android下使用FTP上传文件、下载文件、新建目录、删除文件工具类

说明：

其实安卓中很少用FTP和服务器进行交互，尤其还是文件的上传和下载操作，性能先不说，整个代码逻辑都很尴尬，基本都需要使用原生API进行操作。这里没有进行过多的封装，

只是完成功能而已，毕竟FTP不是安卓网络请求的主流。闲话不多说，上代码。

package com.hisign.util;import android.text.TextUtils;import android.util.Log;import com.hisign.qrcebpro.app.Constant;import com.hisign.qrcebpro.app.MyApplication;import com.hisign.qrcebpro.utils.LogUtil;import com.hisign.qrcebpro.utils.PreferenceUtil;import com.hisign.util.ZipUtils.IResultListener;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.OutputStream;import it.sauronsoftware.ftp4j.FTPAbortedException;import it.sauronsoftware.ftp4j.FTPClient;import it.sauronsoftware.ftp4j.FTPDataTransferException;import it.sauronsoftware.ftp4j.FTPDataTransferListener;import it.sauronsoftware.ftp4j.FTPException;import it.sauronsoftware.ftp4j.FTPIllegalReplyException;/** * hongzhen yu create at 2017/7/28 */public class FTPManager {    private static FTPManager instance;    private FTPManager() {    }    /**     * @return     * @throws     * @Title: getInstance     * @Description: 单例方式提供对象     */    public static FTPManager getInstance() {        if (instance == null) {            synchronized (FTPManager.class) {                if (instance == null) {                    instance = new FTPManager();                }            }        }        return instance;    }    public void ftp4jUpload(final String path, final IResultListener listener) {        new Thread() {            public void run() {                try {                    String targetName = ftp4jUpload(path);                    if (listener != null) {                        listener.onSuccess(targetName);                    }                } catch (IllegalStateException | IOException                        | FTPIllegalReplyException | FTPException                        | FTPDataTransferException | FTPAbortedException e) {                    e.printStackTrace();                    Log.d("lixm", "ftp4jUpload error : ", e);                    if (listener != null) {                        listener.onFilure(e.getMessage());                    }                }            }        }.start();    }    /**     * FTP协议文件上传     *     * @param path     * @throws FTPException     * @throws FTPIllegalReplyException     * @throws IOException     * @throws IllegalStateException     * @throws FTPAbortedException     * @throws FTPDataTransferException     */    public String ftp4jUpload(String path) throws IllegalStateException, IOException, FTPIllegalReplyException, FTPException, FTPDataTransferException, FTPAbortedException {        // 创建客户端        final FTPClient client = new FTPClient();        // 不指定端口，则使用默认端口21        String ip = PreferenceUtil.getNetworkIP(MyApplication.getMyApplication().getApplicationContext());        String rightIP = "192.168.128.52";        if (!TextUtils.isEmpty(ip)) {            String[] ipArr = ip.split("\\.");            if (ipArr != null && ipArr.length == 4) {                rightIP = ip;            }        }        int rightPort = 21;        String port = PreferenceUtil.getNetworkPort(MyApplication.getMyApplication().getApplicationContext());        if (!TextUtils.isEmpty(port)) {            rightPort = Integer.valueOf(rightPort);        }        client.connect(rightIP, rightPort);        // 用户登录        String user = PreferenceUtil.getNetworkUser(MyApplication.getMyApplication().getApplicationContext());        String rightUser = "test";        if (!TextUtils.isEmpty(user)) {            rightUser = user;        }        String pwd = PreferenceUtil.getNetworkPwd(MyApplication.getMyApplication().getApplicationContext());        String rightPwd = "test";        if (!TextUtils.isEmpty(pwd)) {            rightPwd = pwd;        }        client.login(rightUser, rightPwd);        String rightFilePath = "";        String filePath = PreferenceUtil.getNetworkFtpPath(MyApplication.getMyApplication().getApplicationContext());        if (!TextUtils.isEmpty(filePath)) {            rightFilePath = "/" + filePath + "/";            client.changeDirectory(rightFilePath+PreferenceUtil.getUserCode(MyApplication.getMyApplication())+"/");        }        File file = new File(path);        client.upload(file);        client.rename(srcName, targetName);        return targetName;    }    //从ftp服务器下载文件    public void ftpDownLoad( final FTPDataTransferListener listener) {        new Thread(new Runnable() {            @Override            public void run() {                // 创建客户端                final FTPClient client = new FTPClient();                //不指定IP的话，默认IP                String ip = PreferenceUtil.getNetworkIP(MyApplication.getMyApplication().getApplicationContext());                String rightIP = "192.168.128.52";                if (!TextUtils.isEmpty(ip)) {                    String[] ipArr = ip.split("\\.");                    if (ipArr != null && ipArr.length == 4) {                        rightIP = ip;                    }                }                // 不指定端口，则使用默认端口21                int rightPort = 21;                String port = PreferenceUtil.getNetworkPort(MyApplication.getMyApplication().getApplicationContext());                if (!TextUtils.isEmpty(port)) {                    rightPort = Integer.valueOf(rightPort);                }                try {                    