word，excel，jpeg 转 pdf
首先下载相关jar包：/detail/xu281828044/6922499
import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import com.jacob.activeX.ActiveXComponent;import .Dispatch;import .Variant;import com.lowagie.text.Document;import com.lowagie.text.DocumentException;import com.lowagie.text.Image;import com.lowagie.text.PageSize;import com.lowagie.text.pdf.PdfWriter;public class Word2Pdf {static final int wdDoNotSaveChanges = 0;// 不保存待定的更改。static final int wdFormatPDF = 17;// word转PDF 格式static final int ppSaveAsPDF = 32;// ppt 转PDF 格式public static void main(String[] args) throws IOException {String source1 = "e:\\test.doc";String source2 = "e:\\asd.xlsx";String source3 = "e:\\aa.ppt";String target1 = "e:\\test1.pdf";String target2 = "e:\\test2.pdf";String target3 = "e:\\test3.pdf";Word2Pdf pdf = new Word2Pdf();// pdf.word2pdf(source1, target1);// pdf.excel2pdf(source2, target2);// pdf.ppt2pdf(source3, target3);// pdf.imgToPdf("e:/12345.jpg","e:/xu.pdf");}public void word2pdf(String source,String target){System.out.println("启动Word");long start = System.currentTimeMillis();ActiveXComponent app = null;try {app = new ActiveXComponent("Word.Application");app.setProperty("Visible", false);Dispatch docs = app.getProperty("Documents").toDispatch();System.out.println("打开文档" + source);Dispatch doc = Dispatch.call(docs,//"Open", //source,// FileNamefalse,// ConfirmConversionstrue // ReadOnly).toDispatch();System.out.println("转换文档到PDF " + target);File tofile = new File(target);if (tofile.exists()) {tofile.delete();}Dispatch.call(doc,//"SaveAs", //target, // FileNamewdFormatPDF);Dispatch.call(doc, "Close", false);long end = System.currentTimeMillis();System.out.println("转换完成..用时：" + (end - start) + "ms.");} catch (Exception e) {System.out.println("========Error:文档转换失败：" + e.getMessage());} finally {if (app != null)app.invoke("Quit", wdDoNotSaveChanges);}}public void ppt2pdf(String source,String target){System.out.println("启动PPT");long start = System.currentTimeMillis();ActiveXComponent app = null;try {app = new ActiveXComponent("Powerpoint.Application");Dispatch presentations = app.getProperty("Presentations").toDispatch();System.out.println("打开文档" + source);Dispatch presentation = Dispatch.call(presentations,//"Open", source,// FileNametrue,// ReadOnlytrue,// Untitled 指定文件是否有标题。false // WithWindow 指定文件是否可见。).toDispatch();System.out.println("转换文档到PDF " + target);File tofile = new File(target);if (tofile.exists()) {tofile.delete();}Dispatch.call(presentation,//"SaveAs", //target, // FileNameppSaveAsPDF);Dispatch.call(presentation, "Close");long end = System.currentTimeMillis();System.out.println("转换完成..用时：" + (end - start) + "ms.");} catch (Exception e) {System.out.println("========Error:文档转换失败：" + e.getMessage());} finally {if (app != null) app.invoke("Quit");}}public void excel2pdf(String source, String target) {System.out.println("启动Excel");long start = System.currentTimeMillis();ActiveXComponent app = new ActiveXComponent("Excel.Application"); // 启动excel(Excel.Application)try {app.setProperty("Visible", false);Dispatch workbooks = app.getProperty("Workbooks").toDispatch();System.out.println("打开文档" + source);Dispatch workbook = Dispatch.invoke(workbooks, "Open", Dispatch.Method, new Object[]{source, new Variant(false),new Variant(false)}, new int[3]).toDispatch();Dispatch.invoke(workbook, "SaveAs", Dispatch.Method, new Object[] {target, new Variant(57), new Variant(false),new Variant(57), new Variant(57), new Variant(false),new Variant(true), new Variant(57), new Variant(true),new Variant(true), new Variant(true) }, new int[1]);Variant f = new Variant(false);System.out.println("转换文档到PDF " + target);Dispatch.call(workbook, "Close", f);long end = System.currentTimeMillis();System.out.println("转换完成..用时：" + (end - start) + "ms.");} catch (Exception e) {System.out.println("========Error:文档转换失败：" + e.getMessage());}finally {if (app != null){app.invoke("Quit", new Variant[] {});}}}public boolean imgToPdf(String imgFilePath, String pdfFilePath)throws IOException {File file=new File(imgFilePath);if(file.exists()){Document document = new Document();FileOutputStream fos = null;try {fos = new FileOutputStream(pdfFilePath);PdfWriter.getInstance(document, fos);// 添加PDF文档的某些信息，比如作者，主题等等document.addAuthor("arui");document.addSubject("test pdf.");// 设置文档的大小document.setPageSize(PageSize.A4);// 打开文档document.open();// 写入一段文字//document.add(new Paragraph("JUST TEST ..."));// 读取一个图片Image image = Image.getInstance(imgFilePath);float imageHeight=image.getScaledHeight();float imageWidth=image.getScaledWidth();int i=0;while(imageHeight>500||imageWidth>500){image.scalePercent(100-i);i++;imageHeight=image.getScaledHeight();imageWidth=image.getScaledWidth();System.out.println("imageHeight->"+imageHeight);System.out.println("imageWidth->"+imageWidth);}image.setAlignment(Image.ALIGN_CENTER); ////设置图片的绝对位置// image.setAbsolutePosition(0, 0);// image.scaleAbsolute(500, 400);// 插入一个图片document.add(image);} catch (DocumentException de) {System.out.println(de.getMessage());} catch (IOException ioe) {System.out.println(ioe.getMessage());}document.close();fos.flush();fos.close();return true;}else{return false;}}}
