1、使用jacob插件
2、使用方法
1)于word、ppt等上传文件转换为PDF格式文件的环境搭建,步骤如下:
① 首先电脑要先安装office软件(不可以是WPS软件)
② 需要把jacob.dll文件复制到JDK的bin目录下面,否则无法调用转换为PDF的功能。
2)使用的服务器上必须安装有office软件,因为原理是调用office的pdf转换器来实现的。
3)必须也要有PDF软件,因为office要通过调用本地的pdf软件来实现格式的转换。
3、office文件转PDF
- import java.io.File;
- import com.jacob.activeX.ActiveXComponent;
- import com.jacob.com.ComThread;
- import com.jacob.com.Dispatch;
- public class OfficeToPdf {
- private static final int wdFormatPDF = 17;
- private static final int xlTypePDF = 0;
- private static final int ppSaveAsPDF = 32;
- public static void main(String[] args) {
- convert2PDF("I:\\使用方法.txt","I:\\使用方法.pdf");
- }
- /*
- * 转换生存PDF文件,支持格式 doc docx txt ppt pptx xls xlsx
- * 1、需安装office软件,并有将office转化为PDF的插件 2、需有jacob(java com bridge),
- * java与com组件之间的桥梁
- */
- public static boolean convert2PDF(String inputFile, String pdfFile) {
- String suffix = getFileSufix(inputFile);
- File file = new File(inputFile);
- if (!file.exists()) {
- System.out.println("文件不存在!");
- return false;
- }
- if (suffix.equals("pdf")) {
- System.out.println("PDF not need to convert!");
- return false;
- }
- OfficeToPdf officeToPdf = new OfficeToPdf();
- if (suffix.equals("doc") || suffix.equals("docx")
- || suffix.equals("txt")) {
- return officeToPdf.word2PDF(inputFile, pdfFile);
- } else if (suffix.equals("ppt") || suffix.equals("pptx")) {
- return officeToPdf.ppt2PDF(inputFile, pdfFile);
- } else if (suffix.equals("xls") || suffix.equals("xlsx")) {
- return officeToPdf.excel2PDF(inputFile, pdfFile);
- } else {
- System.out.println("文件格式不支持转换!");
- return false;
- }
- }
- public static String getFileSufix(String fileName) {
- int splitIndex = fileName.lastIndexOf(".");
- return fileName.substring(splitIndex + 1);
- }
- public boolean word2PDF(String inputFile, String pdfFile) {
- try {
- // 打开word应用程序
- ActiveXComponent app = new ActiveXComponent("Word.Application");
- // 设置word不可见
- app.setProperty("Visible", false);
- // 获得word中所有打开的文档,返回Documents对象
- Dispatch docs = app.getProperty("Documents").toDispatch();
- // 调用Documents对象中Open方法打开文档,并返回打开的文档对象Document
- Dispatch doc = Dispatch.call(docs, "Open", inputFile, false, true)
- .toDispatch();
- // 调用Document对象的SaveAs方法,将文档保存为pdf格式
- /*
- * Dispatch.call(doc, "SaveAs", pdfFile, wdFormatPDF
- * //word保存为pdf格式宏,值为17 );
- */
- Dispatch.call(doc, "ExportAsFixedFormat", pdfFile, wdFormatPDF // word保存为pdf格式宏,值为17
- );
- // 关闭文档
- Dispatch.call(doc, "Close", false);
- // 关闭word应用程序
- app.invoke("Quit", 0);
- return true;
- } catch (Exception e) {
- return false;
- } finally {
- ComThread.Release();
- }
- }
- public boolean excel2PDF(String inputFile, String pdfFile) {
- try {
- ActiveXComponent app = new ActiveXComponent("Excel.Application");
- app.setProperty("Visible", false);
- Dispatch excels = app.getProperty("Workbooks").toDispatch();
- Dispatch excel = Dispatch.call(excels, "Open", inputFile, false,
- true).toDispatch();
- Dispatch.call(excel, "ExportAsFixedFormat", xlTypePDF, pdfFile);
- Dispatch.call(excel, "Close", false);
- app.invoke("Quit");
- return true;
- } catch (Exception e) {
- return false;
- } finally {
- ComThread.Release();
- }
- }
- public boolean ppt2PDF(String inputFile, String pdfFile) {
- try {
- ActiveXComponent app = new ActiveXComponent(
- "PowerPoint.Application");
- // app.setProperty("Visible", msofalse);
