FileInputStream fis; try { fis = new FileInputStream("c://test.txt"); System.out.print("content of text is : "); int b; while ((b = fis.read()) != -1) // 顺序读取文件text里的内容并赋值 给整型变量b,直到文件结束为止。 { System.out.print((char) b); } } catch (FileNotFoundException e) { System.out.println(e); } catch (IOException e) { System.out.println(e); }