chenxudong
/
electromagnetic-data-new
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

实现在Windows下Word文件可预览

This commit is contained in:
chenxudong 2025-11-20 19:15:41 +08:00
parent b69132541a
commit 617da85ead
4 changed files with 31 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/config/ElePropertyConfig.java
View File

@ -68,6 +68,7 @@ public class ElePropertyConfig {
@Value("${backup.remote.port}")
private int remotePort;
@Getter
@Value("${winPrefix}")
private String winPrefix = "";

2
electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/ChatService.java
View File

@ -128,7 +128,7 @@ public class ChatService {
} else {
FileUtil.writeFromStream(file.getInputStream(), srcPath);
if (Arrays.asList("doc", "docx").contains(fileType)) {
OfficeFileUtil.doc2pdf(srcPath, pdfPath);
OfficeFileUtil.doc2pdf(srcPath, pdfPath, elePropertyConfig.getWinPrefix());
} else {
OfficeFileUtil.ppt2pdf(srcPath, pdfPath);
}

7
electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileInfoServiceImpl.java
View File

@ -1344,18 +1344,20 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
@Override
public ResponseEntity<InputStreamResource> preview(String id, HttpServletResponse response, int dataOwnCode) {
String fileSaveTmpPath = null;
String wordPath = null;
try {
EdFileInfo fileInfo = this.baseMapper.selectById(id);
Assert.isTrue(Objects.nonNull(fileInfo), "文件不存在");
String fileDbPath = commonService.getDbPath(fileInfo.getFilePath());
String fileSysPath = commonService.getFileSysPath(fileInfo.getId());
fileSaveTmpPath = elePropertyConfig.getEleTmpPath() + File.separator + IdUtil.fastSimpleUUID() + "." + fileInfo.getFileType();
wordPath = new String(fileSaveTmpPath);
FileUtil.copy(fileSysPath, fileSaveTmpPath, true);
EleCommonUtil.decryptFile(fileSaveTmpPath, SecureUtil.aes(elePropertyConfig.getFileEncPasswd().getBytes()));
if (Arrays.asList("doc", "docx").contains(fileInfo.getFileType())) {
String pdfTmpPath = elePropertyConfig.getEleTmpPath() + File.separator + fileInfo.getId() + ".pdf";
OfficeFileUtil.doc2pdf(fileSaveTmpPath, pdfTmpPath);
OfficeFileUtil.doc2pdf(fileSaveTmpPath, pdfTmpPath, elePropertyConfig.getWinPrefix());
fileSaveTmpPath = pdfTmpPath;
}
@ -1385,6 +1387,9 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
throw new BizException("文件预览错误，文件id是 " + id);
} finally {
FileUtil.del(fileSaveTmpPath);
if (StrUtil.isNotBlank(wordPath)) {
FileUtil.del(wordPath);
}
}
}

50
electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/util/OfficeFileUtil.java
View File

@ -6,9 +6,6 @@ import cn.hutool.core.text.StrFormatter;
import cn.hutool.core.util.IdUtil;
import cn.hutool.core.util.RuntimeUtil;
import com.benjaminwan.ocrlibrary.OcrResult;
import com.documents4j.api.DocumentType;
import com.documents4j.api.IConverter;
import com.documents4j.job.LocalConverter;
import com.electromagnetic.industry.software.common.exception.BizException;
import com.electromagnetic.industry.software.common.pojo.PageFile;
import io.github.mymonstercat.Model;
@ -35,7 +32,6 @@ import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
@ -45,37 +41,37 @@ import java.util.Objects;
@Slf4j
public class OfficeFileUtil {
public static void doc2pdf(String wordPath, String pdfPath) {
public static void doc2pdf(String wordPath, String pdfPath, String installPath) {
if (FileUtil.exist(pdfPath)) {
return;
}
log.info("Start convert word file to pdf, word path: {}, pdf path: {}", wordPath, pdfPath);
if (EleCommonUtil.isWinOs()) {
File inputWord = new File(wordPath);
File outputFile = new File(pdfPath);
try (InputStream docxInputStream = Files.newInputStream(inputWord.toPath());
OutputStream outputStream = Files.newOutputStream(outputFile.toPath())) {
IConverter build = LocalConverter.builder().build();
boolean execute;
if (wordPath.endsWith(".docx")) {
execute = build.convert(docxInputStream)
.as(DocumentType.DOCX)
.to(outputStream)
.as(DocumentType.PDF).schedule().get();
} else {
execute = build.convert(docxInputStream)
.as(DocumentType.DOC)
.to(outputStream)
.as(DocumentType.PDF).schedule().get();
try {
String libOfficePath = installPath + "/LibreOffice/program/soffice.exe";
if (!FileUtil.exist(libOfficePath)) {
log.error("libOfficePath does not exist");
throw new BizException("请联系管理员升级数据库组件");
}
String pdfParentPath = FileUtil.getParent(pdfPath, 1);
StringBuilder command = new StringBuilder();
command.append(libOfficePath).append(" --headless --convert-to pdf --outdir")
.append(" ").append(pdfParentPath).append(" ").append(wordPath);
Process process = RuntimeUtil.exec(command.toString());
process.waitFor();
if (process.exitValue() != 0) {
log.error("word文件 {} 转换失败", wordPath);
throw new BizException("word文件转换失败");
} else {
String wordMainName = FileUtil.mainName(wordPath);
String pdfTmpPath = pdfParentPath + "/" + wordMainName + ".pdf";
FileUtil.move(new File(pdfTmpPath), new File(pdfPath), true);
}
Assert.isTrue(execute, "转换失败");
log.info("转换完毕 targetPath = {}", outputFile.getAbsolutePath());
build.shutDown();
} catch (Exception e) {
log.error("[documents4J] word转pdf失败:{}", e.toString());
String info = StrFormatter.format("word文档{}转换成pdf文档{}失败", wordPath, pdfPath);
throw new BizException(info + "，原因" + e.getMessage(), e);
log.error(e.getMessage(), e);
throw new BizException(e.getMessage());
}
} else {
try {
StringBuilder command = new StringBuilder();