linux系統如果開啓了ssh服務,就可以在windows系統上通過winscp客戶端來傳輸文件了,而java語言中,也可以類似scp客戶端那樣,實現文件傳輸,我們需要藉助ch.ethz.ganymed/ganymed-ssh2/build210這個依賴。
我們在maven項目中加入前面提到的ssh2的依賴:
代碼示例:
package com.xxx.ssh2;
import java.io.InputStream;
import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.SCPClient;
import ch.ethz.ssh2.Session;
public class SSH2App {
private static final String host = "192.168.56.202";
private static final String username = "root";
private static final String password="root";
private static final Connection conn = new Connection(host);
private static boolean isAuthed(){
try {
return conn.authenticateWithPassword(username, password);
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
public static void putFile(String localFile,String remoteTargetDirectory){
try {
conn.connect();
if(isAuthed()){
SCPClient scpClient = conn.createSCPClient();
scpClient.put(localFile, remoteTargetDirectory);
System.out.println("upload file successfully.");
}else{
System.out.println("authentication fail.");
}
} catch (Exception e) {
e.printStackTrace();
}finally{
conn.close();
}
}
public static void exec(String command){
try {
conn.connect();
if(isAuthed()){
Session session = conn.openSession();
session.execCommand(command);
InputStream input = session.getStdout();
byte[] data = new byte[1024];
input.read(data);
String result = new String(data,0,data.length);
System.out.println(result);
}else{
System.out.println("authentication fail.");
}
} catch (Exception e) {
e.printStackTrace();
}finally{
conn.close();
}
}
public static void main(String[] args) {
putFile("C:\\Users\\Administrator\\Downloads\\json.png", "/root/upload/");
exec("ls /root/upload");
}
}
運行這段代碼,結果如下:
文件上傳成功,linux服務器上目錄/root/upload下也會有了這個文件。
scp客戶端不光是java語言可以實現,比如node也可以實現。node有個依賴模塊scp2,它也可以實現windows上scp傳輸文件到linux。