java使用jacob将office转pdf

1.此处代码是把office文档转换成pdf的工具类，在BS架构的产品中，我们可以使用基于JS的pdf插件显示pdf文档，但是前提IE需要按照adobe的pdf软件，对于非IE不用安装。
2.可以基于flexPager插件显示文档，但是也需要把office转换成swf的文件才可以，实现需要完成转换。
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  1 import java.io.File;

 import com.jacob.activeX.ActiveXComponent;
 import com.jacob.com.Dispatch;

 public class OfficeToPdfTools {

     private static final int wdFormatPDF = 17;
     private static final int xlsFormatPDF = 0;
     private static final int pptFormatPDF = 32;
     private static final int msoTrue = -1;
     private static final int msofalse = 0;

     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;
         }
         if (suffix.equals("doc") || suffix.equals("docx")) {
             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;
         }
     }

     private static String getFileSufix(String fileName) {
         int splitIndex = fileName.lastIndexOf(".");
         return fileName.substring(splitIndex + 1);
     }

     private static boolean word2PDF(String inputFile, String pdfFile) {
         try {
             ActiveXComponent app = new ActiveXComponent("Word.Application");
             app.setProperty("Visible", false);
             Dispatch docs = app.getProperty("Documents").toDispatch();
             Dispatch doc = Dispatch.call(docs, "Open", inputFile, false, true)
                     .toDispatch();
             File tofile = new File(pdfFile);
             if (tofile.exists()) {
                 tofile.delete();
             }
             Dispatch.call(doc, "ExportAsFixedFormat", pdfFile, wdFormatPDF
                     );
             Dispatch.call(doc, "Close", false);
             app.invoke("Quit", 0);
             return true;
         } catch (Exception e) {
             return false;
         }
     }

     private static 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();
             File tofile = new File(pdfFile);
             if (tofile.exists()) {
                 tofile.delete();
             }
             Dispatch.call(excel, "ExportAsFixedFormat", xlsFormatPDF, pdfFile);
             Dispatch.call(excel, "Close", false);
             app.invoke("Quit");
             return true;
         } catch (Exception e) {
             return false;
         }

     }

     private static boolean ppt2PDF(String inputFile, String pdfFile) {
         try {
             ActiveXComponent app = new ActiveXComponent(
                     "PowerPoint.Application");
             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();
             File tofile = new File(pdfFile);
             if (tofile.exists()) {
                 tofile.delete();
             }
             Dispatch.call(ppt, "SaveAs", pdfFile, pptFormatPDF);
             Dispatch.call(ppt, "Close");
             app.invoke("Quit");
             return true;
         } catch (Exception e) {
             return false;
         }
     }

     public static void main(String[] args) {
         //OfficeToPdfTools.convert2PDF("c:\\ppt.pptx", "c:\\ppt.pdf");
         OfficeToPdfTools.convert2PDF("c:\\excel.xls", "c:\\excel.pdf");
         //OfficeToPdfTools.convert2PDF("c:\\word.docx", "c:\\word.pdf");

     }
     

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