【转】JSch - Java实现的SFTP（文件下载详解篇）

package com.longyg.sftp;import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.SftpATTRS;public class SFTPGetTest { public SFTPChannel getSFTPChannel() {
return new SFTPChannel();
} public static void main(String[] args) throws Exception {
SFTPGetTest test = new SFTPGetTest(); Map<String, String> sftpDetails = new HashMap<String, String>();
// 设置主机ip，端口，用户名，密码
sftpDetails.put(SFTPConstants.SFTP_REQ_HOST, "10.9.167.55");
sftpDetails.put(SFTPConstants.SFTP_REQ_USERNAME, "root");
sftpDetails.put(SFTPConstants.SFTP_REQ_PASSWORD, "arthur");
sftpDetails.put(SFTPConstants.SFTP_REQ_PORT, "22"); SFTPChannel channel = test.getSFTPChannel();
ChannelSftp chSftp = channel.getChannel(sftpDetails, 60000); String filename = "/home/omc/ylong/sftp/INTPahcfg.tar.gz";
SftpATTRS attr = chSftp.stat(filename);
long fileSize = attr.getSize(); String dst = "D:\\INTPahcfg.tar.gz";
OutputStream out = new FileOutputStream(dst);
try { chSftp.get(filename, dst, new FileProgressMonitor(fileSize)); // 代码段1 // chSftp.get(filename, out, new FileProgressMonitor(fileSize)); // 代码段2/**
* 代码段3
*
InputStream is = chSftp.get(filename, new MyProgressMonitor());
byte[] buff = new byte[1024 * 2];
int read;
if (is != null) {
System.out.println("Start to read input stream");
do {
read = is.read(buff, 0, buff.length);
if (read > 0) {
out.write(buff, 0, read);
}
out.flush();
} while (read >= 0);
System.out.println("input stream read done.");
}
*/
} catch (Exception e) {
e.printStackTrace();
} finally {
chSftp.quit();
channel.closeChannel();
}
}
}

SFTPChannel channel = test.getSFTPChannel();
ChannelSftp chSftp = channel.getChannel(sftpDetails, 60000);