commons-net-2.0.jar
log4j-1.2.15.jar
package com;
import java.io.InputStream;
import java.io.PrintStream;
import org.apache.commons.net.telnet.TelnetClient;
import org.apache.log4j.Logger;
public class TelnetHandler {
private static final Logger logger = Logger.getLogger(TelnetHandler.class);
private TelnetClient telnet = new TelnetClient("VT220");
private InputStream in;
private PrintStream out;
private String prompt=" ";
String s;
public void TelnetCmd(String server, String user, String password) {
try {
// Connect to the specified server
telnet.connect(server, 23);
logger.info("Login............................");
// Get input and output stream references
in = telnet.getInputStream();
out = new PrintStream(telnet.getOutputStream());
// Login
readUntil("login: ");
write(user);
readUntil("password: ");
write(password);
// Advance to a prompt
readUntil(prompt);
} catch (Exception e) {
e.printStackTrace();
logger.info("logon failed", e);
}
}
public String readUntil(String pattern) {
try {
char lastChar = pattern.charAt(pattern.length() - 1);
StringBuffer sb = new StringBuffer();
// boolean found = false;
char ch = (char) in.read();
while (true) {
System.setProperty("GBK", "iso8859-1");
System.out.print(ch);
sb.append(ch);
if (ch == lastChar) {
if (sb.toString().endsWith(pattern)) {
// System.out.print( sb.toString());
return sb.toString();
}
}
ch = (char) in.read();
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public void write(String value) {
try {
out.println(value);
out.flush();
// System.out.println(value);
} catch (Exception e) {
e.printStackTrace();
}
}
public String sendCmd(String command) {
try {
write(command);
return readUntil(s + prompt);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public void disconnect() {
try {
telnet.disconnect();
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
try {
logger.info("發送命令開始");
TelnetHandler telnet1 = new TelnetHandler();
telnet1.TelnetCmd("127.0.0.1", "administrator", "123456");
// Exec Cmd
// telnet1.sendCmd("dir");
telnet1.sendCmd("cd c:\\test");
telnet1.disconnect();
// telnet1.sendCmd("xcopy c:\\httpdownload.txt c:\\test");
logger.info("發送命令結束");
} catch (Exception e) {
e.printStackTrace();
}
}
}