javaf 移动文件到指定的位置Files.move 覆盖之前同名文件

import java.io.File;
import java.io.IOException;
import java.nio.file.*;
 
public class TestMoveFile {
    public static void main(String[] args)throws Exception {
        String temp="G:\\test\\1111.txt";
        String targetTemp=temp.substring(0,temp.lastIndexOf(File.separator)+1)+"backuptar";
        //System.out.println(targetTemp+"111111111111111111====================");
        //+temp.substring(temp.lastIndexOf("/"),temp.length());
                          //temp.substring(0,temp.lastIndexOf("/")+1)+"backuptar"+temp.substring(temp.lastIndexOf("/"),temp.length())
        System.out.println(targetTemp);
        File targetPart=new File(targetTemp);
        if(!targetPart.exists()){
            targetPart.mkdirs();
        }
        targetTemp=targetTemp+File.separator+temp.substring(temp.lastIndexOf(File.separator)+1,temp.length());
        System.out.println(targetTemp+"222222222222==========================");
        Path sourcePath = Paths.get(temp);
        Path targetPath = Paths.get(targetTemp);
        try {
            Files.move(sourcePath, targetPath, StandardCopyOption.ATOMIC_MOVE);
            System.out.println("成功了");
        } catch (IOException e) {
            System.out.println("失败了");
            e.printStackTrace();
        }
    }
}