/**
* 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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