package java_Files;

import java.io.*;

public class TxtFileWrite {

public static void main(String[] args) {

// TODO Auto-generated method stub

// 尽量采用try-source 写法

writeFile1();

System.out.println("===================");

// writeFile2();JDk 7以上可以使用

}

public static void writeFile1() {

FileOutputStream fos = null;// 节点类，负责写字节

OutputStreamWriter osw = null;// 转化类，负责字符到字节的转化

BufferedWriter bw = null;// 装饰类，负责写字符到缓存区

// 三者的关系BufferedWriter（OutputStreamWriter（FileOutputStream））

try {

fos = new FileOutputStream("c:/temp/abc.txt"); // 节点类

osw = new OutputStreamWriter(fos, "UTF-8"); // 转化类

bw = new BufferedWriter(osw); // 装饰类

bw.write("我们是");

bw.newLine();

bw.write("Ecnuers.^^");

bw.newLine();

} catch (Exception ex) {

ex.printStackTrace();

} finally {

try {

bw.close(); // 关闭最后一个类，会将所有底层流都关闭

} catch (Exception ex) {

ex.printStackTrace();

}

}

}

public static void writeFile2() {

// try-resource 自动关闭资源 java1.7以上可以使用

try (BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("c:/temp/abc.txt")))) {

bw.write("������");

bw.newLine();

bw.write("Ecnuers.^^");

bw.newLine();

} catch (Exception ex) {

ex.printStackTrace();

}

}

}