package com.test;

 import java.io.BufferedReader;

 import java.io.BufferedWriter;

 import java.io.File;

 import java.io.FileInputStream;

 import java.io.FileWriter;

 import java.io.InputStreamReader;

 /**

  * Java读写文本文件操作

  *

  * @author penghuaiyi

  * @date 2011-07-25

  */

 public class TextUtils {

     //读取文本文件

     public static void readTxt(){

         try {

              File file = new File("c:/test.txt");

              if (file.isFile() && file.exists()) {

                 InputStreamReader read = new InputStreamReader(new FileInputStream(file));

                 BufferedReader br = new BufferedReader(read);

                 String lineTXT = null;

                 while ((lineTXT = br.readLine()) != null) {

                     System.out.println(lineTXT );

                 }

                 read.close();

              }

          } catch (Exception e) {

              e.printStackTrace();

          }

     }

     //写入文本文件

     public static void writeTxt(){

         try{

              File file = new File("c:/aa.txt");

              if(!file.exists()){

                  file.createNewFile();

              }

              FileWriter fw = new FileWriter(file);

              BufferedWriter bw = new BufferedWriter(fw);

              bw.write("aaaaaaaaa");

              bw.newLine();

              bw.write("bbbbbbbbb");

              bw.flush();

              bw.close();

              fw.close();

         }catch(Exception e){

            e.printStackTrace();

         }

     }

     public static void main(String[] args) {

         readTxt();

         writeTxt();

     }

 }