weixin_46085253的博客

1.创建文件 @Test public void test01() { String path = "f:\\io.txt"; File file = new File(path); try { file.createNewFile(); System.out.println("文件创建成功"); } catch (IOException e) { e.pr

@Test public void testCopy() throws IOException { String path = "f:\\hello.txt";//源文件目录 String distPath = "d:\\hello.txt";//目标文件目录 FileInputStream inputStream = null;//初始化一个输入流，用来读取文件 FileOutputStream outputStream = nul.