java jacob office转换成pdf

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;
}
}