2024-07-31 pdf模版空指针bug修复

win-print/src/main/java/com/win/print/service/QRCodeService.java

@@ -27,7 +27,7 @@ public class QRCodeService {
             // 设置错误纠正级别为L，表示较低的纠错能力。
             hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
             // 设置边距为2，即二维码边缘与内容之间的距离为2个像素。
-            hints.put(EncodeHintType.MARGIN, 0);
+            hints.put(EncodeHintType.MARGIN, 1);
             // 设置字符集为UTF-8，表示二维码支持UTF-8编码的字符。
             hints.put(EncodeHintType.CHARACTER_SET, "UTF-8");
 

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

@@ -77,22 +77,25 @@ public class PdfModelUitl {
                     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(Optional.ofNullable(field.getFontSize()).isEmpty()){
+                            field.setFontSize(16);
+                        }
                         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;
-                                    int height = 172;
-                                    String type = "png";
-                                    if (null != jsonObject) {
-                                        width = Integer.valueOf(Optional.ofNullable(jsonObject.getString("width")).orElse("172"));
-                                        height = Integer.valueOf(Optional.ofNullable(jsonObject.getString("height")).orElse("172"));
-                                        type = Optional.ofNullable(jsonObject.getString("type")).orElse("png");
-                                    }
-                                    BufferedImage bufferedImage = qrCodeService.generateQRCode(value, width, height);
-                                    com.itextpdf.layout.element.Image image = getImage(field, bufferedImage, rtl);
+//                                    JSONObject jsonObject = JSONObject.parseObject(Optional.ofNullable(item.getParamDesc()).orElse("{\"width\":\"172\",\"height\":\"172\",\"type\":\"png\"}"));
+//                                    int width = 172;
+//                                    int height = 172;
+//                                    String type = "png";
+//                                    if (null != jsonObject) {
+//                                        width = Integer.valueOf(Optional.ofNullable(jsonObject.getString("width")).orElse("172"));
+//                                        height = Integer.valueOf(Optional.ofNullable(jsonObject.getString("height")).orElse("172"));
+//                                        type = Optional.ofNullable(jsonObject.getString("type")).orElse("png");
+//                                    }
+                                    BufferedImage bufferedImage = qrCodeService.generateQRCode(value, (int)rtl.getWidth(), (int)rtl.getHeight());
+                                    byte[] imgBytes = qrCodeService.getImgBuffer("png", bufferedImage);
+                                    com.itextpdf.layout.element.Image image =new com.itextpdf.layout.element.Image(ImageDataFactory.create(imgBytes));//getImage(field, bufferedImage, rtl);
                                     image.setFixedPosition(rtl.getX(), rtl.getY(), rtl.getWidth()); // 设置图片固定位置
                                     document.add(image);
                                 } catch (IOException e) {
@@ -201,19 +204,20 @@ public class PdfModelUitl {
         }
     }
     ///*pdf 模版图片压缩处理*/
-    private com.itextpdf.layout.element.Image getImage(PdfFormField formField, BufferedImage bufferedImage,Rectangle rtl) throws IOException {
-        byte[] imgBytes = qrCodeService.getImgBuffer("jpeg", bufferedImage);
+    private com.itextpdf.layout.element.Image getImage( BufferedImage bufferedImage,Rectangle rtl) throws IOException {
+        byte[] imgBytes = qrCodeService.getImgBuffer("png", bufferedImage);
         if (Float.compare(bufferedImage.getWidth(), rtl.getWidth()) <= 0 && Float.compare(bufferedImage.getHeight(), rtl.getHeight()) <= 0) {// 不处理
             return new com.itextpdf.layout.element.Image(ImageDataFactory.create(imgBytes));
         } else {
             // 压缩图片。计算得到图片放缩的最大比例
-            float scale = Math.max(bufferedImage.getWidth() / rtl.getWidth(), bufferedImage.getHeight() / rtl.getHeight());
+            float scale = Math.min(rtl.getWidth()/bufferedImage.getWidth()  ,  rtl.getHeight() / bufferedImage.getHeight() );
             // 压缩图片
             Image scale1 = ImgUtil.scale(ImgUtil.toImage(imgBytes), scale);
             return new com.itextpdf.layout.element.Image(ImageDataFactory.create(ImgUtil.toBytes(scale1, ImgUtil.IMAGE_TYPE_PNG)));
         }
 
     }
+
     /**
      * 根据表单域关键字查找当前关键字所在页对象（PdfPage）
      *

win-print/src/main/resources/templates/print/modelmanager/add.html

@@ -44,11 +44,11 @@
                     </div>
                 </div>
             </div>
-            <div class="col-xs-12">
+            <div class="col-xs-12" style="display: none">
                 <div class="form-group">
                     <label class="col-sm-3 control-label is-required">文件名称：</label>
                     <div class="col-sm-8">
-                        <input name="mFilename" id="mFilename" iclass="form-control" type="text" required>
+                        <input name="mFilename" id="mFilename" iclass="form-control" type="text" required >
                     </div>
                 </div>
             </div>

win-print/src/main/resources/templates/print/modelmanager/edit.html

@@ -48,7 +48,7 @@
                 <div class="form-group">
                     <label class="col-sm-3 control-label is-required">文件名称：</label>
                     <div class="col-sm-8">
-                        <input name="mFilename" th:field="*{mFilename}" class="form-control" type="text" required>
+                        <input name="mFilename" th:field="*{mFilename}" class="form-control" type="text" required readonly>
                     </div>
                 </div>
             </div>