Java 字节流实现文件读写操作（InputStream-OutputStream）

Java 字节流实现文件读写操作（InputStream-OutputStream）

备注：字节流比字符流底层，但是效率底下。

字符流地址：http://pengyan5945.iteye.com/blog/1092354

package com.frank.io;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

/**

 * author:pengyan

 * date:Jun 15, 2011

 * file:InputOutputStreamTest.java

 */

public class InputOutputStreamTest{

	File f=new File("F:\\abc.txt");

	public static void main(String[] args) throws Exception{

		InputOutputStreamTest test=new InputOutputStreamTest();

		test.outputFile("Java字节流读写文件测试!");

		test.inputFile();

	}

	private void inputFile() throws IOException{

		//reate FileInputStream with file

		FileInputStream fis=new FileInputStream(f);

		//in order to receive the value of this stream read every time

		int temp=0;

		//the all content of this stream read

		String str="";

		while((temp=fis.read())!=-1){

			//if not end,the total content add the value of the stream read this time

			str+=(char)temp;

		}

		//create a new String object with the correct encode

		System.out.println("文件内容："+new String(str.getBytes("ISO-8859-1")));

	}

	private void outputFile(String content) throws IOException {

		if (f.exists()==false) {

			f.createNewFile();//create file if not exist

		}

		//create FileOutputStream with file

		FileOutputStream fos=new FileOutputStream(f);

		//output file

		fos.write(content.getBytes());

		//flush this stream

		fos.flush();

		//close this stream

		fos.close();

	}

}

巴特西

Java 字节流实现文件读写操作（InputStream-OutputStream）

最新文章

热门文章