JAVA 文件拷贝（文件字符输入流&文件字符输出流）--java(七)

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;

/**
 *     文件字符输入流&文件字符输出流
 *
 */
public class IOtest04 {
    public static void main(String[] args) {
        copyFile("D:\\JAVA重拾\\test1\\test01\\aaa.txt", "D:\\JAVA重拾\\test1\\test01\\ddd.txt");
    }
    
    public static void copyFile(String yuan,String fu) {
        File file = new File(yuan);
        File files = new File(fu);
        Writer fos = null;
        Reader fis = null;
        try {
            fis = new FileReader(file);
            fos = new FileWriter(files);
            int a ;
27             char[] flush = new char[1024];//缓冲容器
28             while((a = fis.read(flush)) != -1) {
29                 fos.write(flush);
30                 fos.flush();
31             }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                if(fos!=null) {
                    fos.close();
                }
                if(fis!=null) {
                    fis.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}