利用Java调用可执行命令

2019-11-18 13:50:45

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来源：转载

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　　package test;

/** * Add one sentence class summary here. * Add class description here. * * @author lxx * @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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