Java教程：在SFTP服务器上解压文件的正确方法

import com.jcraft.jsch.*;
import java.io.*;
import java.util.Vector;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class SftpUnzip {

    public static void unzipSftpFile(Session session, String zipFilePath) throws JSchException, IOException {

        ChannelSftp getChannel = (ChannelSftp) session.openChannel("sftp");
        getChannel.connect();
        ChannelSftp putChannel = (ChannelSftp) session.openChannel("sftp");
        putChannel.connect();

        try {
            ZipInputStream stream1 = new ZipInputStream(getChannel.get(zipFilePath));
            ZipEntry zEntry;

            while ((zEntry = stream1.getNextEntry()) != null) {
                OutputStream out = putChannel.put(zEntry.getName());
                byte[] buffer = new byte[2048];
                int len;

                while ((len = stream1.read(buffer)) != -1) {
                    out.write(buffer, 0, len);
                }

                out.close();
                stream1.closeEntry();
            }
        } finally {
            if (getChannel != null && getChannel.isConnected()) {
                getChannel.disconnect();
            }
            if (putChannel != null && putChannel.isConnected()) {
                putChannel.disconnect();
            }
        }
    }

    public static void main(String[] args) {
        String host = "your_sftp_host";
        int port = 22;
        String username = "your_username";
        String password = "your_password";
        String zipFilePath = "/path/to/your/file.zip"; // Replace with the actual path

        try {
            JSch jsch = new JSch();
            Session session = jsch.getSession(username, host, port);
            session.setPassword(password);

            // WARNING: Disabling host key checking is insecure. Only do this in controlled environments.
            java.util.Properties config = new java.util.Properties();
            config.put("StrictHostKeyChecking", "no");
            session.setConfig(config);

            session.connect();

            unzipSftpFile(session, zipFilePath);

            session.disconnect();

            System.out.println("File unzipped successfully!");

        } catch (JSchException | IOException e) {
            e.printStackTrace();
        }
    }
}

<dependency>
    <groupId>com.jcraft</groupId>
    <artifactId>jsch</artifactId>
    <version>0.1.55</version>
</dependency>

import com.jcraft.jsch.*;
import java.io.IOException;
import java.io.InputStream;

public class SftpUnzipRemote {

    public static void unzipRemote(Session session, String zipFilePath, String destinationPath) throws JSchException, IOException {
        ChannelExec channel = (ChannelExec) session.openChannel("exec");
        channel.setCommand("unzip " + zipFilePath + " -d " + destinationPath);

        InputStream in = channel.getInputStream();

        channel.connect();

        byte[] tmp = new byte[1024];
        while (in.available() > 0) {
            int i = in.read(tmp, 0, 1024);
            if (i < 0) break;
            System.out.print(new String(tmp, 0, i)); // Optional: Print output
        }

        int exitStatus = channel.getExitStatus();
        if (exitStatus != 0) {
            System.err.println("Unzip command failed with exit code: " + exitStatus);
        }

        channel.disconnect();
    }

    public static void main(String[] args) {
        String host = "your_sftp_host";
        int port = 22;
        String username = "your_username";
        String password = "your_password";
        String zipFilePath = "/path/to/your/file.zip"; // Replace with the actual path
        String destinationPath = "/path/to/your/destination"; // Replace with the desired destination

        try {
            JSch jsch = new JSch();
            Session session = jsch.getSession(username, host, port);
            session.setPassword(password);

            // WARNING: Disabling host key checking is insecure. Only do this in controlled environments.
            java.util.Properties config = new java.util.Properties();
            config.put("StrictHostKeyChecking", "no");
            session.setConfig(config);

            session.connect();

            unzipRemote(session, zipFilePath, destinationPath);

            session.disconnect();

            System.out.println("File unzipped successfully on the server!");

        } catch (JSchException | IOException e) {
            e.printStackTrace();
        }
    }
}