update

src/main/java/com/yutou/tools/utils/SFTPTools.java

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+package com.yutou.tools.utils;
+
+import com.jcraft.jsch.*;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ListIterator;
+import java.util.Properties;
+
+public class SFTPTools {
+    Session sshSession = null;
+    ChannelSftp sftp = null;
+
+    public SFTPTools() throws Exception {
+        JSch jsch = new JSch();
+        sshSession = jsch.getSession("yutou", "113.65.152.143", 23);
+        sshSession.setPassword("34864394");
+        Properties sshConfig = new Properties();
+        sshConfig.put("StrictHostKeyChecking", "no");
+        sshSession.setConfig(sshConfig);
+        sshSession.connect();
+        Channel channel = sshSession.openChannel("sftp");
+        channel.connect();
+        sftp = (ChannelSftp) channel;
+    }
+    /**
+     * 删除
+     */
+    public void delete(String directory, String deleteFile) {
+        try {
+            sftp.cd(directory);
+            sftp.rm(deleteFile);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+    /**
+     * 上传
+     */
+    public void upload(String directory, String uploadFile) {
+        try {
+            sftp.cd(directory);
+            File file = new File(uploadFile);
+            sftp.put(new FileInputStream(file), file.getName());
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+    /**
+     * 下载
+     */
+    public void download(String directory, String downloadFile, String saveFile) {
+        try {
+            sftp.cd(directory);
+            File file = new File(saveFile);
+            sftp.get(downloadFile, new FileOutputStream(file));//可以用流
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+    //https://www.cnblogs.com/nlpvv/articles/11244553.html
+    public void getPath() {
+        try {
+            sftp.cd("/home");
+            ListIterator  listIterator=sftp.ls("/media/yutou/4t/public/").listIterator();
+            while (listIterator.hasNext()){
+                ChannelSftp.LsEntry entry= (ChannelSftp.LsEntry) listIterator.next();
+                System.out.println(entry.getFilename()+" ="+entry.getAttrs().getSize());
+            }
+            sftp.disconnect();
+        } catch (SftpException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void main(String[] args) {
+        try {
+            SFTPTools tools=new SFTPTools();
+            tools.getPath();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+    }
+}