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step 1 引入jar包$ w( ]; w' K7 A& F' ?, s# _+ F
<dependency>9 M0 O& _2 a+ K, |
<groupId>ch.ethz.ganymed</groupId>6 j$ Y# E* \) | q; @' _
<artifactId>ganymed-ssh2</artifactId>
9 n' g8 G" x4 ~6 k" E3 I+ f- q <version>build210</version>
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</dependency>
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step 2 代码0 G F. e1 ]$ t8 m5 Q
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import java.io.BufferedReader;
. Z& D. J( _! ]import java.io.IOException;
; G: u7 R' a4 a! kimport java.io.InputStream;1 m8 g& c- u; O3 }& \& W: f
import java.io.InputStreamReader;. u5 b1 M; a6 y/ Q
import java.io.UnsupportedEncodingException;
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\% { F( }2 n: ^7 E- ?//import org.apache.commons.lang.StringUtils;) }2 o* A. G# D8 c
$ G/ }) T! `3 J8 Rimport ch.ethz.ssh2.Connection;+ h/ S! s0 p# ?" Q* |, T, k0 k
import ch.ethz.ssh2.Session;
3 t7 j$ [: O timport ch.ethz.ssh2.StreamGobbler;& e- z* |" z# j" |( d
6 t: w- i0 w/ L2 Y! w; _2 `; e- \public class MainCommand {
7 @+ u. t' q/ x# i' Y private static String DEFAULTCHART = "UTF-8";5 u c$ l8 Z* O2 L/ I F
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private static Connection login(String ip, String username, String password) {
2 q) j: @% l( T+ c3 i+ [" H boolean flag = false;
( u0 s; ] V/ @; P Connection connection = null;" X3 x0 e, R6 B5 z
try {
4 N% Q6 f( r) \" f/ T9 e connection = new Connection(ip);( V; }- p1 G6 \2 @
connection.connect();// 连接# A0 W. N+ f3 ~
flag = connection.authenticateWithPassword(username, password);// 认证
& b5 u; V' j7 C, M if (flag) {
/ E4 B& H0 w3 d/ J7 K, F System.out.println("================登录成功==================");1 T% P$ V% R% R# e h; L
return connection;* x6 ~8 O6 u8 a0 R3 \4 P7 K
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} catch (IOException e) {, T% k" @: _: r, ~$ d2 C" U* u$ B# K
System.out.println("=========登录失败=========" + e);
/ h: s/ x" A: {& g: [& o connection.close();9 }6 ^2 l) [: c, r, U; ]9 Q
}
3 t0 R/ d8 [) _% M7 d+ h return connection;
8 i+ c" K0 L9 S" f9 }) O }
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/**
8 y" X H, s* j * 远程执行shll脚本或者命令
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# g/ [: g" l# Q4 x5 W! _6 Q * @param cmd
. N3 I0 v/ A8 v( N. |: R1 D * 即将执行的命令
; B( Q- W6 g' X+ O * @return 命令执行完后返回的结果值# [/ G2 p2 R# K5 X! ^$ R
*/
3 ? h, n" y l, m: E- C, F private static String execmd(Connection connection, String cmd) {+ a1 M" T( i; v3 @" d: G8 }1 c. L; v6 c. z
String result = "";8 U7 u6 |, O5 F& D6 U R
try{- }; P. s) g- N* H1 w5 k, G$ a
if (connection != null) {
0 \+ O# ?6 N6 ^% D& q7 ` Session session = connection.openSession();// 打开一个会话- M$ ?4 N; g+ h: K; V9 e7 O
session.execCommand(cmd);// 执行命令& y2 L; { V w: Q3 A
result = processStdout(session.getStdout(), DEFAULTCHART);# T9 \3 l& R5 l% s, M* n! V
System.out.println(result);
& f0 R) @6 d$ j% g7 k: M/ e // 如果为得到标准输出为空,说明脚本执行出错了
