java中如何通过一个程序启动另外一个独立的程序 runtime不就可以了吗。Runtime runtime = Runtime.getRuntime(); runtime.exec("......"); 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 //用Runtime.getRuntime().exec即可,详细代码如下://执行非dos类命令,例如javaimport java.util.*;import java.io.*;public class MediocreExecJavac{ public static void main(String args[]) { try { Runtime rt = Runtime.getRuntime(); Process proc = rt.exec("javac"); InputStream stderr = proc.getErrorStream(); InputStreamReader isr = new InputStreamReader(stderr); BufferedReader br = new BufferedReader(isr); String line = null; System.out.println("<ERROR>"); while ( (line = br.readLine()) != null) System.out.println(line); System.out.println("</ERROR>"); int exitVal = proc.waitFor(); System.out.println("Process exitValue: " + exitVal); } catch (Throwable t) { t.printStackTrace(); } }}//-----------------------------------//执行dos,windows命令:import java.util.*;import java.io.*;class StreamGobbler extends Thread{ InputStream is; String type; StreamGobbler(InputStream is, String type) { this.is = is; this.type = type; } public void run() { try { InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); String line=null; while ( (line = br.readLine()) != null) System.out.println(type + ">" + line); } catch (IOException ioe) { ioe.printStackTrace(); } }}public class GoodWindowsExec{ public static void main(String args[]) { if (args.length < 1) { System.out.println("USAGE: java GoodWindowsExec <cmd>"); System.exit(1); } try { String osName = System.getProperty("os.name" ); String[] cmd = new String[3];System.out.println( osName); if( osName.equals( "Windows 2000" ) ) { cmd[0] = "cmd.exe" ; cmd[1] = "/C" ; cmd[2] = args[0]; } else if( osName.equals( "Windows 95" ) ) { cmd[0] = "command.com" ; cmd[1] = "/C" ; cmd[2] = args[0]; } Runtime rt = Runtime.getRuntime(); System.out.println("Execing " + cmd[0] + " " + cmd[1] + " " + cmd[2]); Process proc = rt.exec(cmd); // any error message? StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), "ERROR"); // any output? StreamGobbler outputGobbler = new StreamGobbler(proc.getInputStream(), "OUTPUT"); // kick them off errorGobbler.start(); outputGobbler.start(); // any error??? int exitVal = proc.waitFor(); System.out.println("ExitValue: " + exitVal); } catch (Throwable t) { t.printStackTrace(); } }}//在启动这个class时指定命令即可,或者在代码中指定arg1 菜鸟问题!!! 参照书上的例子写的一个创建窗口+一个摁钮的程序,却报错 【在线等待,快速结贴】eclipse里的debug在哪里啊? 请问用JAVA怎样捕获音频输出数据? jComboBox显示内容和id问题,相信好多人都会碰到的问题 求一段正则表达式代码 这句中的反斜杠是什么意思? 关于Java中向上转型的问题 请教高手:关于reflect 简单数学问题,急死了。在线等待。 一道关于switch的题目 javafx开发客户端,请问通常使用什么和数据库交互?
//用Runtime.getRuntime().exec即可,详细代码如下:
//执行非dos类命令,例如javaimport java.util.*;
import java.io.*;public class MediocreExecJavac
{
public static void main(String args[])
{
try
{
Runtime rt = Runtime.getRuntime();
Process proc = rt.exec("javac");
InputStream stderr = proc.getErrorStream();
InputStreamReader isr = new InputStreamReader(stderr);
BufferedReader br = new BufferedReader(isr);
String line = null;
System.out.println("<ERROR>");
while ( (line = br.readLine()) != null)
System.out.println(line);
System.out.println("</ERROR>");
int exitVal = proc.waitFor();
System.out.println("Process exitValue: " + exitVal);
} catch (Throwable t)
{
t.printStackTrace();
}
}
}
//-----------------------------------
//执行dos,windows命令:import java.util.*;
import java.io.*;class StreamGobbler extends Thread
{
InputStream is;
String type;
StreamGobbler(InputStream is, String type)
{
this.is = is;
this.type = type;
}
public void run()
{
try
{
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String line=null;
while ( (line = br.readLine()) != null)
System.out.println(type + ">" + line);
} catch (IOException ioe)
{
ioe.printStackTrace();
}
}
}public class GoodWindowsExec
{
public static void main(String args[])
{
if (args.length < 1)
{
System.out.println("USAGE: java GoodWindowsExec <cmd>");
System.exit(1);
}
try
{
String osName = System.getProperty("os.name" );
String[] cmd = new String[3];
System.out.println( osName);
if( osName.equals( "Windows 2000" ) )
{
cmd[0] = "cmd.exe" ;
cmd[1] = "/C" ;
cmd[2] = args[0];
}
else if( osName.equals( "Windows 95" ) )
{
cmd[0] = "command.com" ;
cmd[1] = "/C" ;
cmd[2] = args[0];
}
Runtime rt = Runtime.getRuntime();
System.out.println("Execing " + cmd[0] + " " + cmd[1]
+ " " + cmd[2]);
Process proc = rt.exec(cmd);
// any error message?
StreamGobbler errorGobbler = new
StreamGobbler(proc.getErrorStream(), "ERROR");
// any output?
StreamGobbler outputGobbler = new
StreamGobbler(proc.getInputStream(), "OUTPUT");
// kick them off
errorGobbler.start();
outputGobbler.start();
// any error???
int exitVal = proc.waitFor();
System.out.println("ExitValue: " + exitVal);
} catch (Throwable t)
{
t.printStackTrace();
}
}
}
//在启动这个class时指定命令即可,或者在代码中指定arg1