try{
        outSTr = new FileOutputStream(file1);
        Buff = new BufferedOutputStream(outSTr);
            try {
                Buff.write("\r\n".getBytes());
            } catch (IOException e) {
                e.printStackTrace();
            }
            for (int i = 0; i < list.size(); i++) 
            {
                try {
                    Buff.write("\r\n".getBytes());
                } catch (IOException e) {
                    e.printStackTrace();
                    i--;
                }
            }
        Buff.flush();
        Buff.close();
        
        } catch (IOException e) {
            e.printStackTrace();
        }
        //Buff.close();
        try {
            outSTr.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
       
        for (int i = 0; i < list.size(); i++) 
        {
            System.out.print(list.get(i));
            System.out.println();
        }
        System.out.print("计算完毕！");