FileOperate.java
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);
}
}
MergeFile.java
import java.io.*;
import java.util.*;
public class MergeFile {
//private String srcfile;
private String descfile="E:\\merge";
MergeFile(){
}
public void merge(List<File> srcfiles,String descfile){
if(descfile!=null&&!descfile.isEmpty()){
this.descfile=descfile;
}
File mergefile=new File(descfile);
if(!mergefile.exists()){
mergefile.mkdirs();
}
for(File file:srcfiles){
if(file!=null){
for(File fille2:file.listFiles()){
try {
recursion( file.getPath(), fille2);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
public void recursion(String root,File vFile) throws IOException{
if(vFile.isFile()){
File descfile=new File(getRelativePath(root,vFile.getPath()));
copy( vFile, descfile);
}
else {
/*System.out.println(" path="+vFile.getPath());
System.out.println("CanonicalPath="+vFile.getCanonicalPath());
System.out.println(" absolutePath="+vFile.getAbsolutePath());
System.out.println(" relativePath="+getRelativePath(root,vFile.getPath()));*/
File directoryFile=new File(getRelativePath(root,vFile.getPath()));
if(!directoryFile.exists()){
directoryFile.mkdir();
}
File[] files=vFile.listFiles();
if(files!=null && files.length>0){
for(File file:files){
recursion(root,file);
}
}
else{
return;
}
}
}
/**
* 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();
}
}
public void copy(File srcFile,File descFile){
copyFile( srcFile.getPath(), descFile.getPath());
/*FileOutputStream out=null;
FileInputStream in=null;
try {
out=new FileOutputStream(descFile);
in=new FileInputStream(srcFile);
byte[] buffer=new byte[1024*8];
while(in.read(buffer)!=-1){
out.write(buffer);
out.flush();
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
finally{
try {
if(in!=null){
in.close();
}
if(out!=null){
out.flush();
out.close();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}*/
}
public String getRelativePath(String root,String file){
return descfile+file.substring(root.length());
}
public static void main(String[] args){
List<File> files=new ArrayList<File>();
/*files.add(new File("E:\\test\\AppFramework.src"));
files.add(new File("E:\\test\\javaws.src"));
files.add(new File("E:\\test\\swing-worker.src"));
files.add(new File("E:\\test\\swingx.src"));
files.add(new File("E:\\test\\TimingFramework.src"));
files.add(new File("C:\\Documents and Settings\\Administrator\\桌面\\新建文件夹 (2)\\SwingSet3"));
*/
files.add(new File("E:\\test2\\a"));
files.add(new File("E:\\test2\\b"));
new MergeFile().merge(files, "E:\\merge2");
System.out.println("merge成功！");
}
}