java office文件转为pdf

需要用到的jar包jacob.jar
和需要用到的dll文件
jacob-1.17-M2-x64.dll
俩个文件自己百度就能下载到

package com.cisa;

import java.io.File;
import com.jacob.activeX.ActiveXComponent;
import com.jacob.com.Dispatch;

public class Office2pdfHelper {

	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;

	// 直接调用这个方法即可
	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;
		}
	}

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Office2pdfHelper oh = new Office2pdfHelper();
		System.out.println(System.getProperty("java.library.path"));
		System.loadLibrary("jacob-1.17-M2-x64");
		//System.load("C:\\Users\\Niexl\\Workspaces\\MyEclipse for Spring 2014\\office2pdf\\src\\main\\resources\\jacob-1.17-M2-x86.dll");
		
		oh.convert2PDF(
				"C:\\Users\\15650\\Desktop\\教育培训\\试题.xls",
				"C:\\Users\\15650\\Desktop\\教育培训\\testt\\test.pdf");
	}

}