文档拆分，处理在线编辑docx文件document.xml内容问题。

byd-structuredplugins-serve/laws-base/laws-base-core/src/main/java/com/jero/common/util/FileUtils.java

@@ -9,9 +9,11 @@ package com.jero.common.util;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
+import java.io.*;
 import java.nio.file.*;
 import java.nio.file.attribute.BasicFileAttributes;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
 
 public class FileUtils {
 
@@ -49,5 +51,167 @@ public class FileUtils {
             e.printStackTrace();
         }
     }
+
+
+    /**
+     * 处理在线编辑文件中，拆分图片，document.xml里面标签问题。
+     * @return
+     */
+    public static InputStream docxModifier(InputStream inputStream){
+        InputStream resultIs = null;
+        // 把文件流转成docx文件。存储到本地临时文件
+        byte[] buf = new byte[1024 * 8];
+        String tempFileName = UUIDUtils.randomUUID20();
+        LOGGER.info("处理docx文件中，document.xml文件标签开始，目录名为：" + tempFileName);
+        String filePath = "D:\\opt\\splitTempFile\\" + tempFileName + "\\";
+        String afterFilePath = "D:\\opt\\splitTempFile\\" + tempFileName;
+        File filePathDir = new File(filePath);
+        if (!filePathDir.exists()) {
+            filePathDir.mkdirs();
+        }
+        String tempFileUrl = filePath + tempFileName + ".docx";
+        String unZipFileDir = filePath;
+        try {
+            FileOutputStream fileOut = new FileOutputStream(new File(tempFileUrl));
+            while (true) {
+                int read = 0;
+                if (inputStream != null) {
+                    read = inputStream.read(buf);
+                }
+                if (read == -1) {
+                    break;
+                }
+                fileOut.write(buf, 0, read);
+            }
+            // 查看文件获取是否成功
+            if (fileOut.getFD().valid() == true) {
+                LOGGER.info("获取文件保存成功");
+            } else {
+                LOGGER.info("获取文件失败");
+            }
+            fileOut.flush();
+            fileOut.close();
+        }catch (Exception ex){
+            ex.printStackTrace();
+            LOGGER.error("文件流转成docx存储到本地失败：" + ex.getMessage());
+        }
+
+        // 将docx文件解压。
+        unpackDocx(tempFileUrl,unZipFileDir);
+        // 解压完，临时文件就没用了，删掉。
+        deleteFolders(tempFileUrl);
+
+        // 获取document.xml文件，解析该文件。
+        String documentXmlUrl = unZipFileDir + "\\word\\document.xml";
+        try {
+            InputStream documentXmlIs = new FileInputStream(new File(documentXmlUrl));
+            ByteArrayOutputStream xmlOutputStream = new ByteArrayOutputStream();
+            copyStream(documentXmlIs, xmlOutputStream);
+            String xmlContent = new String(xmlOutputStream.toByteArray(), "UTF-8");
+
+            // 将标签去掉。
+            xmlContent = xmlContent.replace("<mc:AlternateContent>", "")
+                    .replace("<mc:Choice Requires=\"wpg\">", "")
+                    .replace("</mc:Choice>", "")
+                    .replace("</mc:AlternateContent>", "");
+            LOGGER.info("去掉标签后的XML内容：" + xmlContent);
+            // 放回原位。
+            // 将之前的document.xml文件删掉，创建一个新的document.xml文件。并把替换后的内容写进去。
+            documentXmlIs.close();
+            deleteFolders(documentXmlUrl);
+
+            FileWriter xmlFileWriter = new FileWriter(documentXmlUrl);
+            BufferedWriter bufferedWriter = new BufferedWriter(xmlFileWriter);
+            bufferedWriter.write(xmlContent);
+            bufferedWriter.close();
+
+        }catch (Exception ex){
+            ex.printStackTrace();
+            LOGGER.error("处理document.xml文件失败：" + ex.getMessage());
+        }
+        // 压缩成docx文件，转成文件流返回。
+        compressDocx(afterFilePath, tempFileUrl);
+        try {
+            resultIs = new FileInputStream(tempFileUrl);
+//            resultIs.close();
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            LOGGER.error("获取处理完之后的docx失败：" + ex.getMessage());
+        }
+        // 删除创建的临时文件
+//        deleteFolders(filePath);
+        return resultIs;
+    }
+
+    /**
+     * 解压docx文件
+     * @param docxFilePath  docx文件路径
+     * @param destDirPath   解压后的文件夹路径
+     */
+    public static void unpackDocx(String docxFilePath,String destDirPath){
+        ZipUtil.unZip(new File(docxFilePath), destDirPath);
+    }
+
+    // 辅助方法：复制输入流到输出流
+    private static void copyStream(InputStream inputStream, OutputStream outputStream) throws IOException {
+        byte[] buffer = new byte[1024];
+        int length;
+        while ((length = inputStream.read(buffer)) > 0) {
+            outputStream.write(buffer, 0, length);
+        }
+        inputStream.close();
+        outputStream.flush();
+    }
+
+
+    /**
+     * 压缩docx文件
+     * @param folderPath    文件夹路径
+     * @param docxFilePath  压缩后的docx文件路径。
+     */
+    public static void compressDocx(String folderPath, String docxFilePath) {
+
+        try {
+            File folder = new File(folderPath);
+            FileOutputStream fos = new FileOutputStream(docxFilePath);
+            ZipOutputStream zos = new ZipOutputStream(fos);
+
+            addFilesToZip(folder, zos, "");
+
+            zos.close();
+            fos.close();
+        } catch (Exception ex){
+            ex.printStackTrace();
+            LOGGER.error("压缩docx文件失败：" + ex.getMessage());
+        }
+    }
+
+    public static void addFilesToZip(File folder, ZipOutputStream zos, String parentFolderName) throws IOException {
+        for (File file : folder.listFiles()) {
+            if (file.isDirectory()) {
+                addFilesToZip(file, zos, parentFolderName + file.getName() + "/");
+                continue;
+            }
+
+            byte[] buffer = new byte[1024];
+            FileInputStream fis = new FileInputStream(file);
+            zos.putNextEntry(new ZipEntry(parentFolderName + file.getName()));
+            int length;
+            while ((length = fis.read(buffer)) > 0) {
+                zos.write(buffer, 0, length);
+            }
+            zos.closeEntry();
+            fis.close();
+        }
+    }
+
+    public static void main(String[] args) {
+        try {
+//            compressDocx("D:\\opt\\splitTempFile\\GZA688BPVSW4T3Y7YK9K\\","D:\\opt\\splitTempFile\\GZA688BPVSW4T3Y7YK9K\\GZA688BPVSW4T3Y7YK9K.docx");
+            compressDocx("D:\\opt\\splitTempFile\\GZA688BPVSW4T3Y7YK9K", "D:\\opt\\splitTempFile\\GZA688BPVSW4T3Y7YK9K\\output.docx");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
 }
 

byd-structuredplugins-serve/laws-modules/src/main/java/com/jero/modules/split/service/impl/FileSpiltService.java

@@ -237,6 +237,10 @@ public class FileSpiltService {
             }
             log.info("下载文档结束=========================================================");
         }
+
+        // 处理在线编辑文件中，图片拆分问题。
+        splitFileIs = com.jero.common.util.FileUtils.docxModifier(splitFileIs);
+
         //记录公式自动编号
         MathNumber mathNumber = new MathNumber();
         try (InputStream is = splitFileIs;InputStream is1 = splitFileIs1) {