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step 1 引入jar包8 K. u# X; E& R: ~% ?; S
<dependency>
2 \: C( e4 W+ q- Y <groupId>ch.ethz.ganymed</groupId>
' N% |0 e! y, n3 s! \ g+ O& r <artifactId>ganymed-ssh2</artifactId>" \1 O! \, g7 T7 @
<version>build210</version>4 K- w0 Q0 G. V( k; T8 }0 [& {
# C/ j# W3 m, D: U7 J" e! `</dependency>
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step 2 代码
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6 p7 S" n* S, L) k, vimport java.io.BufferedReader;5 |8 H0 ^+ J5 g) W" f1 E9 G$ ~' I
import java.io.IOException;5 X6 l' W+ b |5 N5 Z9 E; n
import java.io.InputStream;
) |0 H0 d5 S8 `+ x( v) Wimport java.io.InputStreamReader;$ Q+ y5 O4 @& g0 N; g# X
import java.io.UnsupportedEncodingException;# h4 h1 ^, n" q* o7 K) v: O. x
: } f! \3 \" S& X3 o% s//import org.apache.commons.lang.StringUtils;& ?0 z0 V' \! L
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import ch.ethz.ssh2.Connection;
# a& T1 ] p% w* z, Q8 `import ch.ethz.ssh2.Session;
2 [, R# Q# C r: [import ch.ethz.ssh2.StreamGobbler;; M' T. z( c% c4 p. c; r3 S
4 Q9 I; V- w! {2 lpublic class MainCommand {
& r8 |5 q9 d3 r4 u8 p, O0 Q0 a private static String DEFAULTCHART = "UTF-8";
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2 N# x& n! [2 D" I8 {% i private static Connection login(String ip, String username, String password) {) K, p- e: V# g0 b
boolean flag = false;
% H, I* d: t+ c+ `' P# g Connection connection = null;
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connection = new Connection(ip);
% ~4 M) i5 `8 D) ~3 K- J" O connection.connect();// 连接
w- r1 U; K- c6 V3 _ flag = connection.authenticateWithPassword(username, password);// 认证
0 V" n: c% M @ if (flag) {
$ M& @6 t% b, W System.out.println("================登录成功==================");
' i# M3 Z) P2 o, G( ]0 p7 q2 | return connection;; K0 F% C* o6 J
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} catch (IOException e) {9 ^. Q0 _5 S- g1 S# @* i
System.out.println("=========登录失败=========" + e);
/ P+ \' S# r/ ?, x2 s3 W connection.close();( y" L& ]- T6 N5 n% B
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return connection;
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/**- @. u2 B! c- W
* 远程执行shll脚本或者命令, r6 z; R; c0 |- B. G
*
# ?' x2 N- J- t2 }* p9 X * @param cmd% \ ~1 u, c* t1 K* n
* 即将执行的命令
+ b9 l/ |; ?) P- S * @return 命令执行完后返回的结果值
! d6 X) _- S# B# _: M7 { */. A9 ~# @5 F0 ?