- Dispatch ppts = app.getProperty("Presentations").toDispatch();
- Dispatch ppt = Dispatch.call(ppts, "Open", inputFile, true,// ReadOnly
- true,// Untitled指定文件是否有标题
- false// WithWindow指定文件是否可见
- ).toDispatch();
- Dispatch.call(ppt, "SaveAs", pdfFile, ppSaveAsPDF);
- Dispatch.call(ppt, "Close");
- app.invoke("Quit");
- return true;
- } catch (Exception e) {
- return false;
- } finally {
- ComThread.Release();
- }
- }
- }
4、office文件转html
- import java.io.File;
- import com.jacob.activeX.ActiveXComponent;
- import com.jacob.com.ComThread;
- import com.jacob.com.Dispatch;
- public class OfficeToHtml {
- public static final int WORD_HTML = 8;
- public static final int WORD_TXT = 7;
- public static final int EXCEL_HTML = 44;
- public static final int PPT_HTML = 44;
- public static void main(String[] args) {
- convert2HTML("I:\\使用方法.txt","I:\\使用方法.html");
- }
- /*
- * 转换生存PDF文件,支持格式 doc docx txt xls xlsx 1、需安装office软件,并有将office转化为PDF的插件
- * 2、需有jacob(java com bridge), java与com组件之间的桥梁
- */
- public static boolean convert2HTML(String inputFile, String pdfFile) {
- String suffix = getFileSufix(inputFile);
- File file = new File(inputFile);
- if (!file.exists()) {
- System.out.println("文件不存在!");
- return false;
- }
- OfficeToHtml officeToHtml = new OfficeToHtml();
- if (suffix.equals("doc") || suffix.equals("docx")
- || suffix.equals("txt")) {
- return officeToHtml.word2HTML(inputFile, pdfFile);
- } else if (suffix.equals("xls") || suffix.equals("xlsx")) {
- return officeToHtml.excel2HTML(inputFile, pdfFile);
- } else {
- System.out.println("文件格式不支持转换!");
- return false;
- }
- }
- public static String getFileSufix(String fileName) {
- int splitIndex = fileName.lastIndexOf(".");
- return fileName.substring(splitIndex + 1);
- }
- /**
- * WORD转HTML
- *
- * @param docfile
- * WORD文件全路径
- * @param htmlfile
- * 转换后HTML存放路径
- */
- public boolean word2HTML(String docfile, String htmlfile) {
- ActiveXComponent app = new ActiveXComponent("Word.Application"); // 启动word
- try {
- app.setProperty("Visible", false);
- app.setProperty("DisplayAlerts", false);// 设置不显示弹出覆盖警告
- Dispatch docs = app.getProperty("Documents").toDispatch();
- Dispatch doc = Dispatch.invoke(docs, "Open", Dispatch.Method,
- new Object[] { docfile, false, true }, new int[1])
- .toDispatch();
- Dispatch.invoke(doc, "SaveAs", Dispatch.Method, new Object[] {
- htmlfile, WORD_HTML }, new int[1]);
- Dispatch.call(doc, "Close", false);
- app.invoke("Quit", 0);
- return true;
- } catch (Exception e) {
- return false;
- } finally {
- ComThread.Release();
- }
- }
- /**
- * EXCEL转HTML
- *
- * @param xlsfile
- * EXCEL文件全路径
- * @param htmlfile
- * 转换后HTML存放路径
- */
- public boolean excel2HTML(String xlsfile, String htmlfile) {
- ActiveXComponent app = new ActiveXComponent("Excel.Application"); // 启动exel
- try {
- app.setProperty("Visible", false);
- app.setProperty("DisplayAlerts", false);// 设置不显示弹出覆盖警告
- Dispatch excels = app.getProperty("Workbooks").toDispatch();
- Dispatch excel = Dispatch.invoke(excels, "Open", Dispatch.Method,
- new Object[] { xlsfile, false, true }, new int[1])
- .toDispatch();
- Dispatch.invoke(excel, "SaveAs", Dispatch.Method, new Object[] {
- htmlfile, EXCEL_HTML }, new int[1]);
- Dispatch.call(excel, "Close", false);
- app.invoke("Quit");
- return true;
- } catch (Exception e) {
- return false;
- } finally {
- ComThread.Release();
- }
- }
- }