Java 获取所有进程

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import org.apache.log4j.Logger;

/**

* @author pqcc

*/

public class ProcesserTest

{

private static Logger log = Logger.getLogger(ProcesserTest.class.getName());

public static void main(String[] args)

{

Process process = null;

try {

/**

* tasklist 或 ipconfig 只要在cmd 模式下可运行都可以.

*/

process = Runtime.getRuntime().exec("cmd.exe /c tasklist");

BufferedReader input = new BufferedReader(new InputStreamReader(process.getInputStream()));

String line = " ";

while ((line = input.readLine()) != null)

{

log.info(line);

}

input.close();

} catch (IOException e) {

e.printStackTrace();

}

}

}

-----------------------------

简单修改了下，没有 UNIX 的环境，所以也不知道是否能够正常运行。(类名有所变化)

/**

* @author pqcc

*/

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import org.apache.log4j.Logger;

public class ProcessorTest

{

private static Logger log = Logger.getLogger(ProcessorTest.class.getName());

public static void main(String[] args)

{

new ProcessorTest().printSystemProcessor();

}

public void printSystemProcessor()

{

Process process = null;

String command = getExecCommand();

try {

process = Runtime.getRuntime().exec(command);

BufferedReader input = new BufferedReader(new InputStreamReader(process.getInputStream()));

String line = "";

while ((line = input.readLine()) != null)

{

log.info(line);

}

input.close();

} catch (IOException e) {

e.printStackTrace();

}

}

public String getExecCommand()

{

// default is windows.

String command = "cmd.exe /c tasklist";

String osName = System.getProperty("os.name");

if(osName != null && osName.indexOf("Windows")<0)

{

command = "ps aux";

}

return command;

}

}