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代码:
- package cn.xiaohong;
- import java.io.BufferedInputStream;
- import java.io.BufferedOutputStream;
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- /*
- * 复制多级目录
- */
- public class DiGuiCopyFolder {
- public static void main(String[] args) {
- // 封装源文件夹对象
- File srcFolder = new File("E:/aa");
- // 封装目标文件夹对象
- File deskFolder = new File("D:/");
- // 创建一个拷贝文件夹的方法
- copyFolder(srcFolder, deskFolder);
- System.out.println("拷贝成功");
- }
- private static void copyFolder(File srcFolder, File deskFolder) {
- // 源文件是否是标准文件
- if (srcFolder.isFile()) {
- //是源文件就拷贝
- //创建和源文件同样名字的文件
- File deskFile = new File(deskFolder, srcFolder.getName());
- copyFile(srcFolder, deskFile);
- } else {
- //如果不是就是文件夹
- //在目标文件夹中创建同样名字的子文件夹
- deskFolder = new File(deskFolder, srcFolder.getName());
- deskFolder.mkdir();
- //获取子文件夹对象
- File[] files = srcFolder.listFiles();
- //遍历子文件对象,再进行拷贝文件夹
- for (File srcFile : files) {
- copyFile(srcFile, deskFolder);
- }
- }
- }
- public static void copyFile(File srcFile, File deskFile) {
- try (BufferedInputStream bis = new BufferedInputStream(new FileInputStream(srcFile));
- BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(deskFile));) {
- byte[] buf = new byte[1024];
- int len = -1;
- while ((len = bis.read(buf)) != -1) {
- bos.write(buf, 0, len);
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- }
复制代码
报错:
- java.io.FileNotFoundException: D:\aa (拒绝访问。)
- at java.io.FileOutputStream.open0(Native Method)
- at java.io.FileOutputStream.open(Unknown Source)
- at java.io.FileOutputStream.<init>(Unknown Source)
- at java.io.FileOutputStream.<init>(Unknown Source)
- at cn.xiaohong.DiGuiCopyFolder.copyFile(DiGuiCopyFolder.java:51)
- at cn.xiaohong.DiGuiCopyFolder.copyFolder(DiGuiCopyFolder.java:43)
- at cn.xiaohong.DiGuiCopyFolder.main(DiGuiCopyFolder.java:21)
- java.io.FileNotFoundException: D:\aa (拒绝访问。)
- at java.io.FileOutputStream.open0(Native Method)
- at java.io.FileOutputStream.open(Unknown Source)
- at java.io.FileOutputStream.<init>(Unknown Source)
- at java.io.FileOutputStream.<init>(Unknown Source)
- at cn.xiaohong.DiGuiCopyFolder.copyFile(DiGuiCopyFolder.java:51)
- at cn.xiaohong.DiGuiCopyFolder.copyFolder(DiGuiCopyFolder.java:43)
- at cn.xiaohong.DiGuiCopyFolder.main(DiGuiCopyFolder.java:21)
- java.io.FileNotFoundException: E:\aa\bb (拒绝访问。)
- at java.io.FileInputStream.open0(Native Method)
- at java.io.FileInputStream.open(Unknown Source)
- at java.io.FileInputStream.<init>(Unknown Source)
- at cn.xiaohong.DiGuiCopyFolder.copyFile(DiGuiCopyFolder.java:50)
- at cn.xiaohong.DiGuiCopyFolder.copyFolder(DiGuiCopyFolder.java:43)
- at cn.xiaohong.DiGuiCopyFolder.main(DiGuiCopyFolder.java:21)
- java.io.FileNotFoundException: D:\aa (拒绝访问。)
- at java.io.FileOutputStream.open0(Native Method)
- at java.io.FileOutputStream.open(Unknown Source)
- at java.io.FileOutputStream.<init>(Unknown Source)
- at java.io.FileOutputStream.<init>(Unknown Source)
- at cn.xiaohong.DiGuiCopyFolder.copyFile(DiGuiCopyFolder.java:51)
- at cn.xiaohong.DiGuiCopyFolder.copyFolder(DiGuiCopyFolder.java:43)
- at cn.xiaohong.DiGuiCopyFolder.main(DiGuiCopyFolder.java:21)
- java.io.FileNotFoundException: D:\aa (拒绝访问。)
- at java.io.FileOutputStream.open0(Native Method)
- at java.io.FileOutputStream.open(Unknown Source)
- at java.io.FileOutputStream.<init>(Unknown Source)
- at java.io.FileOutputStream.<init>(Unknown Source)
- at cn.xiaohong.DiGuiCopyFolder.copyFile(DiGuiCopyFolder.java:51)
- at cn.xiaohong.DiGuiCopyFolder.copyFolder(DiGuiCopyFolder.java:43)
- at cn.xiaohong.DiGuiCopyFolder.main(DiGuiCopyFolder.java:21)
- 拷贝成功
复制代码
大伙来帮我看看
43行代码copyFile(srcFile, deskFolder);改成copyFolder(srcFile,deskFolder);还有50行和51行代码这里括号和大括号有点乱,需要调整下
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