import java.io.*;

public class FileOperate {

public FileOperate() {

}

/**

* 新建目录

* @param folderPath String 如 c:/fqf

* @return boolean

*/

public void newFolder(String folderPath) {

try {

String filePath = folderPath;

filePath = filePath.toString();

java.io.File myFilePath = new java.io.File(filePath);

if (!myFilePath.exists()) {

myFilePath.mkdir();

}

}

catch (Exception e) {

System.out.println( "新建目录操作出错 ");

e.printStackTrace();

}

}

/**

* 新建文件

* @param filePathAndName String 文件路径及名称 如c:/fqf.txt

* @param fileContent String 文件内容

* @return boolean

*/

public void newFile(String filePathAndName, String fileContent) {

try {

String filePath = filePathAndName;

filePath = filePath.toString();

File myFilePath = new File(filePath);

if (!myFilePath.exists()) {

myFilePath.createNewFile();

}

FileWriter resultFile = new FileWriter(myFilePath);

PrintWriter myFile = new PrintWriter(resultFile);

String strContent = fileContent;

myFile.println(strContent);

resultFile.close();

}

catch (Exception e) {

System.out.println( "新建目录操作出错 ");

e.printStackTrace();

}

}

/**

* 删除文件

* @param filePathAndName String 文件路径及名称 如c:/fqf.txt

* @param fileContent String

* @return boolean

*/

public void delFile(String filePathAndName) {

try {

String filePath = filePathAndName;

filePath = filePath.toString();

java.io.File myDelFile = new java.io.File(filePath);

myDelFile.delete();

}

catch (Exception e) {

System.out.println( "删除文件操作出错 ");

e.printStackTrace();

}

}

/**

* 删除文件夹

* @param filePathAndName String 文件夹路径及名称 如c:/fqf

* @param fileContent String

* @return boolean

*/

public void delFolder(String folderPath) {

try {

delAllFile(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) {

System.out.println( "删除文件夹操作出错 ");

e.printStackTrace();

}

}

/**

* 删除文件夹里面的所有文件

* @param path String 文件夹路径 如 c:/fqf

*/

public void delAllFile(String path) {

File file = new File(path);

if (!file.exists()) {

return;

}

if (!file.isDirectory()) {

return;

}

String[] tempList = file.list();

File temp = null;

for (int i = 0; i < tempList.length; i++) {

if (path.endsWith(File.separator)) {

temp = new File(path + tempList[i]);

}

else {

temp = new File(path + File.separator + tempList[i]);

}

if (temp.isFile()) {

temp.delete();

}

if (temp.isDirectory()) {

delAllFile(path+ "/ "+ tempList[i]);//先删除文件夹里面的文件

delFolder(path+ "/ "+ tempList[i]);//再删除空文件夹

}

}

}

/**

* 复制单个文件

* @param oldPath String 原文件路径 如：c:/fqf.txt

* @param newPath String 复制后路径 如：f:/fqf.txt

* @return boolean

*/

public void copyFile(String oldPath, String newPath) {

try {

int bytesum = 0;

int byteread = 0;

File oldfile = new File(oldPath);

if (oldfile.exists()) { //文件存在时

InputStream inStream = new FileInputStream(oldPath); //读入原文件

FileOutputStream fs = new FileOutputStream(newPath);

byte[] buffer = new byte[1444];

int length;

while ( (byteread = inStream.read(buffer)) != -1) {

bytesum += byteread; //字节数 文件大小

System.out.println(bytesum);

fs.write(buffer, 0, byteread);

}

inStream.close();

}

}

catch (Exception e) {

System.out.println( "复制单个文件操作出错 ");

e.printStackTrace();

}

}

/**

* 复制整个文件夹内容

* @param oldPath String 原文件路径 如：c:/fqf

* @param newPath String 复制后路径 如：f:/fqf/ff

* @return boolean

*/

public void copyFolder(String oldPath, String newPath) {

try {

(new File(newPath)).mkdirs(); //如果文件夹不存在 则建立新文件夹

File a=new File(oldPath);

String[] file=a.list();

File temp=null;

for (int i = 0; i < file.length; i++) {

if(oldPath.endsWith(File.separator)){

temp=new File(oldPath+file[i]);

}

else{

temp=new File(oldPath+File.separator+file[i]);

}

if(temp.isFile()){

FileInputStream input = new FileInputStream(temp);

FileOutputStream output = new FileOutputStream(newPath + "/ " +

(temp.getName()).toString());

byte[] b = new byte[1024 * 5];

int len;

while ( (len = input.read(b)) != -1) {

output.write(b, 0, len);

}

output.flush();

output.close();

input.close();

}

if(temp.isDirectory()){//如果是子文件夹

copyFolder(oldPath+ "/ "+file[i],newPath+ "/ "+file[i]);

}

}

}

catch (Exception e) {

System.out.println( "复制整个文件夹内容操作出错 ");

e.printStackTrace();

}

}

/**

* 移动文件到指定目录

* @param oldPath String 如：c:/fqf.txt

* @param newPath String 如：d:/fqf.txt

*/

public void moveFile(String oldPath, String newPath) {

copyFile(oldPath, newPath);

delFile(oldPath);

}

/**

* 移动文件到指定目录

* @param oldPath String 如：c:/fqf.txt

* @param newPath String 如：d:/fqf.txt

*/

public void moveFolder(String oldPath, String newPath) {

copyFolder(oldPath, newPath);

delFolder(oldPath);

}

}