() + "/" + String.valueOf(System.currentTimeMillis()) + ".pdf";
+
+        PrintToPdfUtil.mergePdfFiles(fileList, pdfPath);
+        return pdfPath;
+
+//            if(imgList.size()==1){
+//                result= masterId.trim() + "/"+ imgList.get(0) +"/"+ imgList.get(0)+".pdf";
+//            }else{
+//        String pdfPath = autoPdfUrl.trim() + "/" + pdfFileName + ".pdf";
+//        String imgPath = realPath + "pdfFiles\\" + masterId.trim() + "\\";
+//        //获取废除的pdf文件名列表archive_detail
+//        List pdfList = new ArrayList();
+//        Archive_Detail archiveDetail = new Archive_Detail();
+//        archiveDetail.setFlag("0");
+//        archiveDetail.setMasterid(masterId.trim());
+//        archiveDetail.setTitle(imgStr);
+//
+//        List<Archive_Detail> arList = archiveDetailService.selectByCol(archiveDetail);
+//        //损坏PDF文件列表
+//        List<Archive_Detail> errorPdfList = new ArrayList<Archive_Detail>();
+//        int size = 0;
+//        if (arList == null || arList.size()==0) {
+//        }
+//        else {
+//            for (int m = 0; m < arList.size(); m++) {
+//                String str = arList.get(m).getPdfPath();
+//                if (str != "" && str != null) {
+//                    if (str.indexOf("..\\static\\img\\pdfFiles\\") != -1) {
+//                        str = str.split("pdfFiles")[1];
+//                        str = realPath + "pdfFiles" + str;
+//                    }
+//                    if (!PrintToPdfUtil.checkPdfFile(str)) {
+//                        arList.get(m).setPdfPath(str);
+//                        errorPdfList.add(arList.get(m));
+//                    } else {
+//                        pdfList.add(str);
+//                    }
+//                }
+//                // str= str.substring(str.lastIndexOf("\\") + 1);
+//
+//            }
+//        }
+//
+//        if (pdfList.size() > 0) {
+//            //对所有地址的pdf进行合成
+//            //if (errorPdfList.size() != size) {
+//            PrintToPdfUtil.mergePdfFiles(pdfList, pdfPath);
+//            result = pdfPath;
+//            //} else {
+//            // result = "";
+//            // }
+//            if (errorPdfList.size() > 0) {
+//                ExportTxtPaper.exportTxtPaper(pdfErrorUrl, "不存在或损坏PDF文件列表" + pdfFileName + ".txt", errorPdfList);
+//            }
+//        }
         //PrintToPdfUtil.pdtToPdf(imgPath,pdfPath, imgList,pdfList);
         //PDFUtils.getPdf(pdfPath, pdfList);
         //result = "typesPdf/" + pdfFileName + ".pdf";
 //            }
-        } else {
-            result = "";
-        }
-        return result;
+
+//        return result;
     }
 
     /**

src/main/java/com/emr/util/PrintToPdfUtil.java

@@ -8,11 +8,9 @@ package com.emr.util;
 
 import com.lowagie.text.Document;
 import com.lowagie.text.Image;
+import com.lowagie.text.PageSize;
 import com.lowagie.text.Rectangle;
-import com.lowagie.text.pdf.PdfCopy;
-import com.lowagie.text.pdf.PdfImportedPage;
-import com.lowagie.text.pdf.PdfReader;
-import com.lowagie.text.pdf.PdfWriter;
+import com.lowagie.text.pdf.*;
 import org.apache.commons.io.FileUtils;
 import org.apache.pdfbox.io.MemoryUsageSetting;
 import org.apache.pdfbox.multipdf.PDFMergerUtility;
@@ -196,6 +194,7 @@ public class PrintToPdfUtil {
 //            FileOutputStream fos = new FileOutputStream(pdfPath);
 //            // 创建文档
              Document doc = new Document(null, 0, 0, 0, 0);
+
 //            //doc.open();
 //            // 写入PDF文档
 //            PdfWriter.getInstance(doc, fos);
@@ -334,10 +333,31 @@ public class PrintToPdfUtil {
 //            // 定义一页，大小A4
 //            PDPage page = new PDPage(PDRectangle.A4);
 //            document2.addPage(page);
+//            document = new Document(new PdfReader(files.get(0).toString()).getPageSize(1));
+            document = new Document(PageSize.A4);
+            PdfWriter pdfWriter = PdfWriter.getInstance(document, new FileOutputStream(newfile));
+            document.open();
+            PdfContentByte cb = pdfWriter.getDirectContent();
+            for (int i = 0; i < files.size(); i++) {
+                String file = files.get(i).toString();
+                PdfReader pdfReader = new PdfReader(file);
 
-            document = new Document(new PdfReader(files.get(0).toString()).getPageSize(1));
+                // 循环PDF的每一页 pdfWriter.getImportedPage(pdfReader, index) idnex从1开始
+                for (int j = 1; j <= pdfReader.getNumberOfPages(); j++) {
+                    // 新增一页，不然多页的PDF会重合到一页
+                    document.newPage();
+                    PdfImportedPage page = pdfWriter.getImportedPage(pdfReader, j);
+                    // 计算缩小比例 以最大缩小比例为主
+                    // pdfReader.getPageSize(index) index是从1开始不是0
+                    float w = PageSize.A4.getWidth() / pdfReader.getPageSize(1).getWidth();
+                    float h = PageSize.A4.getHeight() / pdfReader.getPageSize(1).getHeight();
+                    float Scale = w > h ? h : w;
+                    cb.addTemplate(page, Scale, 0, 0, Scale, 0, 0);
+                }
+            }
+            document.close();
 
-            PdfCopy copy = new PdfCopy(document, new FileOutputStream(newfile));
+            /*PdfCopy copy = new PdfCopy(document, new FileOutputStream(newfile));
             document.open();
             for (int i = 0; i < files.size(); i++) {
                 boolean bol = checkPdfFile(files.get(i).toString());
@@ -353,7 +373,7 @@ public class PrintToPdfUtil {
                 }else{
 
                 }
-            }
+            }*/
             retValue = true;
         } catch (Exception e) {
             e.printStackTrace();