远程写FTP文件和文件夹，jar包commons-net-3.3.jar
/**
* 向ftp写文件，可以多个
* @param c
* @param path :a/pdf/82jf2ijf2fs
* @param files
* @return
*/
public static boolean writeFTPFiles(FTPConnection c,String path,List<File> files){
FTPClient ftp = new FTPClient();
try {
ftp.connect(c.getIp(), c.getPort()); // IP地址和端口
// 用户名和密码，匿名登陆的话用户名为anonymous,密码为非空字符串
boolean bool = ftp.login(c.getUsername(),c.getPassword());
if (!bool) {
throw new Exception("username or password not correct!");
}
System.out.print(ftp.getReplyString());
int reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
throw new Exception("FTP server refused connection.");
}
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
ftp.changeWorkingDirectory(c.getDirectory());
String[]ps = path.split("/");
for (String p : ps) {
String[]arr = ftp.listNames();
List<String> list = Arrays.asList(arr);
if (!list.contains(p)) {
ftp.makeDirectory(p);
}
ftp.changeWorkingDirectory(p);
}
// ftp.changeToParentDirectory()
for (File file : files) {
// String text = read(file, "iso-8859-1");
// InputStream in = new ByteArrayInputStream(text.getBytes("iso-8859-1"));
InputStream in = new FileInputStream(file);
ftp.storeFile(new String(file.getName().getBytes("utf-8"),"iso-8859-1"), in);
in.close();
}
ftp.logout();
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}finally{
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
/**
* 复制文件夹及内容到ftp上
* @param c
* @param path :a/pdf/82jf2ijf2fs
* @param directory
* @return
*/
public static boolean writeFTPDirectory(FTPConnection c,String path,File directory){
FTPClient ftp = new FTPClient();
try {
ftp.connect(c.getIp(), c.getPort()); // IP地址和端口
boolean bool = ftp.login(c.getUsername(),c.getPassword()); // 用户名和密码，匿名登陆的话用户名为anonymous,密码为非空字符串
if (!bool) {
throw new Exception("username or password not correct!");
}
System.out.print(ftp.getReplyString());
int reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
throw new Exception("FTP server refused connection.");
}
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
ftp.changeWorkingDirectory(c.getDirectory());
if (StringUtil.toString(path, null)!=null) {
String[]ps = path.split("/");
for (String p : ps) {
String[]arr = ftp.listNames();
List<String> list = Arrays.asList(arr);
if (!list.contains(p)) {
ftp.makeDirectory(p);
}
ftp.changeWorkingDirectory(p);
}
}
// ftp.changeToParentDirectory()
ftp.makeDirectory(directory.getName());
ftp.changeWorkingDirectory(directory.getName());
File[] files = directory.listFiles();
for (File file : files) {
// String text = read(file, "iso-8859-1");
// InputStream in = new ByteArrayInputStream(text.getBytes("iso-8859-1"));
InputStream in = new FileInputStream(file);
ftp.storeFile(new String(file.getName().getBytes("utf-8"),"iso-8859-1"), in);
in.close();
}
ftp.logout();
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}finally{
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
/**
* 读取ftp文件内容
* @param c
* @param f
* @return
*/
public static String readFTPFile(FTPConnection c,String path,String f){
try {
FTPClient ftp = new FTPClient();
ftp.setControlKeepAliveTimeout(6000); // set timeout to 6s
ftp.connect(c.getIp(), c.getPort()); // IP地址和端口
boolean bool = ftp.login(c.getUsername(),c.getPassword()); // 用户名和密码，匿名登陆的话用户名为anonymous,密码为非空字符串
if (!bool) {
throw new Exception("username or password not correct!");
}
System.out.print(ftp.getReplyString());
int reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
throw new Exception("FTP server refused connection.");
}
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
ftp.changeWorkingDirectory(c.getDirectory());
String[]ps = path.split("/");
for (String p : ps) {
String[]arr = ftp.listNames();
List<String> list = Arrays.asList(arr);
if (!list.contains(p)) {
ftp.makeDirectory(p);
}
ftp.changeWorkingDirectory(p);
}
InputStream in = ftp.retrieveFileStream(f);
InputStreamReader isr = new InputStreamReader(in,"GBK");
BufferedReader br = new BufferedReader(isr);
StringBuffer sb = new StringBuffer();
String str = null;
while ((str=br.readLine())!=null) {
sb.append(str);
sb.append("\n");
}
br.close();
isr.close();
in.close();
ftp.logout();
String content = sb.toString();
// System.out.println(content);
return content;
} catch (Exception e) {
e.printStackTrace();
return "";
}
}
/**
