package com;

import java.io.File;

import java.io.IOException;

import org.apache.pdfbox.util.PDFMergerUtility;

/**

 * PDF格式的图片合并

 *

 */

public class PdfBox {

	  private static String[] getFiles(String folder) throws IOException {

	      File _folder = new File(folder);

	      String[] filesInFolder;     

	      if(_folder.isDirectory()){

	            filesInFolder = _folder.list();

	            return filesInFolder;

	       } else {

	            throw new IOException("Path is not a directory");

	       }

	    } 

	public static void main(String[] args) throws Exception {

		//pdf合并工具类

        PDFMergerUtility mergePdf = new PDFMergerUtility();  

        String folder = "D:/testFile";

        String destinationFileName = "mergedTest.pdf";  

        String[] filesInFolder = getFiles(folder);     

        for(int i = 0; i < filesInFolder.length; i++){

            //循环添加要合并的pdf存放的路径

            mergePdf.addSource(folder + File.pathSeparator + filesInFolder[i]);

        }

        //设置合并生成pdf文件名称

        mergePdf.setDestinationFileName(folder + File.separator + destinationFileName);

        //合并pdf

        mergePdf.mergeDocuments();

	}

}