import java.io.BufferedReader;
import java.io.InputStreamReader;
public class ConnectNetWork {
/**
* 执行CMD命令,并返回String字符串
*
* @param strCmd
* @return
* @throws Exception
*/
public static String exeCmd(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 = null;
while ((line = br.readLine()) != null) {
sbCmd.append(line + "\n");
}
return sbCmd.toString();
}
/**
* 切断ADSL
*
* @param adslTitle
* @return
* @throws Exception
*/
public static boolean cutAdsl(String adslTitle) throws Exception {
// 加上"" 防止空格
String cutAdsl = "rasdial \"" + adslTitle + "\" /disconnect";
String result = exeCmd(cutAdsl);
if (result.indexOf("没有连接") != -1) {
System.err.println(adslTitle + "连接不存在!");
return false;
} else {
System.out.println("连接已断开");
return true;
}
}
/**
* 连接ADSL
*
* @param adslTitle
* @param adslName
* @param adslPass
* @param adslPhone
* @return
* @throws Exception
*/
public static boolean connAdsl(String adslTitle, String adslName,
String adslPass, String adslPhone) throws Exception {
// 加上"" 防止空格
String adslCmd = "rasdial \"" + adslTitle + "\" " + adslName + " "
+ adslPass + " /phone:" + adslPhone;
String tempCmd = exeCmd(adslCmd);
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;
}
}
/**
* @param args
*/
public static void main(String[] args) throws Exception {
// rasdial "宽带名" /disconnect
String adsl = "宽带名";
String username = "username";
String password = "password";
String phone = "#12345678";
cutAdsl(adsl);
Thread.sleep(4000);
// rasdial "宽带名" 用户名 密码 /phone:#123456789
connAdsl(adsl, username, password, phone);
}
}
