java基础——文件（夹）复制操作

package stream;
import character.Hero;

import java.io.*;
import java.nio.charset.Charset;
import java.util.Scanner;

public class TestStream {
    public static void main(String[] args) {
        String srcFile = "d:/test/lol.txt";
        String destFile = "d:/test/lolnew.txt";
        //copyFile(srcFile,destFile);
        copyFolder("d:/test/skin","d:/test/skinnew");

    }

	//复制文件
    public static void copyFile(String srcFile,String destFile){
        File src = new File(srcFile);
        if(src.isDirectory()){
            return;
        }
        File dest = new File(destFile);
        String srcFileContent = null;

        try(FileReader fr = new FileReader(src)){
            char[] cs = new char[(int)src.length()];
            fr.read(cs);
            srcFileContent = new String(cs);

        }catch(IOException e){
            e.printStackTrace();
        }

        try(FileWriter fw = new FileWriter(dest)){
            fw.write(srcFileContent);

        }catch(IOException e){
            e.printStackTrace();
        }
    }

	//复制文件夹
    public static void copyFolder(String srcPath,String destPath){
        File srcFolder = new File(srcPath);
        File destFolder = new File(destPath);

        if(!srcFolder.exists()){
            return;
        }
        if(!srcFolder.isDirectory()){
            return;
        }
        if(destFolder.isFile()){
            return;
        }
        if(!destFolder.exists()){
            destFolder.mkdirs();
        }
        File[] files = srcFolder.listFiles();//遍历文件
        for(File srcFile:files){
            if(srcFile.isFile()){//判断是否是文件
                File newFile = new File(destFolder,srcFile.getName());
                copyFile(srcFile.getAbsolutePath(),newFile.getAbsolutePath());
            }
            if(srcFile.isDirectory()){//判断是否是文件夹。递归
                File newDestFolder = new File(destFolder,srcFile.getName());
                copyFolder(srcFile.getAbsolutePath(),newDestFolder.getAbsolutePath());
            }
        }
    }
}