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@@ -1,14 +1,19 @@
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package com.kingtom.office.controller;
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import java.io.*;
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+import java.text.MessageFormat;
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import java.util.UUID;
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+import javax.servlet.http.HttpServletResponse;
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+
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import cn.hutool.core.date.DateUtil;
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import cn.hutool.core.io.FileUtil;
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import com.kingtom.office.config.AppConfig;
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-import jakarta.servlet.http.HttpServletResponse;
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-import org.jodconverter.core.DocumentConverter;
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-import org.jodconverter.core.office.OfficeException;
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+import lombok.extern.slf4j.Slf4j;
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+import org.apache.commons.exec.CommandLine;
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+import org.apache.commons.exec.DefaultExecutor;
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+import org.apache.commons.exec.ExecuteException;
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+import org.apache.commons.exec.ExecuteResultHandler;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.util.StringUtils;
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@@ -29,11 +34,9 @@ import org.springframework.web.multipart.MultipartFile;
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*/
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@Controller
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@RequestMapping("office")
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+@Slf4j
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public class OfficeController{
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- @Autowired
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- private DocumentConverter converter;
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-
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@Autowired
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private AppConfig appConfig;
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@@ -42,16 +45,18 @@ public class OfficeController{
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@PostMapping("toPdf")
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public void toPdf(@RequestParam("file") MultipartFile file, @RequestParam("fileType") String fileType,
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- HttpServletResponse response) throws IOException, OfficeException{
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- String uuid = StringUtils.replace(UUID.randomUUID().toString(), "-", "");
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-
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- File srcFile = new File(getFilePath() + uuid + fileType);
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- FileUtil.copyFile(file.getInputStream(), srcFile);
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-
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- String fileName = uuid + ".pdf";
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- File targetFile = new File(getFilePath() + fileName);
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- converter.convert(srcFile).to(targetFile).execute();
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- output(response, fileName, targetFile);
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+ HttpServletResponse response) throws Exception{
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+ try{
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+ String uuid = StringUtils.replace(UUID.randomUUID().toString(), "-", "");
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+ File srcFile = new File(getFilePath() + uuid + "." + fileType);
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+ FileUtil.copyFile(file.getInputStream(), srcFile);
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+ File targetFile = targetFile = libreOfficeConvert(srcFile);
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+ //File targetFile = asposeConvert(srcFile);
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+ output(response, targetFile.getName(), targetFile);
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+ } catch(Exception e){
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+ log.error(e.getMessage(), e);
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+ throw new Exception("转换失败！");
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+ }
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}
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private static void output(HttpServletResponse response, String fileName, File file) throws IOException{
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@@ -81,4 +86,59 @@ public class OfficeController{
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private String getFilePath(){
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return appConfig.getFileHome() + DateUtil.format(DateUtil.date(), FORMAT);
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}
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+
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+ private synchronized File libreOfficeConvert(File officeFile) throws IOException, InterruptedException{
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+ DefaultExecutor exec = new DefaultExecutor();
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+ ExecuteResultHandler erh = new ExecuteResultHandler(){
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+ @Override
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+ public void onProcessComplete(int exitValue){
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+ log.info(" 转换完成! Exit value: {}", exitValue);
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+ }
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+
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+ @Override
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+ public void onProcessFailed(ExecuteException e){
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+ log.error(" 转换失败!", e);
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+ }
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+ };
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+ File tempFolder = new File(getFilePath());
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+ String osName = System.getProperty("os.name");
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+ String command = null;
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+ if(osName.contains("Windows")){
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+ command = "cmd /c start soffice --headless --invisible --convert-to pdf:writer_pdf_Export \"{0}\" "
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+ + "--outdir \"{1}\"";
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+ } else{
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+ String fileType = officeFile.getName().substring(officeFile.getName().lastIndexOf("."));
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+ String cmd;
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+ switch(fileType){
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+ case ".docx":
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+ case ".doc":
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+ cmd = "writer";
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+ break;
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+ case ".ppt":
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+ case ".pptx":
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+ cmd = "impress";
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+ break;
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+ case ".xls":
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+ case ".xlsx":
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+ cmd = "calc";
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+ break;
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+ default:
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+ throw new RuntimeException("不支持的文件类型");
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+ }
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+ command = "libreoffice --headless --invisible --convert-to "
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+ + "pdf:writer_pdf_Export \"{0}\" --outdir \"{1}\"";
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+ }
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+ command = MessageFormat.format(command, officeFile.getAbsolutePath(), tempFolder.getAbsolutePath());
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+ log.info("执行office文件转换任务，命令为{}", command);
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+ exec.execute(CommandLine.parse(command), erh);
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+ File outputFile = new File(tempFolder.getAbsolutePath() + File.separator + officeFile.getName()
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+ .substring(0, officeFile.getName().indexOf(".")) + ".pdf");
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+ //CountDownLatch latch = new CountDownLatch(1);不生效，所以换成了循环睡眠
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+ int time = 0;
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+ while((!outputFile.exists()) && time < appConfig.getWaitTime()){
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+ Thread.sleep(1000);
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+ time++;
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+ }
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+ return outputFile;
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+ }
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}
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