* 读取ftp文件内容,写到本地
* @param c
* @param f 文件名
* @param localFile 本地文件path
* @return
*/
public static boolean writeLocalFile(FTPConnection c,String path,String f,String localFile){
try {
FTPClient ftp = new FTPClient();
ftp.setControlKeepAliveTimeout(6000); // set timeout to 6s
ftp.connect(c.getIp(), c.getPort()); // IP地址和端口
boolean bool = ftp.login(c.getUsername(),c.getPassword()); // 用户名和密码，匿名登陆的话用户名为anonymous,密码为非空字符串
if (!bool) {
throw new Exception("username or password not correct!");
}
System.out.print(ftp.getReplyString());
int reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
throw new Exception("FTP server refused connection.");
}
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
ftp.changeWorkingDirectory(c.getDirectory());
String[]ps = path.split("/");
for (String p : ps) {
String[]arr = ftp.listNames();
List<String> list = Arrays.asList(arr);
if (!list.contains(p)) {
return false;
}
ftp.changeWorkingDirectory(p);
}
InputStream in = ftp.retrieveFileStream(f);
if (in==null) {
return false;
}
OutputStream out = new FileOutputStream(localFile);
int ch = -1;
while ((ch=in.read())!=-1) {
out.write(ch);
}
in.close();
out.close();
File file = new File(localFile);
if (file.exists()) {
return true;
}else{
return false;
}
} catch (Exception e) {
// e.printStackTrace();
System.out.println(e.getMessage());
return false;
}
}
/**
* 读取ftp文件内容,写到本地
* @param c
* @param f 文件名
* @param localFile 本地文件path
* @return
*/
public static boolean existFTPFile(FTPConnection c,String path,String f){
try {
FTPClient ftp = new FTPClient();
ftp.setControlKeepAliveTimeout(6000); // set timeout to 6s
ftp.connect(c.getIp(), c.getPort()); // IP地址和端口
boolean bool = ftp.login(c.getUsername(),c.getPassword()); // 用户名和密码，匿名登陆的话用户名为anonymous,密码为非空字符串
if (!bool) {
throw new Exception("username or password not correct!");
}
System.out.print(ftp.getReplyString());
int reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
throw new Exception("FTP server refused connection.");
}
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
ftp.changeWorkingDirectory(c.getDirectory());
String[]ps = path.split("/");
for (String p : ps) {
String[]arr = ftp.listNames();
List<String> list = Arrays.asList(arr);
if (!list.contains(p)) {
return false;
}
ftp.changeWorkingDirectory(p);
}
InputStream in = ftp.retrieveFileStream(f);
if (in==null) {
return false;
}else{
in.close();
return true;
}
} catch (Exception e) {
// e.printStackTrace();
System.out.println(e.getMessage());
return false;
}
}
/**
*
* @param c
* @param path 父路径
* @param file :文件夹名或者文件名
* @param type :1-文件夹，2-文件
*/
public static void deleteFTPFile(FTPConnection c,String path,String file,int type){
FTPClient ftp = new FTPClient();
try {
ftp.connect(c.getIp(), c.getPort()); // IP地址和端口
boolean bool = ftp.login(c.getUsername(),c.getPassword()); // 用户名和密码，匿名登陆的话用户名为anonymous,密码为非空字符串
if (!bool) {
throw new Exception("username or password not correct!");
}
System.out.print(ftp.getReplyString());
int reply = ftp.getReplyCode();
if (!FTPReply.isPositiveCompletion(reply)) {
ftp.disconnect();
throw new Exception("FTP server refused connection.");
}
ftp.setFileType(FTPClient.BINARY_FILE_TYPE);
ftp.changeWorkingDirectory(c.getDirectory());
if (StringUtil.toString(path, null)!=null) {
String[]ps = path.split("/");
for (String p : ps) {
String[]arr = ftp.listNames();
List<String> list = Arrays.asList(arr);
if (!list.contains(p)) {
ftp.makeDirectory(p);
}
ftp.changeWorkingDirectory(p);
}
}
if (type==1) {
deleteRecursive(ftp, file);
}else if (type==2) {
ftp.deleteFile(file);
}
ftp.logout();
} catch (Exception e) {
e.printStackTrace();
}finally{
if (ftp.isConnected()) {
try {
ftp.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
/**
* 递归删除所有文件
* @param ftp
* @param file
* @throws IOException
*/
public static void deleteRecursive(FTPClient ftp,String file) throws IOException{
ftp.changeWorkingDirectory(file);
FTPFile[]fs = ftp.listFiles();
for (FTPFile f : fs) {
ftp.deleteFile(f.getName());
}
FTPFile[]ds = ftp.listDirectories();
for (FTPFile d : ds) {
deleteRecursive(ftp,d.getName());
}
ftp.changeToParentDirectory();
ftp.removeDirectory(file);
}
public class FTPConnection {
private String ip;
private int port;
private String username;
private String password;
private String directory;
}