client.connect(rightIP, rightPort);                    // 用户登录                    String user = PreferenceUtil.getNetworkUser(MyApplication.getMyApplication().getApplicationContext());                    String rightUser = "test";                    if (!TextUtils.isEmpty(user)) {                        rightUser = user;                    }                    String pwd = PreferenceUtil.getNetworkPwd(MyApplication.getMyApplication().getApplicationContext());                    String rightPwd = "test";                    if (!TextUtils.isEmpty(pwd)) {                        rightPwd = pwd;                    }                    client.login(rightUser, rightPwd);                    String pathFTP = "/" + "ZIP"+"/";                    String filePath = PreferenceUtil.getNetworkFtpPath(MyApplication.getMyApplication().getApplicationContext());                    if (!TextUtils.isEmpty(filePath)) {                        pathFTP = filePath + "/";                    }                    client.changeDirectory(pathFTP+PreferenceUtil.getUserCode(MyApplication.getMyApplication())+"/result");                    String[] strings = client.listNames();                    for (int i = 0; i < strings.length; i++) {                        Log.i("listfile", strings[i]);                        String name = strings[i];                        Log.i("file", name);                        File file = new File(Constant.RESUIT_PATH + name);                        // 输出流                        OutputStream outputStream = new FileOutputStream(file);                        client.download(name, outputStream, 0, listener);                        outputStream.close();                        client.logout();                    }                } catch (Exception e) {                }            }        }).start();    }    /**     * 在ftp服务器上创建指定目录     * @param     */    public void ftpMakeUserDir() {        new Thread(new Runnable() {            @Override            public void run() {                // 创建客户端                final FTPClient client = new FTPClient();                // 不指定端口，则使用默认端口21                String rightIP = "192.168.128.52";                String ip = PreferenceUtil.getNetworkIP(MyApplication.getMyApplication().getApplicationContext());                if (!TextUtils.isEmpty(ip)) {                    String[] ipArr = ip.split("\\.");                    if (ipArr != null && ipArr.length == 4) {                        rightIP = ip;                    }                }                int rightPort = 21;                String port = PreferenceUtil.getNetworkPort(MyApplication.getMyApplication().getApplicationContext());                if (!TextUtils.isEmpty(port)) {                    rightPort = Integer.valueOf(rightPort);                }                try {                    client.connect(rightIP, rightPort);//连接ftp服务器                    //配置用户名                    String user = PreferenceUtil.getNetworkUser(MyApplication.getMyApplication().getApplicationContext());                    String rightUser = "test";                    if (!TextUtils.isEmpty(user)) {                        rightUser = user;                    }                    //配置密码                    String pwd = PreferenceUtil.getNetworkPwd(MyApplication.getMyApplication().getApplicationContext());                    String rightPwd = "test";                    if (!TextUtils.isEmpty(pwd)) {                        rightPwd = pwd;                    }                    client.login(rightUser, rightPwd);//登录到ftp                    //配置ftp服务器根目录                    String pathFTP = "/" + "ZIP"+"/";                    String filePath = PreferenceUtil.getNetworkFtpPath(MyApplication.getMyApplication().getApplicationContext());                    if (!TextUtils.isEmpty(filePath)) {                        pathFTP = filePath + "/";                    }                    client.changeDirectory(pathFTP);                    //创建用户目录                    String userCode = PreferenceUtil.getUserCode(MyApplication.getMyApplication());                    if (!isDirExist(client, userCode)) {                        client.createDirectory(userCode);                        LogUtil.logI("创建目录成功");                    }                    LogUtil.logI("存在");                    client.logout();                } catch (IOException e) {                    e.printStackTrace();                } catch (FTPIllegalReplyException e) {                    e.printStackTrace();                } catch (FTPException e) {                    e.printStackTrace();                }            }        }).start();    }    public void ftpMakeResultDir() {        new Thread(new Runnable() {            @Override            public void run() {                // 创建客户端                final FTPClient client = new FTPClient();                // 不指定端口，则使用默认端口21                String rightIP = "192.168.128.52";                String ip = PreferenceUtil.getNetworkIP(MyApplication.getMyApplication().getApplicationContext());                if (!TextUtils.isEmpty(ip)) {                    String[] ipArr = ip.split("\\.");                    if (ipArr != null && ipArr.length == 4) {                        rightIP = ip;                    }                }                int rightPort = 