加盟商资格面试代码字段修改及PDF转图片部分完成

coolstore-partner-common/pom.xml

@@ -98,6 +98,12 @@
             <artifactId>openpdf</artifactId>
             <version>1.3.30</version>
         </dependency>
+        <!-- PDFBox -->
+        <dependency>
+            <groupId>org.apache.pdfbox</groupId>
+            <artifactId>pdfbox</artifactId>
+            <version>2.0.27</version>
+        </dependency>
     </dependencies>
 
 </project>

coolstore-partner-common/src/main/java/com/cool/store/utils/PDFUtils.java

@@ -5,10 +5,13 @@ import com.lowagie.text.Font;
 import com.lowagie.text.Image;
 import com.lowagie.text.Paragraph;
 import com.lowagie.text.pdf.*;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.rendering.PDFRenderer;
 
+import javax.imageio.ImageIO;
 import java.awt.*;
-import java.io.IOException;
-import java.io.OutputStream;
+import java.awt.image.BufferedImage;
+import java.io.*;
 
 /**
  * 使用 OpenPDF 封装的 pdf 工具类
@@ -120,7 +123,42 @@ public class PDFUtils {
                 throw new RuntimeException(ex);
             }
         }
+    }
 
+    /**
+     * PDF 转图片
+     * @param inputStream pdf 输入流
+     * @param dpi
+     */
+    public static ByteArrayOutputStream pdf2Img(InputStream inputStream, float dpi) {
+        PDDocument document = null;
+        ByteArrayOutputStream outputStream = null;
+        try {
+            //　加载pdf文档
+            FileInputStream fileInputStream = new FileInputStream("passLetter.pdf");
+            document = PDDocument.load(fileInputStream);
+            //　PDF文档渲染对象
+            PDFRenderer renderer = new PDFRenderer(document);
+            int pageCount = document.getNumberOfPages();
+            for (int i = 0; i < pageCount; i++) {
+                /*
+                 * renderImage(i,1.9f)
+                 * i: 指定页对象下标,从0开始,0即第一页
+                 * 1.9f:DPI值(Dots Per Inch),官方描述比例因子，其中 1 = 72 DPI
+                 */
+                BufferedImage image = renderer.renderImage(i, dpi);
+                outputStream = new ByteArrayOutputStream();
+                FileOutputStream fileOutputStream = new FileOutputStream("pdf2img.png");
+                ImageIO.write(image, "PNG", outputStream);
+                byte[] byteArray = outputStream.toByteArray();
+                fileOutputStream.write(byteArray);
+                fileOutputStream.close();
+                return outputStream;
+            }
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+        return outputStream;
     }
 
 }

coolstore-partner-common/src/main/java/com/cool/store/utils/PassLetterUtils.java

@@ -6,6 +6,7 @@ import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.RandomUtil;
 import com.lowagie.text.Document;
 import com.lowagie.text.Image;
+import com.lowagie.text.pdf.BaseFont;
 import com.lowagie.text.pdf.PdfReader;
 import com.lowagie.text.pdf.PdfWriter;
 
@@ -49,7 +50,8 @@ public class PassLetterUtils {
             return outputStream;
         } catch (IOException e) {
             throw new RuntimeException(e);
-        } finally {
+        }
+        finally {
             try {
                 document.close();
                 outputStream.close();
@@ -73,8 +75,10 @@ public class PassLetterUtils {
         try {
             ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
             PdfReader pdfReader = new PdfReader(inputStream);
-            PDFUtils.putParagraphAbsolutely(pdfReader, outputStream, x, y, content, 20, new Color(255, 82,25));
-        } catch (IOException e) {
+            String fontFamillyPath = PassLetterUtils.class.getResource("/static/simsun.ttc").getPath();
+            BaseFont font = BaseFont.createFont(fontFamillyPath + ",0", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
+            PDFUtils.putParagraphAbsolutely(pdfReader, outputStream, x, y, content, font, 20, 1, new Color(255, 82,25));
+        } catch (Exception e) {
             throw new RuntimeException(e);
         }
     }