语法:rasdial 连接名称 /disconnect
实例: rasdial 宽带 /disconnect
java程序调用rasdial命令:
Java代码
package com.sesame.network
import java.io.BufferedReader
import java.io.InputStreamReader
public class ConnectNetWork {
/**
* 执行CMD命令,并返回String字符串
*/
public static String executeCmd(String strCmd) throws Exception {
Process p = Runtime.getRuntime().exec(“cmd /c ” + strCmd)
StringBuilder sbCmd = new StringBuilder()
BufferedReader br = new BufferedReader(new InputStreamReader(p
.getInputStream()))
String line
while ((line = br.readLine()) != null) {
sbCmd.append(line + ”\n”)
}
return sbCmd.toString()
}
/**
* 连接ADSL
*/
public static boolean connAdsl(String adslTitle, String adslName, String adslPass) throws Exception {
System.out.println(“正在建立连接.”)
String adslCmd = ”rasdial ” + adslTitle + ” ” + adslName + ” ”
+ adslPass
String tempCmd = executeCmd(adslCmd)
// 判断是否连接成功
if (tempCmd.indexOf(“已连接”) >0) {
System.out.println(“已成功建立连接.”)
return true
} else {
System.err.println(tempCmd)
System.err.println(“建立连接失败”)
return false
}
}
package com.tan.testimport java.io.BufferedInputStream
import java.io.IOException
import java.net.URL
import java.net.URLConnection
import org.apache.log4j.Logger
public class TestProxyIp {
private static final Logger log = Logger.getLogger(TestProxyIp.class)
public static void main(String[] args) throws IOException {
System.setProperty("http.maxRedirects", "50")
System.getProperties().setProperty("proxySet", "true")
// 如果不设置,只要代理IP和代理端口正确,此项不设置也可以
String ip = "59.175.192.126"
ip = "221.214.180.130"
ip = "122.224.171.91"
ip = "58.221.213.166"
ip = "202.106.16.36"
ip = "121.8.191.34"
ip = "222.208.242.30"
ip = "219.239.90.85"
ip = "60.31.177.188"
System.getProperties().setProperty("http.proxyHost", ip)
System.getProperties().setProperty("http.proxyPort", "3128")
//确定代理是否设置成功
log.info(getHtml("http://www.ip.cn/"))
//log.info(getHtml("http://20140507.ip138.com/ic.asp"))
}
private static String getHtml(String address){
StringBuffer html = new StringBuffer()
String result = null
try{
URL url = new URL(address)
URLConnection conn = url.openConnection()
conn.setRequestProperty("User-Agent","Mozilla/4.0 (compatibleMSIE 7.0NT 5.1GTB5.NET CLR 2.0.50727CIBA)")
BufferedInputStream in = new BufferedInputStream(conn.getInputStream())
try{
String inputLine
byte[] buf = new byte[4096]
int bytesRead = 0
while (bytesRead >= 0) {
inputLine = new String(buf, 0, bytesRead, "UTF-8")
/*if (!"".equals(inputLine)) {
System.out.println(inputLine)
}*/
html.append(inputLine)
bytesRead = in.read(buf)
inputLine = null
}
buf = null
}finally{
in.close()
conn = null
url = null
}
//result = new String(html.toString().trim().getBytes("ISO-8859-1"), "UTF-8").toLowerCase()
//result=new String(html.toString().trim().getBytes("ISO-8859-1"), "GBK")
}catch (Exception e) {
e.printStackTrace()
return null
}/*finally{
html = null
}*/
return html.toString()
}
}
但是找不到有用的动态ip。