Aspose实现附件在线预览功能

package com.test; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream; import com.aspose.cells.PdfSaveOptions; import com.aspose.cells.Workbook; import com.aspose.slides.Presentation; import com.aspose.words.Document; public class AsposeUtil { /** * 获取license * * @return */ public static boolean getLicense(int type) { boolean result = false; try { InputStream is = TestEcxel.class.getClassLoader().getResourceAsStream("license.xml"); if(type == 1) {//excel com.aspose.cells.License aposeLic = new com.aspose.cells.License(); aposeLic.setLicense(is); result = true; } else if (type == 2) {//word com.aspose.words.License aposeLic = new com.aspose.words.License(); aposeLic.setLicense(is); result = true; } else {//ppt com.aspose.slides.License aposeLic = new com.aspose.slides.License(); aposeLic.setLicense(is); result = true; } } catch (Exception e) { e.printStackTrace(); } return result; } public static void Excel2Pdf() { // 验证License if (!getLicense(1)) { return; } try { long old = System.currentTimeMillis(); Workbook wb = new Workbook("D:\\pdftest\\Book1 - 副本.xlsx");// 原始excel路径 File pdfFile = new File("D:\\pdftest\\Book1 - 副本.pdf");// 输出路径 FileOutputStream fileOS = new FileOutputStream(pdfFile); //wb.save(fileOS, com.aspose.cells.SaveFormat.PDF); PdfSaveOptions pdfSaveOptions = new PdfSaveOptions(); pdfSaveOptions.setAllColumnsInOnePagePerSheet(true); wb.save(fileOS, pdfSaveOptions); long now = System.currentTimeMillis(); System.out.println("共耗时：" + ((now - old) / 1000.0) + "秒"); } catch (Exception e) { e.printStackTrace(); } } public static void Word2Pdf() { // 验证License if (!getLicense(2)) { return; } try { long old = System.currentTimeMillis(); Document doc = new Document("D:\\pdftest\\OKAY-HR-ZZ01-V5.0转正申请表.doc");// 原始word路径 File pdfFile = new File("D:\\pdftest\\OKAY-HR-ZZ01-V5.0转正申请表.pdf");// 输出路径 FileOutputStream fileOS = new FileOutputStream(pdfFile); doc.save(fileOS, com.aspose.words.SaveFormat.PDF); long now = System.currentTimeMillis(); System.out.println("共耗时：" + ((now - old) / 1000.0) + "秒"); } catch (Exception e) { e.printStackTrace(); } } public static void PPT2Pdf() { // 验证License if (!getLicense(3)) { return; } try { long old = System.currentTimeMillis(); InputStream slides = new FileInputStream(new File("D:\\pdftest\\第12章获取openid讲解.pptx"));// 原始ppt路径 Presentation pres = new Presentation(slides); File file = new File("D:\\pdftest\\第12章获取openid讲解.pdf");// 输出pdf路径 FileOutputStream fileOS = new FileOutputStream(file); pres.save(fileOS, com.aspose.slides.SaveFormat.Pdf); long now = System.currentTimeMillis(); System.out.println("共耗时：" + ((now - old) / 1000.0) + "秒\n\n" + "文件保存在:" + file.getPath()); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] args) { Excel2Pdf(); //Word2Pdf(); //PPT2Pdf(); } }