合并分支

common/pom.xml

@@ -23,7 +23,6 @@
             <version>1.2</version>
         </dependency>
         <dependency>
-
             <groupId>org.codehaus.jackson</groupId>
             <artifactId>jackson-xc</artifactId>
             <version>1.9.12</version>
@@ -33,6 +32,17 @@
             <artifactId>slf4j-api</artifactId>
             <version>1.7.25</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi</artifactId>
+            <version>4.1.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml</artifactId>
+            <version>4.1.2</version>
+        </dependency>
     </dependencies>
 
 </project>

common/src/main/java/com/qn/utils/ExcelUtils.java

@@ -0,0 +1,44 @@
+package com.qn.utils;
+import org.apache.poi.xssf.usermodel.XSSFCell;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+
+import java.io.*;
+
+public class ExcelUtils {
+    private static final String OSS_STR = "http://smartvenue.oss-cn-beijing.aliyuncs.com/health-docs/";
+    /**
+     *
+     * @param args
+     * @throws IOException
+     */
+    public static void main(String[] args) throws IOException {
+        FileInputStream fis = new FileInputStream("/Users/limqhz/home/123.xlsx");
+        XSSFWorkbook workBook = new XSSFWorkbook(fis);
+
+        // 进行模板的克隆(接下来的操作都是针对克隆后的sheet)
+        XSSFSheet sheet = workBook.getSheetAt(0);
+        int lastRowNum = sheet.getLastRowNum();
+        System.out.println("last row Num ===" + lastRowNum);
+        for (int i=1;i<=lastRowNum;i++){
+            System.out.println(i);
+            String s = UUIDGenerator.randomUUID();
+            XSSFCell c3 = sheet.getRow(i).getCell(3);
+            replaceCellValue(c3,OSS_STR + s + ".pdf");
+            XSSFCell c4 = sheet.getRow(i).getCell(4);
+            replaceCellValue(c4, s);
+        }
+        // 输出为一个新的Excel，也就是动态修改完之后的excel
+        String fileName = "output" + System.currentTimeMillis() + ".xlsx";
+        OutputStream out = new FileOutputStream("/Users/limqhz/home/" + fileName);
+        workBook.write(out);
+        fis.close();
+        out.flush();
+        out.close();
+    }
+
+    private static void replaceCellValue(XSSFCell cell, String value) {
+        cell.setCellValue(value);
+    }
+
+}

common/src/main/java/com/qn/utils/UUIDGenerator.java

@@ -37,5 +37,9 @@ public class UUIDGenerator {
 		return result;
 	}
 
+	public static void main(String[] args) {
+		System.out.println(UUIDGenerator.randomUUID());
+	}
+
 
 }

pom.xml

@@ -48,6 +48,12 @@
                 <version>1.18.20</version>
             </dependency>
 
+            <dependency>
+                <groupId>org.apache.pdfbox</groupId>
+                <artifactId>pdfbox</artifactId>
+                <version>2.0.20</version>
+            </dependency>
+
         </dependencies>
 
     </dependencyManagement>

web/pom.xml

@@ -46,6 +46,11 @@
             <scope>provided</scope>
         </dependency>
 
+        <dependency>
+            <groupId>org.apache.pdfbox</groupId>
+            <artifactId>pdfbox</artifactId>
+        </dependency>
+
     </dependencies>
 
 </project>

web/src/main/java/com/qn/controller/TestController.java

@@ -1,5 +1,6 @@
 package com.qn.controller;
 
+import org.apache.http.HttpResponse;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -8,6 +9,7 @@ import org.springframework.web.bind.annotation.RequestMethod;
 import javax.servlet.http.HttpServletResponse;
 import java.io.File;
 import java.io.IOException;
+import java.io.PrintWriter;
 
 @Controller
 public class TestController {
@@ -34,9 +36,10 @@ public class TestController {
     /**
      * 表白
      */
-    @RequestMapping(value = "/image", method = RequestMethod.GET)
+    @RequestMapping(value = "/pdf", method = RequestMethod.GET)
-    public void image() throws IOException {
+    public void image(HttpServletResponse response) throws IOException {
-        File file = new File("/home/type/job");
+        PrintWriter writer = response.getWriter();
+        writer.write("如需下载请先付款！");
     }
 
 }

web/src/main/java/com/qn/controller/utils/PDFUtils.java

@@ -0,0 +1,43 @@
+package com.qn.controller.utils;
+
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.rendering.PDFRenderer;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+public class PDFUtils {
+
+    private static final float DPI = 100;
+
+    private static final String IMG_TYPE = "PNG";
+
+    public static void pdfToImg(String filePath) throws IOException {
+        File file = new File(filePath);
+        if (file.exists()){
+            PDDocument document = PDDocument.load(file);
+            PDFRenderer renderer = new PDFRenderer(document);
+            int numberOfPages = document.getNumberOfPages();
+            for (int i = 0; i < numberOfPages; i++){
+                BufferedImage bufferedImage = renderer.renderImageWithDPI(i, DPI);
+                ByteArrayOutputStream out = new ByteArrayOutputStream();
+                ImageIO.write(bufferedImage, IMG_TYPE, out);
+                File imgFile = new File("/Users/limqhz/home/test/pdf/img/" + i + ".png");
+                FileOutputStream outputStream = new FileOutputStream(imgFile);
+                outputStream.write(out.toByteArray());
+                outputStream.close();
+                out.close();
+            }
+        }
+    }
+
+    public static void main(String[] args) throws IOException {
+        PDFUtils.pdfToImg("/Users/limqhz/Downloads/1.pdf");
+    }
+
+
+}