Libreoffice实现Word、Excel在线预览
package com.dxy.util.excel;
import java.io.File;
import org.jodconverter.core.office.OfficeException;
import org.jodconverter.local.JodConverter;
import org.jodconverter.local.office.LocalOfficeManager;
public class JodConverterDemo {
public static void main(String[] args) throws OfficeException {
// 获取LibreOffice服务实例
LocalOfficeManager instance = getInstance();
try {
// 启动服务， 注意：如果是Spring boot项目，只需要在项目启动时 start 一次即可
instance.start();
// docx 转 pdf
File srcFile1 = new File("D:\\test1.docx");
File targetFile1 = new File("D:\\test1.pdf");
JodConverter.convert(srcFile1).to(targetFile1).execute();
// ppt 转 pdf
File srcFile2 = new File("D:\\test2.ppt");
File targetFile2 = new File("D:\\test2.pdf");
JodConverter.convert(srcFile2).to(targetFile2).execute();
// excel 转 html， excel 转 pdf 效果不好
File srcFile3 = new File("E:\\tmp\\user2.xlsx");
File targetFile3 = new File("E:\\tmp\\user2.html");
JodConverter.convert(srcFile3).to(targetFile3).execute();
} finally {
// 停止服务，demo中需要手动停止LibreOffice服务，不然项目无法退出，只能手动杀掉LibreOffice进程
instance.stop();
}
}
public static LocalOfficeManager getInstance() {
LocalOfficeManager.Builder builder = LocalOfficeManager.builder().install();
// 此处是 LibreOffice 的目录
builder.officeHome("C:\\Program Files\\LibreOffice");
// 指定 LibreOffice 服务的端口号，若要启动多个服务，则填写多个端口号
builder.portNumbers(2000);
// 转换超时时间
builder.taskExecutionTimeout(60L * 1000);
// 队列超时时间
builder.taskQueueTimeout(1000 * 60 * 60L); // 1小时
return builder.build();
}
}