public class Test { public static void main(String[] args) { // inputstream 转 file File file = new File("C:\\Users\\haocj\\Desktop\\工作总结.xls"); File targetFile = null; try (InputStream initialStream = new FileInputStream(file)) { targetFile = File.createTempFile(StringUtils.uuid(), "工作总结_1.xls"); java.nio.file.Files.copy(initialStream, targetFile.toPath(), StandardCopyOption.REPLACE_EXISTING); } catch (Exception e) { e.printStackTrace(); }finally { // 删除临时文件 targetFile.delete(); } } }
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