Java读写文本文件操作

编程技术  /  houtizong 发布于 3年前   60

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();}}