Java处理OA中常用的word文档，PDf，excel等问题---1

用Java生成word文档，常用的有freemarker + xml ,volcity+vm,JAVA2word.

废话少说：

         PDF合并，itext2.0.8.jar,itextAsian.jar

import java.io.FileOutputStream;   
import com.lowagie.text.Document;  
import com.lowagie.text.pdf.PdfCopy; 
import com.lowagie.text.pdf.PdfImportedPage; 
import com.lowagie.text.pdf.PdfReader; 
 
public class MergeFile { 
    public static void main(String[] args) { 
        String[] files = { "d:\\a.pdf", "d:\\b.pdf", "d:\\c.pdf" ,"d:\\d.pdf"}; 
        String savepath = "d:\\temp.pdf"; 
     boolean bs =   mergePdfFiles(files, savepath); 
     System.out.println("执行结果是"+bs);
    } /*
         * * 合並pdf文件 * * @param files 要合並文件數組(絕對路徑如{ "e:\\1.pdf", "e:\\2.pdf" ,
         * "e:\\3.pdf"}) * @param newfile
         * 合並後新產生的文件絕對路徑如e:\\temp.pdf,請自己刪除用過後不再用的文件請 * @return boolean
         * 產生成功返回true, 否則返回false
         */ 
 
    public static boolean mergePdfFiles(String[] files, String newfile) { 
        boolean retValue = false; 
        Document document = null; 
        try { 
            document = new Document(new PdfReader(files[0]).getPageSize(1)); 
            PdfCopy copy = new PdfCopy(document, new FileOutputStream(newfile)); 
            document.open(); 
            for (int i = 0; i < files.length; i++) { 
                PdfReader reader = new PdfReader(files[i]); 
                int n = reader.getNumberOfPages(); 
                for (int j = 1; j <= n; j++) { 
                    document.newPage(); 
                    PdfImportedPage page = copy.getImportedPage(reader, j); 
                    copy.addPage(page); 
                } 
            } 
            retValue = true; 
        } catch (Exception e) { 
            e.printStackTrace(); 
        } finally { 
            document.close(); 
        } 
        return retValue; 
    } 
}