private static String execmd(Connection connection, String cmd) {, m! |% M" Q$ U4 o: V6 b! Y+ r) w- l
String result = "";* J3 R9 v( k9 Q t
try{
1 K" D7 L9 b% G5 U$ a if (connection != null) {
: P3 d1 H) M) |6 |$ I' C+ f Session session = connection.openSession();// 打开一个会话5 v4 q; M& @% A6 y8 r8 m
session.execCommand(cmd);// 执行命令
5 ~2 z8 H# H; g8 C# x! f* V b7 m result = processStdout(session.getStdout(), DEFAULTCHART);, c3 _5 ]' V. ~/ R+ W8 e( y. r2 Q6 U
System.out.println(result);
9 x; Y- [% R$ q+ b // 如果为得到标准输出为空,说明脚本执行出错了
2 B& z0 y/ o" Q; \, p" i /*if (StringUtils.isBlank(result)) {3 u: `. {( h0 R8 H
System.out.println("得到标准输出为空,链接conn:" + connection + ",执行的命令:" + cmd);/ w# c4 `4 t7 o; c1 |
result = processStdout(session.getStderr(), DEFAULTCHART);
; S! U: T" n4 t& S- u' O1 ` } else {2 I8 n4 \( p9 [
System.out.println("执行命令成功,链接conn:" + connection + ",执行的命令:" + cmd);( L0 K5 H# G$ G
}*/5 @6 X3 A2 w7 X
connection.close();. d, E5 B" ~3 N6 Q
session.close();
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} catch (IOException e) {
/ X# P; ?* c! t System.out.println("执行命令失败,链接conn:" + connection + ",执行的命令:" + cmd + " " + e);, j E7 \) p$ e5 m$ q3 D. W
e.printStackTrace();( C- `1 ]- ^: Q: C" h6 p* T
}
8 Q( ~1 n8 ~* m |0 ? return result;
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}
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" l0 Z! V: V4 K' s) q( U /**9 Z2 i8 {' Y$ H l f1 ^
* 解析脚本执行返回的结果集/ k4 H0 U& C# C8 ^0 _! _9 J* D
*
8 J3 g) L* @6 K: W$ B! {; p * @param in) m- }3 p/ E2 q+ Z0 m
* 输入流对象, Z+ C" B2 |) w2 v5 x" ]* T
* @param charset) O6 @/ x/ W, m2 A( {, o8 {
* 编码+ ? F: ^7 r8 R6 h6 |* K9 b
* @return 以纯文本的格式返回. r- N5 ?# [9 K' G$ K! e
*/
6 g& V! ]4 \# I7 I6 _- n4 M( } private static String processStdout(InputStream in, String charset) {- A0 M0 M4 y- N" n
InputStream stdout = new StreamGobbler(in);8 Q& ?* V$ M. ~/ `! A& V2 H
StringBuffer buffer = new StringBuffer();
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, j3 O! }, }- O try {
; p! P' m& y( F! I! j# S8 D BufferedReader br = new BufferedReader(new InputStreamReader(stdout, charset));
( g0 ^' u8 ^# \$ [8 Q String line = null;; z3 d3 Z) o. {4 q; ]4 E
while ((line = br.readLine()) != null) {+ E/ d' Q8 ^1 _# G
buffer.append(line + "\n");
/ v7 x* _! L" q) }8 Z3 [ System.out.println(line);
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br.close();
, R& O- G! ~; `0 R9 ?1 z } catch (UnsupportedEncodingException e) {
6 q+ d: b" B3 B% ~ i' m$ w System.out.println("解析脚本出错:" + e.getMessage());' K/ _9 H- L! Q! A0 q. b
e.printStackTrace();6 q$ T% n" e( X7 W. Z B
} catch (IOException e) {+ i; [6 ?6 n* N" w8 h5 g1 N9 ?
System.out.println("解析脚本出错:" + e.getMessage());
" k! L# L, Z$ X- b e.printStackTrace();
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3 b6 { p' d4 j I return buffer.toString();+ w; p7 Q" n; J
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! P: S* N% J5 @9 t( s) ^ public static void main(String[] args) {6 [# l3 {) n: M+ f8 U. I
long currentTimeMillis = System.currentTimeMillis();
( K9 G0 Q. M4 v1 `( v String ip = "192.168.115.64";" N/ F( ~* S. a- a8 ?3 M
String username = "xfraud";
0 A! a M9 g& ^7 z6 F' b String password = "cfca1234";0 U5 E- ^; u8 k( ]% p) B6 O3 G+ Q
String cmd = "uname -a";
2 P1 e7 ` H( M& w- x Connection connection = login(ip, username, password);
% l7 z' R, v/ |# V' ~+ ?8 o: R- v String execmd = execmd(connection, cmd);3 C* [8 J G, A1 l
System.out.println(execmd);4 P2 k$ J9 y* i3 G2 t# S
long currentTimeMillis1 = System.currentTimeMillis();6 B) F$ B0 V( r- D
System.out.println("ganymed-ssh2方式"+(currentTimeMillis1-currentTimeMillis));
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