filetest_hua.java

来自「java的团队合作代码」· Java 代码 · 共 40 行

package com.jk.io;
import java.io.*;
//读文件d:/radwtmp,将读到的内容一行一行显示在控制台上
//写文件：定义一个字符串，将其写入到文件中，持久保存
public class FileTest_hua {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try {
			FileInputStream is=new FileInputStream("d:/radwtmp");
			InputStreamReader isr=new InputStreamReader(is);
			BufferedReader br=new BufferedReader(isr);
			String data="";
			while((data=br.readLine())!=null){
				System.out.println(data);
			}
			String str="我要看功夫熊猫!!";
			FileOutputStream fos=new FileOutputStream("d:/mytest.txt");
			OutputStreamWriter osw=new OutputStreamWriter(fos);
			BufferedWriter bw=new BufferedWriter(osw);
			bw.write(str,0,str.length());
			br.close();
			is.close();
			isr.close();
			bw.flush();//清空缓存区
			bw.close();
			osw.close();
			fos.close();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}

}