修改国标病历导出图片比例问题

src/main/java/com/emr/service/batchExport/BatchExportServiceImpl.java

@@ -88,34 +88,15 @@ public class BatchExportServiceImpl implements BatchExportService {
     }
 
 
-
     public static Boolean imageToPdf(List<ExportDetailsVo> scanPathVos, String fileName, String exportPdfPath) {
-        Document document = new Document(PageSize.A4, 0, 0, 0, 0); //创建文档容器
+        ByteArrayOutputStream bos = null;
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        FileOutputStream fileOutputStream = null;
-        PdfWriter writer;
+        PdfWriter writer = null;
         try {
-            FileOutputStream fileOutputStream = new FileOutputStream(exportPdfPath+fileName+".pdf");
+            bos = new ByteArrayOutputStream();
+            Document document = new Document(PageSize.A4, 0, 0, 0, 0); //创建文档容器
+            fileOutputStream = new FileOutputStream(exportPdfPath + fileName + ".pdf");
             writer = PdfWriter.getInstance(document, fileOutputStream);//创建编写器（PDF类型）
-            imgToPdf(document, writer, scanPathVos);
-        } catch (Exception e) {
-            ExceptionPrintUtil.printException(e);
-            e.printStackTrace();
-            return false;
-        } finally {
-            try {
-                bos.flush();
-                bos.close();
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-            document.close();
-        }
-        return true;
-    }
-
-
-
-    public static void imgToPdf(Document document, PdfWriter writer, List<ExportDetailsVo> scanPathVos) throws Exception {
             //上一个目录名称
             String lastOutline = null;
             //是否增加标签
@@ -124,6 +105,7 @@ public class BatchExportServiceImpl implements BatchExportService {
             Integer outNum = 1;
             // 添加目录
             document.open(); //打开容器
+            float w, h;
             PdfContentByte cb = writer.getDirectContent();
             cb.setFontAndSize(BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED), 12);
             cb.beginText();
@@ -147,13 +129,15 @@ public class BatchExportServiceImpl implements BatchExportService {
                 }
                 String imagePath = scanPathVos.get(i).getFilePath();
                 Image image = Image.getInstance(imagePath);
-
+                /*处理图片缩放比例*/
-            image.setAlignment(Image.MIDDLE);
+                w = image.getWidth();
-            image.scaleToFit(PageSize.A4.getWidth(), PageSize.A4.getHeight());
+                h = image.getHeight();
-            // 等比例缩放图片以填满PDF页面
+                image.setAlignment(com.lowagie.text.Image.ALIGN_CENTER);
-            image.scaleAbsolute(document.getPageSize());
+                image.scaleAbsolute(PageSize.A4.getWidth(), PageSize.A4.getWidth() * (h / w));
                 // 创建新页面并添加图片
-            //document.newPage();
+                if (i != 0) {
+                    document.newPage();
+                }
                 document.add(image);
                 if (outFlag) {
                     //目录跳转页面内容设置。
@@ -165,6 +149,35 @@ public class BatchExportServiceImpl implements BatchExportService {
                 }
             }
             document.close(); //关闭容器
+        } catch (Exception e) {
+            ExceptionPrintUtil.printException(e);
+            e.printStackTrace();
+            return false;
+        } finally {
+            try {
+                if (writer != null) {
+                    writer.close();
+                }
+
+                if (fileOutputStream != null) {
+                    fileOutputStream.close();
+                }
+
+                if (bos != null) {
+                    bos.flush();
+                    bos.close();
+                }
+
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+        return true;
+    }
+
+
+    public static void imgToPdf(Document document, PdfWriter writer, List<ExportDetailsVo> scanPathVos) throws Exception {
+
     }