Android打開FTP服務端。
這個功能還是很實用的,可以友善手機和電腦之間傳輸檔案。
這個功能其實也很容易,導入幾個包,加幾個權限,然後幾行代碼就搞定了。
一.導入幾個包:
1.ftpserver-core-1.0.6.jar
2.log4j-1.2.14.jar
3.mina-core-2.0.4.jar
4.slf4j-api-1.5.2.jar
5.slf4j-log4j12-1.5.2.jar
6.commons-net-3.0.1.jar
二.加幾個權限:
1.<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />(從存儲卡上讀取相關配置)
2.<uses-permission android:name="android.permission.INTERNET" />(沒有這個綁定端口的時候會失敗的)
三.幾行代碼:
/*
* Created by yy on 2016/11/3.
*/
public class FtpServerManager {
private static final String TAG = "FileUtil";
private static FtpServerManager instance = new FtpServerManager();
private FtpServerManager() {}//構造函數私有化防止建立執行個體
public static FtpServerManager getInstance() {
return instance;
}
private static FtpServer mFtpServer;
private static int port = 2222;// 端口号
private static String ftpConfigDir = Environment.getExternalStorageDirectory().getAbsolutePath() + "/ftpConfig/";
private static FtpServerFactory serverFactory;
public void initFTPServer() {
System.setProperty("java.net.preferIPv4Stack", "true");
serverFactory = new FtpServerFactory();
ListenerFactory factory = new ListenerFactory();
PropertiesUserManagerFactory userManagerFactory = new PropertiesUserManagerFactory();
String[] str = {"mkdir", ftpConfigDir};
try {
Process ps = Runtime.getRuntime().exec(str);
try {
ps.waitFor();
} catch (InterruptedException e) {
e.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
}
String filename = ftpConfigDir + "users.properties";
File files = new File(filename);
userManagerFactory.setFile(files);
serverFactory.setUserManager(userManagerFactory.createUserManager());
factory.setPort(port);
serverFactory.addListener("default", factory.createListener());
FtpServer server = serverFactory.createServer();
mFtpServer = server;
}
public void startFTPService() {
// Log.i(TAG, "通知: 開啟FTPService");
if (mFtpServer == null) {
// Log.i(TAG, "通知: mFtpServer為null");
mFtpServer = serverFactory.createServer();
try {
mFtpServer.start();
} catch (FtpException e) {
e.printStackTrace();
}
} else {
// Log.i(TAG, "通知: mFtpServer不為null");
if (mFtpServer.isStopped() == true) {
try {
mFtpServer.start();
// Log.i(TAG, "通知: 開啟FTPService===2");
} catch (FtpException e) {
e.printStackTrace();
}
}
}
// Log.i(TAG, "通知: mFtpServer.isStopped() " + mFtpServer.isStopped());
}
public void restartFTPService() {
Log.i(TAG, "通知: 重新開機FTPService");
if (mFtpServer != null) {
if (mFtpServer.isStopped() == false) {
mFtpServer.resume();
}
}
}
public void stopFTPService() {
Log.i(TAG, "通知: 關閉FTPService");
if (mFtpServer != null) {
Log.i(TAG, "通知: mFtpServer不為null");
if (mFtpServer.isStopped() == false) {
mFtpServer.stop();
Log.i(TAG, "mFtpServer.isStopped():" + mFtpServer.isStopped());
}
mFtpServer = null;
}
Log.i(TAG, "通知: 關閉成功");
}
}
四.使用說明:
1.在/sdcard/ftpConfig目錄下放入users.properties檔案,内容如下:
# Password is "admin"
ftpserver.user.admin.userpassword=21232F297A57A5A743894A0E4A801FC3
ftpserver.user.admin.homedirectory=/sdcard/
ftpserver.user.admin.enableflag=true
ftpserver.user.admin.writepermission=true
ftpserver.user.admin.maxloginnumber=20
ftpserver.user.admin.maxloginperip=5
ftpserver.user.admin.idletime=300
ftpserver.user.admin.uploadrate=4800000
ftpserver.user.admin.downloadrate=4800000
2.調用時先初始化,再開始,最後停止。
3.長時間開始會導緻FTP服務有時不好用,可能跟android資源回收導緻,是以每一段時間可以選擇restart一下
恩,就到這裡,随後寫一個demo上傳上來友善自己使用,GitHub位址如下:
https://github.com/yy4myself/FTPService.git
後面還會繼續維護,要改的地方還很多