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  • java--递归拷贝目录

    package com.test;

    import java.io.BufferedInputStream;
    import java.io.BufferedOutputStream;
    import java.io.File;
    import java.io.FileInputStream;
    import java.io.FileNotFoundException;
    import java.io.FileOutputStream;
    import java.io.IOException;

    import com.DIGUI;

    public class test_4 {

    public static void main(String[] args) throws IOException {
    	File src =getDir();
    	File dest =getDir();
    	copy(src,dest);
    }
    public static void copy(File src , File dest) throws IOException {
    	File newDir=new File(dest,src.getName());
    	newDir.mkdir();
    	File[] subFiles =src.listFiles();
    	for (File file : subFiles) {
    		if(file.isFile()) {
    			BufferedInputStream bis =new BufferedInputStream(new FileInputStream(file));
    			BufferedOutputStream bos =new BufferedOutputStream(new FileOutputStream(new File(newDir,file.getName())));
    			int b;
    			while((b=bis.read()) != -1) {
    				bos.write(b);
    			}
    			bis.close();
    			bos.close();
    		}else {
    			copy(file,newDir);
    		}
    	}
    }
      	public static File getDir() {
    	System.out.println("please:");
    	Scanner sc =new Scanner(System.in); 
    	while(true) {
    		String line = sc.nextLine();
    		File dir =new File(line);
    		if(!dir.exists()) {
    			System.out.println("路基不存在");
    		}else if(dir.isFile()) {
    			System.out.println("是文件");
    		}else {
    			return dir;
    		}
    	}
    }
    ******************************人因为有理想、梦想而变得伟大,而真正伟大就是不断努力实现理想、梦想*****************************
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  • 原文地址:https://www.cnblogs.com/cloudLi/p/13073659.html
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