package test;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class CopyDirectory {
public static void main(String[] args) {
//复制D盘下的bbs目录到 D盘下的bb2/mms1下
CopyDirectory.copyFileOrDir("C://Users//hp//Desktop//EMR//EMR", "D://Test"); //C:\Users\hp\Desktop\EMR
CopyDirectory.DeleteFile("C://Users//hp//Desktop//EMR//EMR");
CopyDirectory.DeleteFolder("C://Users//hp//Desktop//EMR//EMR");
}
/**
* @Description: 整合两个操作，一个是文件夹的所有目录，然后复制目录下的所有文件到相应的目录
* @param srcPath 需要复制的目录
* @param targetPath 复制到哪里
* @author cxh
*/
public static void copyFileOrDir(String srcPath, String targetPath){
parseDir(srcPath,targetPath);
copyAllFile(srcPath, targetPath);
}
public static void copyAllFile(String srcPath, String targetPath){
File f = new File(srcPath);
File[] fileList = f.listFiles();
for(File f1 : fileList){
if(f1.isFile()) {
CopyDirectory.copyFile(srcPath + "//" + f1.getName(), targetPath + "//" + f1.getName());
}
//判断是否是目录
if(f1.isDirectory()) {
copyAllFile(f1.getPath().toString(), targetPath + "//" + f1.getName());
}
}
}
/**
* @Description: 通过字节流复制一个文件
* @param src 源文件的路径
* @param target 目标文件的路径
* @author cxh
*/
public static void copyFile(String src, String target){
InputStream is = null;
OutputStream os = null;
try {
is = new FileInputStream(src);
os = new FileOutputStream(target);
byte[] buff = new byte[1024];
int len = 0;
while((len = is.read(buff, 0, buff.length)) != -1) {
os.write(buff, 0, len);
}
System.out.println("文件拷贝成功！");
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
if(os!=null){
try {
os.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
if(is!=null){
try {
is.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
}
/**
* @Description: 复制一个目录下的所有目录文件（只复制目录结构）
* @param pathName 需要复制的目标目录
* @param target 生成的目标文件目录
* @author cxh
*/
public static void parseDir(String pathName, String target){
//创建一个新的目录
File targetFile = new File(target);
if(!targetFile.exists()) {
targetFile.mkdirs();
}
//创建一个抽象路径
File file = new File(pathName);
if(file.isDirectory()){
File[] files = file.listFiles();
for(File f : files){
if(f.isDirectory()) {
parseDir(f.getPath(), target + "//" + f.getName());
}
}
}
}
//删除指定文件夹下所有文件
//param path 文件夹完整绝对路径
public static boolean DeleteFile(String pathName){
boolean flag = false;
File file = new File(pathName);
if (!file.exists()) {
return flag;
}
if (!file.isDirectory()) {
return flag;
}
String[] tempList = file.list();
File temp = null;
for (int i = 0; i < tempList.length; i++) {
if (pathName.endsWith(File.separator)) {
temp = new File(pathName + tempList[i]);
} else {
temp = new File(pathName + File.separator + tempList[i]);
}
if (temp.isFile()) {
temp.delete();
}
if (temp.isDirectory()) {
DeleteFile(pathName + "/" + tempList[i]);//先删除文件夹里面的文件
flag = true;
}
}
return flag;
}
//删除文件夹
//param folderPath 文件夹完整绝对路径
public static void DeleteFolder(String folderPath) {
try {
DeleteFile(folderPath); //删除完里面所有内容
String filePath = folderPath;
filePath = filePath.toString();
java.io.File myFilePath = new java.io.File(filePath);
myFilePath.delete(); //删除空文件夹
} catch (Exception e) {
e.printStackTrace();
}
}
}
