word转pdf

2023-12-07 17:41:00 +08:00
parent c7988344d3
commit 0ec450d85c
6 changed files with 215 additions and 23 deletions
@@ -0,0 +1,119 @@
+package com.ruoyi.common.utils;
+
+import cn.hutool.extra.spring.SpringUtil;
+
+import com.artofsolving.jodconverter.DocumentConverter;
+import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeConnection;
+import com.artofsolving.jodconverter.openoffice.connection.SocketOpenOfficeConnection;
+import com.artofsolving.jodconverter.openoffice.converter.OpenOfficeDocumentConverter;
+import com.ruoyi.common.exception.ServiceException;
+import lombok.extern.slf4j.Slf4j;
+import org.jodconverter.document.DocumentFormat;
+import org.jodconverter.office.OfficeException;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.MediaType;
+
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+/**
+ * LibreOffice工具类，用于将word,excel,ppt等格式文件转为pdf预览
+ *
+ * @author xuyuxiang
+ * @date 2020/7/6 14:55
+ */
+@Slf4j
+public class LibreOfficeUtil {
+    @Value("${jodconverter.local.office-home}")
+    private long OpenOffice_HOME;
+
+    private static DocumentConverter documentConverter;
+
+    private static void init() {
+        try {
+            documentConverter = SpringUtil.getBean(DocumentConverter.class);
+        } catch (Exception e) {
+            throw new ServiceException();
+        }
+    }
+
+
+    public static boolean doc2pdf(File docFile, File pdfFile) {
+        boolean result = false;// 转换结果
+        if (docFile.exists()) {
+            if (!pdfFile.exists()) {
+                OpenOfficeConnection connection = new SocketOpenOfficeConnection(8100);
+                try {
+                    connection.connect();
+                    DocumentConverter converter = new OpenOfficeDocumentConverter(connection);
+                    converter.convert(docFile, pdfFile);
+                    // 关闭连接
+                    connection.disconnect();
+                    result = true;
+
+                    log.info("****pdf转换成功，PDF输出：" + pdfFile.getPath() + "****");
+                } catch (java.net.ConnectException e) {
+                    log.error("openoffice服务未启动", e);
+                } catch (com.artofsolving.jodconverter.openoffice.connection.OpenOfficeException e) {
+                    log.error("读取转换文件失败", e);
+                } catch (Exception e) {
+                    log.error("转换失败", e);
+                }
+            } else {
+                result = true;
+                log.info("****已经转换为pdf，不需要再进行转化****");
+            }
+        } else {
+            log.info("****需要转换的文档不存在，无法转换****");
+        }
+        return result;
+    }
+    /**
+     * doc转pdf（程序启动openoffice）
+     *
+     * @param inputFile 输入文件
+     * @param outputFile 输出文件
+     * @return
+     */
+    public static boolean doc2pdf2(File inputFile, File outputFile) {
+        boolean result = false;
+        // OpenOffice的安装目录
+        String OpenOffice_HOME = "D:\\app\\libreOffice";
+        if (OpenOffice_HOME.charAt(OpenOffice_HOME.length() - 1) != '/') {
+            OpenOffice_HOME += "/";
+        }
+        Process process = null;
+        try {
+            // 启动OpenOffice的服务
+            String command = OpenOffice_HOME
+                    + "program/soffice.exe -headless -accept=\"socket,host=127.0.0.1,port=8100;urp;\"";
+            process = Runtime.getRuntime().exec(command);
+            // 连接 OpenOffice实例，运行在8100端口
+            OpenOfficeConnection connection = new SocketOpenOfficeConnection("127.0.0.1", 8100);
+            connection.connect();
+
+            // 转换
+            DocumentConverter converter = new OpenOfficeDocumentConverter(connection);
+            converter.convert(inputFile, outputFile);
+
+            // 关闭连接
+            connection.disconnect();
+            // 销毁OpenOffice服务的进程
+            process.destroy();
+
+            log.info("****pdf转换成功，PDF输出：" + outputFile.getPath() + "****");
+            return true;
+        } catch (Exception e) {
+            log.error("pdf转换失败", e);
+        } finally {
+            if (process != null) {
+                process.destroy();
+            }
+        }
+        return result;
+    }
+
+}