2024-07-31 pdf模版空指针bug修复

win-admin/src/main/java/com/win/web/controller/print/WinPrintServerControler.java

@@ -269,8 +269,6 @@ public class WinPrintServerControler extends BaseController {
         } catch (IOException e) {
             e.printStackTrace();
             log.error("printOneByOne-error", e.toString());
-        } catch (NoSuchFieldException e) {
-            throw new RuntimeException(e);
         }
     }
 
@@ -330,8 +328,6 @@ public class WinPrintServerControler extends BaseController {
                     tempFile.delete();
                 } catch (IOException e) {
                     throw new RuntimeException(e);
-                } catch (NoSuchFieldException e) {
-                    throw new RuntimeException(e);
                 }
             });
             pdfMerger.close();

win-print/src/main/java/com/win/print/util/PdfModelUitl.java

@@ -2,6 +2,7 @@ package com.win.print.util;
 
 import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.img.ImgUtil;
+import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.util.ObjectUtil;
 import com.alibaba.fastjson.JSONObject;
 import com.itextpdf.forms.PdfAcroForm;
@@ -62,7 +63,7 @@ public class PdfModelUitl {
      * 待填充的PDF模板文档
      */
 
-    public void  pdfMdelFromRender(List<WinPrintModelParams> paramsList,File tempFile, JSONObject data, String modelName, String templatePath) throws IOException, NoSuchFieldException {
+    public void  pdfMdelFromRender(List<WinPrintModelParams> paramsList,File tempFile, JSONObject data, String modelName, String templatePath) throws IOException {
         PdfReader reader = new PdfReader(templatePath+"/"+modelName);
         PdfWriter writer = new PdfWriter(tempFile);
         PdfDocument pdf = new PdfDocument(reader, writer);
@@ -72,11 +73,14 @@ public class PdfModelUitl {
             if (ObjectUtil.isNotEmpty(data)) {
                 paramsList.forEach(item -> {
                     PdfFormField field = form.getField(item.getParamCode());
+                    String value = Optional.ofNullable(data.getString(item.getParamCode())).orElse("");
                     if(null!=field) {
+                        Rectangle rtl = field.getWidgets().get(0).getRectangle().toRectangle(); // 获取表单域的xy坐标
                         field.setFont(defaultFont());
                         field.setFontSize(12);
                         if ("QRIMG".equals(item.getParamType())) {
                             //渲染Qr图片
+                            if(!value.isEmpty() && !value.isBlank()) {
                                 try {
                                     JSONObject jsonObject = JSONObject.parseObject(Optional.ofNullable(item.getParamDesc()).orElse("{\"width\":\"172\",\"height\":\"172\",\"type\":\"png\"}"));
                                     int width = 172;
@@ -87,35 +91,39 @@ public class PdfModelUitl {
                                         height = Integer.valueOf(Optional.ofNullable(jsonObject.getString("height")).orElse("172"));
                                         type = Optional.ofNullable(jsonObject.getString("type")).orElse("png");
                                     }
-                                BufferedImage bufferedImage = qrCodeService.generateQRCode(Optional.ofNullable(data.getString(item.getParamCode())).orElse(""), width, height);
+                                    BufferedImage bufferedImage = qrCodeService.generateQRCode(value, width, height);
-                                //byte[] pngs = qrCodeService.getImgBuffer("jpeg", bufferedImage);
-                                //com.itextpdf.layout.element.Image image=new com.itextpdf.layout.element.Image(ImageDataFactory.create(pngs));
-                                Rectangle rtl = field.getWidgets().get(0).getRectangle().toRectangle(); // 获取表单域的xy坐标
                                     com.itextpdf.layout.element.Image image = getImage(field, bufferedImage, rtl);
                                     image.setFixedPosition(rtl.getX(), rtl.getY(), rtl.getWidth()); // 设置图片固定位置
-                                //image.setRelativePosition(rtl.getLeft(),rtl.getTop(), rtl.getRight(),rtl.getBottom());
                                     document.add(image);
-
                                 } catch (IOException e) {
                                     field.setValue("无图片");
                                 }
-
+                            }
                         } else if ("IMG".equals(item.getParamType())) {
-                            //渲染普通图片
+                            //渲染普通图片,需要根据des属性获取图片的来源
-                            //PdfPage annotationPage = findAnnotationPage(item.getParamCode(),pdf);
+                            Optional<String> paramDesc = Optional.ofNullable(item.getParamDesc());
-                            //byte[] pngs = ImageIO.read("")
+                            String imagePath = DataUnitl.getSysemDir();
-                            //doFillFieldImage(annotationPage,field,pngs);
+                            if(paramDesc.isPresent()){
+                                if(FileUtil.exist(paramDesc.get())){
+                                    imagePath=paramDesc.get();
+                                }else if(FileUtil.exist(imagePath+"/"+paramDesc.get())) {
+                                    imagePath=imagePath+"/"+paramDesc.get();
                                 }else{
-                            String s = Optional.ofNullable(data.getString(item.getParamCode())).orElse("");
+                                    imagePath="";
-                            field.setValue(s);
                                 }
                             }
-                });
+                            byte[] imageBytes =  ImageUtils.getImage(imagePath);
+                            if(null!=imageBytes){
+                                    com.itextpdf.layout.element.Image image = new com.itextpdf.layout.element.Image(ImageDataFactory.create(imageBytes));
+                                    image.setFixedPosition(rtl.getX(), rtl.getY(), rtl.getWidth()); // 设置图片固定位置
+                                    document.add(image);
+                            }
                         } else {
-                throw new NoSuchFieldException("没有任何可渲染的数据内容！");
+                            field.setValue(value);
+                        }
+                    }
+                });
             }
-        } else {  //如果没有配置任何模版参数抛出异常
-            throw new NoSuchFieldException("没找到模版的参数配置信息！");
         }
         // 设置表单为只读（可选）
         form.flattenFields();