利用Java调用可执行命令相关代码分析
Published by admin on 03月 11, 2008
Java JDK里已经提供了调用的方法，不在累赘，代码如下。
try {
String command = “notepad”;
Process child =
Runtime.getRuntime().exec(command);
} catch (IOException e)
{
}
package com.bornsoft.gyborn.dy;
/**
* Add one sentence class summary here.
* Add class description here.
*
* @author dy
* @version 1.0, 2004-11-16
*/
public class TestCmd {
public TestCmd(){}
/* public void main(String args[]){
try {
Process process = Runtime.getRuntime().exec(”cmd.exe /c start http://www.csdn.net”); //登录网站
Process process = Runtime.getRuntime().exec(”cmd.exe /c start ping 10.144.98.100″); //调用Ping命令
}catch (Exception e)
{
e.printStackTrace();
}
}
} */
//在项目下建立一个名为hello的文件夹
public static void main(String[] args) {
System.out.println(System.getProperty(”user.dir”));
createFolder(”hello”);
}
private static void createFolder(String folderName) {
String temp = System.getProperty(”user.dir”) + java.io.File.separator+ folderName;
java.io.File f = new java.io.File(temp);
f.mkdirs();
}
}
在Java程序中获取当前运行程序的路径
import java.io.*;
public class Test {
public static void main(String[] args) {
File directory = new File(”.”);
try {
File newPath = new File(directory.getCanonicalPath()+”NewFolder”);
newPath.mkdir();
}catch(Exception exp)
{
exp.printStackTrace();
}
}
}
//File directory = new File(”.”);
//directory.getCanonicalPath();取得当前路径
在Jsp页面中调用Ping命令—PingIP.jsp
<％@ page language=”java” contentType=”text/html; charset=gb2312″ import=”java.io.*” ％>
<!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN” “http://www.w3.org/TR/html4/loose.dtd”>
<html>
<head>
<title>Ping IP测试页面</title>
</head>
<body>
<div align=”center”>
<h2>Ping IP测试页面</h2>
</div>
<％
Runtime runtime = Runtime.getRuntime();
Process process =null;
String line=null;
InputStream is =null;
InputStreamReader isr=null;
BufferedReader br =null;
String ip=”www.sina.com.cn”; //待Ping的地址
try
{
process =runtime.exec(”ping “+ip);
is = process.getInputStream();
isr=new InputStreamReader(is);
br =new BufferedReader(isr);
out.println(”<pre>”);
while( (line = br.readLine()) != null )
{
out.println(line);
out.flush();
}
out.println(”</pre>”);
is.close();
isr.close();
br.close();
}
catch(IOException e )
{
out.println(e);
runtime.exit(1);
}
％>
</body>
</html>
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