9 j7 J: M1 N7 e4 Y1 v1 H; S& \ /*if (StringUtils.isBlank(result)) {
' i4 m( F; O2 n System.out.println("得到标准输出为空,链接conn:" + connection + ",执行的命令:" + cmd);
; a; f- Z+ d0 A8 G result = processStdout(session.getStderr(), DEFAULTCHART);& O6 F- Q* e# B2 c$ H8 G5 m
} else { y+ I2 r. C% D8 P& i
System.out.println("执行命令成功,链接conn:" + connection + ",执行的命令:" + cmd);
1 @1 D2 a6 l. L% v4 y }*/
! {& }+ u, \1 S8 | connection.close();
$ f9 [3 H6 m/ Y- N session.close();$ g6 H& v( o) J2 \* F3 a
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} catch (IOException e) {1 F& o1 ]) I9 Y8 N3 g
System.out.println("执行命令失败,链接conn:" + connection + ",执行的命令:" + cmd + " " + e);
# q- K8 u o. } e.printStackTrace();
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return result;/ _6 ]* {8 p- ?2 [9 g2 P
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, Y m) X. J/ l# ^ /**
& ?5 A2 Z2 n, u& M * 解析脚本执行返回的结果集
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* @param in) `$ W# O, d# P9 H) T
* 输入流对象2 O# R( c+ Z6 @" x6 O& b/ h
* @param charset% p7 ~- L- r h, e9 e
* 编码/ U# \( _1 Q! @! E" ]- @
* @return 以纯文本的格式返回3 w7 R" N+ v, j1 |0 X9 n; e0 ~
*/4 Z H9 K# p2 D/ o% w8 x# U
private static String processStdout(InputStream in, String charset) {
, @' k$ [! r$ K+ D InputStream stdout = new StreamGobbler(in);
) t' U# o& z9 K# g* k( h0 k, L StringBuffer buffer = new StringBuffer();2 q6 a0 _8 a/ ~" c) S
;
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BufferedReader br = new BufferedReader(new InputStreamReader(stdout, charset));: O. z( d, u' m" c% @& S7 V0 K6 |
String line = null;8 @, P4 Z2 P- `. s
while ((line = br.readLine()) != null) {
4 T& ?" i4 ]$ t' K1 F buffer.append(line + "\n");9 s; R+ e6 B! i/ L
System.out.println(line);: E r) e2 s! _" [- z2 T
}
1 K Z& c, O+ _. X' d/ ] br.close();
1 U/ g8 c9 x; j) n% \& v6 D } catch (UnsupportedEncodingException e) { v3 X6 G6 K) o
System.out.println("解析脚本出错:" + e.getMessage());7 d; e! n& p# y7 J
e.printStackTrace();7 K5 q0 W% c% d6 \- |
} catch (IOException e) {
0 u8 U5 E; a. Y System.out.println("解析脚本出错:" + e.getMessage());
4 [, b; Z' Z4 p1 A e.printStackTrace();, w$ T0 A2 J9 I% i. v1 n- o
}
: N% I2 K- Q4 S" P B! {# q return buffer.toString();+ X6 M6 M/ n! r- i: h$ |
}
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public static void main(String[] args) {1 m% F( x; V \9 T
long currentTimeMillis = System.currentTimeMillis();) k0 _# p; R7 z# v! s: C: G
String ip = "192.168.115.64";3 E7 R o0 \5 t* x2 E, ~$ U8 F& g4 L
String username = "xfraud";
! {& l! r" M8 l/ D' i String password = "cfca1234";
, y. A! [0 A; A) C String cmd = "uname -a";
1 W* ]- F9 s$ u: r7 X0 s Connection connection = login(ip, username, password);
! P" _3 ?' j P* L5 O String execmd = execmd(connection, cmd);
6 X& g; v* k) h2 y$ h7 b! g! p System.out.println(execmd);
' d4 X/ |/ M) t4 q long currentTimeMillis1 = System.currentTimeMillis();$ P3 a" ?$ k/ l: h% ]
System.out.println("ganymed-ssh2方式"+(currentTimeMillis1-currentTimeMillis));
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