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如何閱讀本地PDF文件並將其作爲iText在瀏覽器中下載? 這是我試過的,但文件總是這樣說的:閱讀PDF文件並以iText作爲下載文件提供
Adobe Reader無法打開「xxx.pdf」,因爲它不是支持的文件類型,或者是因爲文件已損壞(例如,它已發送作爲電子郵件的附件,並沒有正確解碼)。
PdfReader reader = new PdfReader(filename);
byte[] streamBytes = reader.getPageContent(1);
response.setContentType("application/force-download");
response.setCharacterEncoding("UTF-8");
response.addHeader("Content-Disposition", "attachment; filename=" + filename);
BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream());
bos.write(reader.getPageContent(1));
bos.write(streamBytes);
bos.flush();
bos.close();
我甚至做了一個試驗,如果iText的文件識別爲PDF格式,這是輸出:
System.out.println("PDF Version: " + reader.getPdfVersion());
System.out.println("Number of pages: " + reader.getNumberOfPages());
System.out.println("File length: " + reader.getFileLength());
System.out.println("Encrypted? " + reader.isEncrypted());
System.out.println("Rebuilt? " + reader.isRebuilt());
14:52:42,121 INFO [STDOUT] PDF Version: 4
14:52:42,121 INFO [STDOUT] Number of pages: 2
14:52:42,121 INFO [STDOUT] File length: 186637
14:52:42,121 INFO [STDOUT] Encrypted? false
14:52:42,121 INFO [STDOUT] Rebuilt? false
你說得對,但它沒有解決任何問題。 – doonot 2012-07-11 13:08:19