import java.io.*;

public class BufferReaderTest {
    public static void main(String[] args){
        FileReader fr = null;
        BufferedReader br = null;
        BufferedWriter bw = null;
        FileWriter fw  = null;
        try{
            fr = new FileReader("D:\\common.php");
            fw = new FileWriter("D:\\common_bak.php");
            br = new BufferedReader(fr);
            bw = new BufferedWriter(fw);
            String strlin = "";
            while((strlin = br.readLine()) != null){
                System.out.println(strlin);
                bw.write(strlin+"\r\n");
                bw.flush();
            }
            System.out.print("打印完成");
        }catch (FileNotFoundException e){
            e.printStackTrace();
        }catch (IOException e){
            e.printStackTrace();
        }finally {
            try{
                fr.close();
                br.close();
                fw.close();
                bw.close();

            }catch (Exception e){
                e.printStackTrace();
            }
        }

    }
}