java jacob office转换成pdf

浅浅的花香味﹌ 2022-08-21 04:26 161阅读 0赞

private static final int wdFormatPDF = 17;
     private static final int xlTypePDF = 0;
     private static final int ppSaveAsPDF = 32;
     private static final int msoTrue = -1;
     private static final int msofalse = 0;
    
        public 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;
            }
            if(suffix.equals("doc")||suffix.equals("docx")||suffix.equals("txt")){
                return word2PDF(inputFile,pdfFile);
            }else if(suffix.equals("ppt")||suffix.equals("pptx")){
                return ppt2PDF(inputFile,pdfFile);
            }else if(suffix.equals("xls")||suffix.equals("xlsx")){
                return 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;
        }
        }
        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;
        }
             
        }
        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;
            }
        }