//删除暂存的pdf
File file =new File(pdfFilename);
file.delete();
Path path2 = Paths.get(pdfFilename);
Files.delete(path2);
whoknows1 原文
//删除暂存的pdf
File file =new File(pdfFilename);
file.delete();
Path path2 = Paths.get(pdfFilename);
Files.delete(path2);