21;                String port = PreferenceUtil.getNetworkPort(MyApplication.getMyApplication().getApplicationContext());                if (!TextUtils.isEmpty(port)) {                    rightPort = Integer.valueOf(rightPort);                }                try {                    client.connect(rightIP, rightPort);//连接ftp服务器                    //配置用户名                    String user = PreferenceUtil.getNetworkUser(MyApplication.getMyApplication().getApplicationContext());                    String rightUser = "test";                    if (!TextUtils.isEmpty(user)) {                        rightUser = user;                    }                    //配置密码                    String pwd = PreferenceUtil.getNetworkPwd(MyApplication.getMyApplication().getApplicationContext());                    String rightPwd = "test";                    if (!TextUtils.isEmpty(pwd)) {                        rightPwd = pwd;                    }                    client.login(rightUser, rightPwd);//登录到ftp                    //配置ftp服务器根目录                    String pathFTP = "/" + "ZIP"+"/";                    String filePath = PreferenceUtil.getNetworkFtpPath(MyApplication.getMyApplication().getApplicationContext());                    if (!TextUtils.isEmpty(filePath)) {                        pathFTP = filePath + "/";                    }                    //创建用户目录                    String userCode = PreferenceUtil.getUserCode(MyApplication.getMyApplication());                    String usrPath=pathFTP+userCode+"/";                    client.changeDirectory(usrPath);                    //创建用户目录下的result目录                    if (!isDirExist(client, "result")) {                        client.createDirectory("result");                        LogUtil.logI("resultPath创建目录成功");                    }                    LogUtil.logI("result存在");                    client.logout();                } catch (IOException e) {                    e.printStackTrace();                } catch (FTPIllegalReplyException e) {                    e.printStackTrace();                } catch (FTPException e) {                    e.printStackTrace();                }            }        }).start();    }    /** 判断Ftp目录是否存在 ,没有原生判断目录是否存在的方法*/    public boolean isDirExist(FTPClient ftpClient, String dir)    {        try {            ftpClient.changeDirectory(dir);        } catch (FTPException e) {            return false;        } catch (IOException e) {            return false;        } catch (FTPIllegalReplyException e) {            return false;        }        return true;    }    /**     * 删除ftp服务器指定文件     * @param dirName     */    private void ftpDeleteFile(final String dir, final String dirName) {        new Thread(new Runnable() {            @Override            public void run() {                // 创建客户端                final FTPClient client = new FTPClient();                // 不指定端口，则使用默认端口21                String rightIP = "192.168.128.52";                String ip = PreferenceUtil.getNetworkIP(MyApplication.getMyApplication().getApplicationContext());                if (!TextUtils.isEmpty(ip)) {                    String[] ipArr = ip.split("\\.");                    if (ipArr != null && ipArr.length == 4) {                        rightIP = ip;                    }                }                int rightPort = 21;                String port = PreferenceUtil.getNetworkPort(MyApplication.getMyApplication().getApplicationContext());                if (!TextUtils.isEmpty(port)) {                    rightPort = Integer.valueOf(rightPort);                }                try {                    client.connect(rightIP, rightPort);                    //配置用户名                    String user = PreferenceUtil.getNetworkUser(MyApplication.getMyApplication().getApplicationContext());                    String rightUser = "test";                    if (!TextUtils.isEmpty(user)) {                        rightUser = user;                    }                    //配置密码                    String pwd = PreferenceUtil.getNetworkPwd(MyApplication.getMyApplication().getApplicationContext());                    String rightPwd = "test";                    if (!TextUtils.isEmpty(pwd)) {                        rightPwd = pwd;                    }                    client.login(rightUser, rightPwd);//登录到ftp                    //配置ftp服务器根目录                    String pathFTP = "/" + "ZIP"+"/";                    String filePath = PreferenceUtil.getNetworkFtpPath(MyApplication.getMyApplication().getApplicationContext());                    if (!TextUtils.isEmpty(filePath)) {                        pathFTP = filePath + "/";                    }                    //创建用户目录                    String userCode = PreferenceUtil.getUserCode(MyApplication.getMyApplication());                    String resultPath=pathFTP+userCode+"/"+"result/";                    client.changeDirectory(resultPath);                    client.deleteFile(dirName);                    client.logout();                } catch (IOException e) {                    e.printStackTrace();                } catch (FTPIllegalReplyException e) {                    e.printStackTrace();                } catch (FTPException e) {                    e.printStackTrace();                }            }        }).start();    }}